special alloys background

Pipes

Choose semi-finished

Seamless pipes

Seamless tubes
ASTM STEEL UNS WNR
ASTM A312 317LMN S31726 1.4439
ASTM A312 309 S30900 1.4828
ASTM A312 309s S30908 1.4833
ASTM A312 310 S31000 1.4841
ASTM A312 310s S31008 1.4845
ASTM A312 904L N08904 1.4539
ASTM A312 321H S32109 1.4878
ASTM A312 316H
ASTM A312 347H S34700 1.4550
ASTM B789 DUPLEX S32205 1.4462
ASTM B789 SUPERDUPLEX S32750 1.4410
ASTM B789 SUPERDUPLEX S32760 1.4501
ASTM A312 SMO254 S31254 1.4547
B163 ALLOY 200 N02200 2.4066
B163 ALLOY 201 N02201 2.4068
B163 ALLOY 400 N04400 2.4360
B167 ALLOY 600 N06600 2.4816
B167 ALLOY 601 N06601 2.4851
B444 ALLOY 625 N06625 2.4856
B163 ALLOY 800 N08800 1.4876
B163 ALLOY 800H N08810 1.4958
B163 ALLOY 800HT N08811 1.4959
B423 ALLOY 825 N08825 2.4858
B622 ALLOY C276 N10276 2.4819
B729 ALLOY 20 N08020 2.4660
Seamless tubes

Standard size according ASME B36.19, ASME B36.10

Nominal Pipe Size Outside diameter Wall thickness
SCH 5S SCH 10S SCH STD (40S) SCH XS
(80S)		 SCH 160S SCH XXS
1/4″ 13.72 – 1.65 2.24 3.02 – –
3/8″ 17.15 – 1.65 2.31 3.20 – –
1/2″ 21.34 1.65 2.11 2.77 3.73 4.75 7.47
 3/4″ 26.67 1.65 2.11 2.87 3.91 5.54 7.82
1″ 33.40 1.65 2.77 3.38 4.55 6.35 9.09
1 1/4“ 42.16 1.65 2.77 3.56 4.85 6.35 9.70
1 1/2“ 48.26 1.65 2.77 3.68 5.08 7.14 10.16
2″ 60.33 1.65 2.77 3.91 5.54 8.71 11.07
2 1/2“ 73.03 2.11 3.05 5.16 7.01 9.53 14.02
3″ 88.90 2.11 3.05 5.49 7.62 11.13 15.24
3 1/2“ 101.60 2.11 3.05 5.74 8.08 – 16.15
4″ 114.30 2.11 3.05 6.02 8.56 13.49 17.12
5″ 141.30 2.77 3.40 6.55 9.53 15.88 19.05
6″ 168.28 2.77 3.40 7.11 10.97 18.24 21.95
8″ 219.08 2.77 3.76 8.18 12.70 23.01 22.23
10″ 273.05 3.40 4.19 9.27 12.70 28.58 25.40
12″ 323.85 3.96 4.57 9.53 12.70 33.32 25.40
14″ 355.6 3.96 4.78 9.53 12.70 35.71 –
16″ 406.4 4.19 4.78 9.53 12.70 40.46 –
18″ 457.2 4.19 4.78 9.53 12.70 45.24 –
20″ 508.0 4.78 5.54 9.53 12.70 49.99 –
22″ 558.8 4.78 5.54 9.53 12.70 53.97 –
24″ 609.6 5.54 6.35 9.53 12.70 59.51 –
Seamless tubes

We can also provide from stock or on construction of seamless pipes, cold drawn and annealed, in the following degrees and sizes:

904L/NO8904 – 6MO/S31254 – UNS NO8028
UNS S31803 – UNS S32750 – UNS S32760
400 – 600 – 625 – 825 – C276

5.00 mm x 0.50 mm
5.00 mm x 1.00 mm
6.00 mm x 0.50 mm
6.00 mm x 1.00 mm
8.00 mm x 1.00 mm
8.00 mm x 1.50 mm
10.00 mm x 1.00 mm
10.00 mm x 1.50 mm
10.00 mm x 2.00 mm
12.00 mm x 1.00 mm
12.00 mm x 1.50 mm
12.00 mm x 2.00 mm
14.00 mm x 2.00 mm
15.00 mm x 1.50 mm
18.00 mm x 2.00 mm
20.00 mm x 2.00 mm
22.00 mm x 1.00 mm
22.00 mm x 2.00 mm
24.00 mm x 2.00 mm
24.00 mm x 4.00 mm
25.00 mm x 2.00 mm
30.00 mm x 2.50 mm
36.00 mm x 3.00 mm
40.00 mm x 2.50 mm
50.00 mm x 2.50 mm