OSTP – Outokumpu Stainless Tubular Products

Process Pipes
Standard stock program
The tables below reflect the standard OSTP stock program only, other dimensions and grades are available against special
production according to our manufacturing range and capabilities.
Please refer enquiries to mill customer service contacts for review and quotation.
Metric Tru-Bore ® - NHT (design pressures shown in brackets)
Welded tubes, pickled.
In 6 m random lengths, PE (Plain Ends).
OD ≤ 512 mm manufactured and inspected according to EN 10217-7 TC1, weld factor z = 1.0.
OD > 512 mm manufactured and inspected according to EN 10296-2, weld factor z = 0.7.
Tolerances in accordance with EN ISO 1127 (OD ≤ 168.3 mm = D3/T3 and OD > 168.3 mm = D2/T3).
Stock standard dimensions and grades in the table below are marked with design pressures.
The design pressures are calculated in bar according to: EN 13480, EN 10217-7 or EN 10296-2, T = 20 °C, actual weld factor z.
Metric NHT
Welded Tubes and Pipes
OD Wall Weight Std Pks
mm z mm kg/m 4307 4571 4404 4432 m
28.0 1.0 1.5 1.00 X (159) X (165) 306
35.0 1.0 1.5 1.26 X (126) X (131) 306
43.0 1.0 1.5 1.56 X (102) X (106) 222
44.5 1.0 2 2.13 X (132) X (138) 222
53.0 1.0 1.5 1.93 X (82) X (85) 222
54.0 1.0 2 2.60 X (108) X (113) 222
68.0 1.0 1.5 2.50 X (63) X (66) 174
69.0 1.0 2 3.36 X (85) X (89) 174
70.0 1.0 2 3.41 X (83) X (86)
83.0 1.0 1.5 3.06 X (54) X (56) X (56) 114
84.0 1.0 2 4.11 X (72) X (77) X (75) X (75) 114
103.0 1.0 1.5 3.81 X (43) X (45) X (45) 114
104.0 1.0 2 5.11 X (57) X (61) X (60) X (60) 114
106.0 1.0 3 7.74 X (87) X (91) X (91) 114
128.0 1.0 1.5 4.75 X (34) X (36) X (36) 96
129.0 1.0 2 6.36 X (46) X (49) X (48) X (48) 96
153.0 1.0 1.5 5.69 X (28) X (30) X (30) 126
154.0 1.0 2 7.61 X (38) X (40) X (40) X (40) 126
156.0 1.0 3 11.5 X (57) X (61) X (60) X (60) 84
203.0 1.0 1.5 7.57 X (21) X (22) 90
204.0 1.0 2 10.1 X (28) X (30) X (30) X (30) 90
205.0 1.0 2.5 12.7 X (36) X (38) X (37) X (37) 90
206.0 1.0 3 15.3 X (43) X (45) X (45) 60
254.0 1.0 2 12.6 X (23) X (24) X (24) X (24) 72
255.0 1.0 2.5 15.8 X (28) X (30) X (30) X (30) 48
256.0 1.0 3 19.0 X (34) X (36) X (36) 48
304.0 1.0 2 15.1 X (19) X (20) X (20) X (20) 54
305.0 1.0 2.5 18.9 X (24) X (25) X (25) 54
306.0 1.0 3 22.8 X (28) X (30) X (30) X (30) 36
355.0 1.0 2.5 22.0 X (20) X (21) X (21) 36
356.0 1.0 3 26.5 X (24) X (26) X (25) X (25) 36
406.0 1.0 3 30.3 X (21) X (23) X (22) X (22) 24
408.0 1.0 4 40.5 X (28) X (30) 24
456.0 1.0 3 34.0 X (19) X (20) X (20) 12
458.0 1.0 4 45.5 X (26) 12
506.0 1.0 3 37.8 X (17) X (18) X (18) 12
508.0 1.0 4 50.5 X (23) X (24) X (24) 12
606.0 0.7 3 45.3 X (10) X (10) X (10) 12
608.0 0.7 4 60.5 X (13) X (14) X (14) 12
708.0 0.7 4 70.5 X (11) X (12) 6
808.0 0.7 4 80.5 X (10) X (10) 6
X = Stock standard.
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