BLESS OILFIELD SERVICES, INC. - Salzgitter
BLESS OILFIELD SERVICES, INC. - Salzgitter
BLESS OILFIELD SERVICES, INC. - Salzgitter
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ESTIMATED HARDNESS VALUES FOR OIL FIELD TUBULAR GOODS (cont.)<br />
HARDNESS<br />
GRADE YIELD STRENGTH TENSILE BRINELL ROCKWELL<br />
CASING<br />
H40<br />
J55<br />
K55<br />
C75<br />
N80<br />
XS Soo 95<br />
Spec S95<br />
P110<br />
Soo125<br />
V150<br />
40 to 60,000<br />
55 to 80,000<br />
55 to 80,000<br />
75 to 90,000<br />
80 to 110,000<br />
*92-95 to 110,000<br />
75 to 95,000<br />
110 to 40,000<br />
125 to 150,000<br />
150 to 180,000<br />
60,000<br />
75,000<br />
95,000<br />
95,000<br />
95,000<br />
110,000<br />
95,000<br />
125,000<br />
135,000<br />
160,000<br />
70-87B<br />
84-100B<br />
15-24C<br />
15-26C<br />
18-31C<br />
22-30C<br />
14-22C<br />
24-34C<br />
30-38C<br />
36-43C<br />
23<br />
Notes<br />
THREAD TYPE MARKINGS<br />
PRODUCT<br />
Casing<br />
THREAD TYPE<br />
Short round<br />
Long round<br />
Buttress<br />
Extreme-line<br />
MARKED SYMBOL<br />
STC<br />
LC<br />
BC<br />
XC<br />
THREAD TYPE MARKINGS (cont.)<br />
PRODUCT<br />
Tubing<br />
THREAD TYPE<br />
Non-upset<br />
External upset<br />
Integral joint<br />
MARKED SYMBOL<br />
NU<br />
EU<br />
IJ
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