Calculation of Burst Yield and Collapse Yield for Round ... - Tenaris
Calculation of Burst Yield and Collapse Yield for Round ... - Tenaris
Calculation of Burst Yield and Collapse Yield for Round ... - Tenaris
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<strong>Calculation</strong> <strong>of</strong> <strong>Burst</strong> <strong>Yield</strong><br />
<strong>and</strong> <strong>Collapse</strong> <strong>Yield</strong> <strong>for</strong> <strong>Round</strong> Tubing<br />
<strong>Burst</strong> <strong>Yield</strong> We assume no external pressure <strong>for</strong> the calculation <strong>of</strong> burst yield. If we denote axial stress<br />
as s a, hoop stress s h <strong>and</strong> radial stress sr, then from thick-walled analytical results:<br />
www.tenaris.com<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
Where p i is the internal pressure, F is the tension <strong>for</strong>ce (weight here), ID is the tubing inner<br />
diameter <strong>and</strong> OD is the outer diameter. Substituting (1) - (3) into the following Von Mises<br />
criterion<br />
we get:<br />
F<br />
Where B = (OD 2 + ID 2) / (OD 2- ID 2), S y is the yield strength. We should ignore the negative<br />
sign in (5) because it is physically insignificant. So, from the positive root, we can get the<br />
burst yield equation.<br />
1<br />
2(B2 p burst<br />
i =<br />
+ B + 1)<br />
σ a =<br />
σ h =<br />
π<br />
4<br />
(OD 2 -ID 2)<br />
(OD 2 +ID 2)<br />
(OD 2 - ID 2)<br />
(σ a - σ h ) 2 + (σ h - σ r ) 2 + (σ r - σ a ) 2 = 2S y 2<br />
1<br />
p i<br />
σ r = p i<br />
pi = (σ a = (B - 1)+ σ 2<br />
a (B - 1) 2 + 4(B2 + B +1)(S 2<br />
y - σ 2)) a<br />
2(B 2 + B + 1)<br />
(σ a = (B - 1)+<br />
Coiled Tubes<br />
σ a 2 (B - 1) 2 + 4(B 2 + B +1)(S y 2 - σ a 2))<br />
Figure 1 shows the burst yield <strong>for</strong> a tubing with OD = 2.375", WT = 0.175" (using its minimum<br />
value <strong>of</strong> 0.167") <strong>and</strong> 70,000 psi yield strength.<br />
(1)<br />
(2)<br />
(3)<br />
(4)<br />
(5)<br />
(6)
<strong>Calculation</strong> <strong>of</strong> <strong>Burst</strong> <strong>Yield</strong> <strong>and</strong> <strong>Collapse</strong> <strong>Yield</strong> <strong>for</strong> <strong>Round</strong> Tubing<br />
<strong>Collapse</strong> <strong>Yield</strong> We assume no internal pressure. Denote the external pressure as p 0. The axial stress is the<br />
same as that given by (1). The radial pressure at the inner surface is zero.<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> Curve<br />
To make the whole curve<br />
look better, we take the<br />
physically insignificant root<br />
from the burst result<br />
(equation 5) to add a third<br />
curve to figure 1.<br />
www.tenaris.com<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
From analytical calculations, we get hoop stress<br />
<strong>Burst</strong> & <strong>Collapse</strong> Graph<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
0 5000<br />
Figure 1. <strong>Burst</strong> yield <strong>and</strong> collapse yield curve.<br />
σ h = -2p o<br />
Substituting (1), (7) <strong>and</strong> (8) into (4), we get<br />
p o =<br />
where C = 2 OD 2/(OD2- ID2). The negative sign is physically insignificant. The positive root is<br />
the collapse yield solution. Because conventionally collapse pressure is negative, we add a<br />
negative sign be<strong>for</strong>e the positive root. So,<br />
p o collapse =<br />
-σ a<br />
σ r = 0<br />
-σ a<br />
the collapse curve based on (10) is shown in Figure 1.<br />
<strong>Burst</strong> <strong>Yield</strong><br />
OD 2<br />
OD 2 -ID 2<br />
+ 4S 2<br />
y - 3σa2 (9)<br />
2C<br />
+<br />
4S y 2 - 3σ a2<br />
2C<br />
Physically insignificant burst<br />
10000<br />
<strong>Collapse</strong> <strong>Yield</strong><br />
15000<br />
20000<br />
LOAD (lbs)<br />
(7)<br />
(8)<br />
(10)
Pressure capacity curves<br />
www.tenaris.com<br />
1.000" HS-70<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.080" 0.087" 0.095"<br />
0.102" 0.109"<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
1.25" HS-70<br />
0 5000 10000 15000 20000<br />
25000<br />
LOAD (lbs)<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> 0.080" yield calculated using the 0.087" minimum wall thickness 0.095"<br />
0.102" 0.109" 0.116"<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
0.125" 0.134" 0.145"<br />
0.156" 0.175"<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
0 10000 20000 30000 40000 50000<br />
LOAD (lbs)<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness <strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.
www.tenaris.com<br />
1.50" HS-70<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.095" 0.102" 0.109"<br />
0.116" 0.125" 0.134"<br />
0.145" 0.156" 0.175"<br />
0.190" 0.204"<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
1.75" HS-70<br />
0 10000 20000 30000 40000 50000 60000 70000<br />
LOAD (lbs)<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> 0.095" yield calculated using the 0.102" minimum wall thickness 0.109"<br />
0.116" 0.125" 0.134"<br />
<strong>for</strong> the nominal wall<br />
0.145"<br />
thickness shown <strong>and</strong><br />
0.156"<br />
70,000 psi yield strength.<br />
0.175"<br />
0.190" 0.204"<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
0 20000 40000 60000<br />
80000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
2.00" HS-70<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.109" 0.116" 0.125"<br />
0.134" 0.145" 0.156"<br />
0.175"<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
2.375" HS-70<br />
0.190" 0.204"<br />
0 20000 40000 60000<br />
80000<br />
100000<br />
LOAD (lbs)<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> 0.125" yield calculated using the 0.134" minimum wall thickness 0.145"<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
0.204"<br />
0.156" 0.175" 0.190"<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
0 20000 40000 60000 80000 100000 120000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
2.625" HS-70<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
0.175"<br />
15000<br />
10000<br />
5000<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
2.875" HS-70<br />
0.190" 0.204"<br />
0 20000 40000 60000 80000 100000 120000<br />
LOAD (lbs)<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> 0.134" yield calculated using the 0.145" minimum wall thickness 0.156"<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
0.224"<br />
0.175" 0.190" 0.204"<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
0 20000 40000 60000 80000 100000 120000 140000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
3.5" HS-70<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.175" 0.190" 0.204"<br />
0.225" 0.250"<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
4.5" HS-70<br />
0 50000 100000<br />
150000<br />
200000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> 0.204" yield calculated using the 0.224" minimum wall thickness 0.250"<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
LOAD (lbs)<br />
0 50000 100000<br />
150000<br />
200000<br />
250000<br />
LOAD (lbs)
www.tenaris.com<br />
1.000" HS-80<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.080" 0.087" 0.095"<br />
0.102" 0.109"<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
1.25" HS-80<br />
0 5000 10000 15000 20000 25000 30000<br />
LOAD (lbs)<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> 0.080" yield calculated using the 0.087" minimum wall thickness 0.095"<br />
0.102" 0.109" 0.116"<br />
<strong>for</strong> the nominal wall<br />
0.125"<br />
thickness shown <strong>and</strong><br />
0.134"<br />
70,000 psi yield strength.<br />
0.145"<br />
0.156" 0.175"<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
25000<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
-25000<br />
0 10000 20000 30000 40000 50000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 80,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
1.50" HS-80<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.095" 0.102" 0.109"<br />
0.116" 0.125" 0.134"<br />
0.145" 0.156" 0.175"<br />
0.190" 0.204"<br />
25000<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
-25000<br />
1.75" HS-80<br />
0 10000 20000 30000 40000 50000 60000 70000 80000<br />
LOAD (lbs)<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> 0.095" yield calculated using the 0.102" minimum wall thickness 0.109"<br />
0.116" 0.125" 0.134"<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
0.145" 0.156" 0.175"<br />
0.190" 0.204"<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
0 20000 40000 60000 80000<br />
100000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 80,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
2.00" HS-80<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.109" 0.116" 0.125"<br />
0.134" 0.145" 0.156"<br />
0.175"<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
2.375" HS-80<br />
0.190" 0.204"<br />
0 20000 40000 60000 80000<br />
100000<br />
LOAD (lbs)<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
0.125" 0.134" 0.145"<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
0.204"<br />
0.156" 0.175" 0.190"<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
0 20000 40000 60000 80000 100000 120000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 80,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
2.625" HS-80<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
0.175"<br />
15000<br />
10000<br />
5000<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
2.875" HS-80<br />
0.190" 0.204"<br />
0 20000 40000 60000 80000 100000 120000 140000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
0.156" 0.175" 0.190"<br />
0.204" 0.224"<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 80,000 psi yield strength.<br />
LOAD (lbs)<br />
0 20000 40000 60000 80000 100000 120000 140000 160000<br />
LOAD (lbs)
www.tenaris.com<br />
3.5" HS-80<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.175" 0.190" 0.204"<br />
0.225" 0.250"<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
4.5" HS-80<br />
0 50000 100000 150000 200000<br />
250000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
0.204"<br />
0.224" 0.250"<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 80,000 psi yield strength.<br />
LOAD (lbs)<br />
0 50000 100000 150000 200000 250000 300000<br />
LOAD (lbs)
www.tenaris.com<br />
1.000" HS-90<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.080" 0.087" 0.095"<br />
0.102" 0.109"<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
1.25" HS-90<br />
0 5000 10000 15000 20000 25000 30000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
LOAD (lbs)<br />
0.080" 0.087" 0.095"<br />
0.102" 0.109" 0.116"<br />
0.125" 0.134" 0.145"<br />
0.156" 0.175"<br />
25000<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
-25000<br />
0 10000 20000 30000 40000 50000 60000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 90,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
1.50" HS-90<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.095" 0.102" 0.109"<br />
0.116" 0.125" 0.134"<br />
0.145" 0.156" 0.175"<br />
0.190" 0.204"<br />
25000<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
-25000<br />
1.75" HS-90<br />
0 10000 20000 30000 40000 50000 60000 70000 80000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
LOAD (lbs)<br />
0.095" 0.102" 0.109"<br />
0.116" 0.125" 0.134"<br />
0.145" 0.156" 0.175"<br />
0.190" 0.204"<br />
25000<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
-25000<br />
0 20000 40000 60000<br />
80000<br />
100000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 90,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
2.00" HS-90<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.109" 0.116" 0.125"<br />
0.134" 0.145" 0.156"<br />
0.175"<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
2.375" HS-90<br />
0.190" 0.204"<br />
0 20000 40000 60000 80000 100000 120000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
LOAD (lbs)<br />
0.109" 0.116" 0.125"<br />
0.134" 0.145" 0.156"<br />
0.175"<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
0 20000 40000 60000 80000 100000 120000 140000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 90,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
2.625" HS-90<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
0.175"<br />
15000<br />
10000<br />
5000<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
2.875" HS-90<br />
0.190" 0.204"<br />
0 20000 40000 60000 80000 100000 120000 140000 160000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
LOAD (lbs)<br />
0.134" 0.145" 0.156"<br />
0.175" 0.190" 0.204"<br />
0.224"<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
0 20000 40000 60000 80000 100000 120000 140000 160000 180000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 90,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
3.5" HS-90<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.175" 0.190" 0.204"<br />
0.225" 0.250"<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
4.5" HS-90<br />
0 50000 100000 150000 200000<br />
250000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
0.204"<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
0.224" 0.250"<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 90,000 psi yield strength.<br />
LOAD (lbs)<br />
0 50000 100000 150000 200000 250000 300000 350000<br />
LOAD (lbs)
www.tenaris.com<br />
1.25" HS-110<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.102" 0.125" 0.134"<br />
0.145" 0.156" 0.175"<br />
30000<br />
20000<br />
10000<br />
0<br />
-10000<br />
-20000<br />
-30000<br />
1.50" HS-110<br />
0 10000 20000 30000 40000 50000 60000 70000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
LOAD (lbs)<br />
0.125" 0.134" 0.145"<br />
0.156" 0.175" 0.190"<br />
0.204"<br />
30000<br />
20000<br />
10000<br />
0<br />
-10000<br />
-20000<br />
-30000<br />
0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 110,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
1.75" HS-110<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.125" 0.134" 0.145"<br />
0.156" 0.175" 0.190"<br />
0.204"<br />
30000<br />
20000<br />
10000<br />
0<br />
-10000<br />
-20000<br />
-30000<br />
2.00" HS-110<br />
0 20000 40000 60000 80000 100000 120000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
LOAD (lbs)<br />
0.125" 0.134" 0.145"<br />
0.156" 0.175" 0.190"<br />
0.204"<br />
20000<br />
10000<br />
0<br />
-10000<br />
-20000<br />
0 20000 40000 60000 80000 100000 120000 140000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 110,000 psi yield strength.<br />
LOAD (lbs)
www.tenaris.com<br />
2.375" HS-110<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.125" 0.134" 0.145"<br />
0.156" 0.175" 0.190"<br />
0.204"<br />
25000<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
-25000<br />
2.625" HS-110<br />
0 20000 40000 60000 80000 100000 120000 140000 160000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
0.125"<br />
25000<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
-25000<br />
0.134" 0.145"<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 110,000 psi yield strength.<br />
LOAD (lbs)<br />
0 20000 40000 60000 80000 100000 120000 140000 160000 180000<br />
LOAD (lbs)
www.tenaris.com<br />
2.875" HS-110<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0.134" 0.145" 0.156"<br />
0.175" 0.190" 0.204"<br />
20000<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
-20000<br />
3.5" HS-110<br />
0 25000 50000 75000 100000 125000 150000 175000 200000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
0.175" 0.190" 0.204"<br />
0.225" 0.250"<br />
15000<br />
10000<br />
5000<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 110,000 psi yield strength.<br />
LOAD (lbs)<br />
0 50000 100000 150000 200000 250000 300000 350000 400000<br />
LOAD (lbs)
www.tenaris.com<br />
4.5" HS-110<br />
BURST YIELD (psi)<br />
COLLAPSE YIELD (psi)<br />
0.175"<br />
15000<br />
10000<br />
5000<br />
January 2007. ©<strong>Tenaris</strong>. All rights reserved<br />
0<br />
-5000<br />
-10000<br />
-15000<br />
0.204" 0.225"<br />
0 50000 100000 150000 200000 250000 300000 350000 400000<br />
<strong>Burst</strong> <strong>and</strong> <strong>Collapse</strong> yield calculated using the minimum wall thickness<br />
<strong>for</strong> the nominal wall thickness shown <strong>and</strong> 70,000 psi yield strength.<br />
LOAD (lbs)
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