Specification:
| Product: |
Stainless Steel Pipes |
| Type: |
Seamless, Welded, ERW, 100% X Ray Welded
|
| Size OD (mm): |
6.00 to 610.00 |
| Thickness (mm): |
0.5mm to 30mm |
| Length (mm): |
6000, 3000, 2000, 12000, Custom Length
|
| Finish: |
Annealed & Pickled, 2B, No.4,
Mirror, Polish |
| Packing: |
Bundled Packing |
| Services: |
Cutting, Beveling, Threading, Polishing
|
| Outside Diameter |
6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB
available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Thickness Range |
0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH
XXS, SCH XS |
| Type |
Seamless / ERW / Welded / Fabricated / CDW |
| Form |
Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes,
Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| Length |
Single Random, Double Random & Required Length End: Plain End,
Beveled End, Treaded |
| End Protection |
Plastic Caps |
| Surface Finish: |
2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish
as per customer Requirements |
| Delivery Condition |
Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Inspection, Test Reports |
Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical
Reports, PMI Test Reports, Visual Inspection Reports, Third Party
Inspection Reports, NABL Approved Lab Reports, Destructive Test
Report, Non Destructive Test Reports |
| Packing |
Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as
per Customers Requests |
| Specials |
Sizes and Specifications other than above can be manufactured on
request |
Chemical Composition of Stainless Steel Pipes, as per ASTM A312 Manufacturing
Standard
The below table shows the chemical composition of the most used A312 Stainless
Steel Pipes:
| A312 GRADES |
UNS |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mo |
Ti |
Nb |
N |
| TP304 |
S30400 |
0.08 |
2 |
0.045 |
0.03 |
1 |
18.0-20.0 |
8.0-11.0 |
|
|
|
|
| TP304L |
S30403 |
0.035 |
2 |
0.045 |
0.03 |
1 |
18.0-20.0 |
8.0-13.0 |
|
|
|
|
| TP304H |
S30409 |
0.04-0.10 |
2 |
0.045 |
0.03 |
1 |
18.0-20.0 |
8.0-11.0 |
|
|
|
|
| TP304N |
S30451 |
0.08 |
2 |
0.045 |
0.03 |
1 |
18.0-20.0 |
8.0-18.0 |
|
|
|
0.10-0.16 |
| TP304LN |
S30453 |
0.035 |
2 |
0.045 |
0.03 |
1 |
18.0-20.0 |
8.0-12.0 |
|
|
|
0.10-0.16 |
| TP309S |
S30908 |
0.08 |
2 |
0.045 |
0.03 |
1 |
22.0-24.0 |
12.0-15.0 |
0.75 |
|
|
|
| TP309H |
S30909 |
0.04-0.10 |
2 |
0.045 |
0.03 |
1 |
22.0-24.0 |
12.0-15.0 |
|
|
|
|
| TP309Cb |
S30940 |
0.08 |
2 |
0.045 |
0.03 |
1 |
22.0-24.0 |
12.0-16.0 |
0.75 |
|
10xC min |
|
| 1.10 max |
| TP309HCb |
S30941 |
0.04-0.10 |
2 |
0.045 |
0.03 |
1 |
22.0-24.0 |
12.0-16.0 |
0.75 |
|
10xC min |
|
| 1.10 max |
| TP310S |
S3108 |
0.08 |
2 |
0.045 |
0.03 |
1 |
24.0-26.0 |
19.0-22.0 |
0.75 |
|
|
|
| TP310H |
S3109 |
0.04-0.10 |
2 |
0.045 |
0.03 |
1 |
24.0-26.0 |
19.0-22.0 |
|
|
|
|
| TP310Cb |
S31040 |
0.08 |
2 |
0.045 |
0.03 |
1 |
24.0-26.0 |
19.0-22.0 |
0.75 |
|
10xC min |
|
| 1.10 max |
| TP310HCb |
S31041 |
0.04-0.10 |
2 |
0.045 |
0.03 |
1 |
24.0-26.0 |
19.0-22.0 |
0.75 |
|
10xC min |
|
| 1.10 max |
| TP316 |
S3160 |
0.08 |
2 |
0.045 |
0.03 |
1 |
16.0-18.0 |
11.0-14.0 |
2.0-3.0 |
|
|
|
| TP316L |
S31603 |
0.035 |
2 |
0.045 |
0.03 |
1 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 |
|
|
|
| TP316H |
S31609 |
0.04-0.10 |
2 |
0.045 |
0.03 |
1 |
16.0-18.0 |
11.0-14.0 |
2.0-3.0 |
|
|
|
| TP316Ti |
S31635 |
0.08 |
2 |
0.045 |
0.03 |
0.75 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 |
5x |
|
0.1 |
| (C-N) |
| -0.7 |
| TP316N |
S31651 |
0.08 |
2 |
0.045 |
0.03 |
1 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 |
|
|
0.10-0.16 |
| TP316LN |
S31653 |
0.035 |
2 |
0.045 |
0.03 |
1 |
16.0-18.0 |
11.0-14.0 |
2.0-3.0 |
|
|
0.10-0.16 |
| TP317 |
S3170 |
0.08 |
2 |
0.045 |
0.03 |
1 |
18.0-20.0 |
10.0-14.0 |
3.0-4.0 |
|
|
|
| TP317L |
S31703 |
0.035 |
2 |
0.045 |
0.03 |
1 |
18.0-20.0 |
11.0-15.0 |
3.0-4.0 |
|
|
|
| TP321 |
S3210 |
0.08 |
2 |
0.045 |
0.03 |
1 |
17.0-19.0 |
9.0-12.0 |
|
|
|
0.1 |
| TP321H |
S32109 |
0.04-0.10 |
2 |
0.045 |
0.03 |
1 |
17.0-19.0 |
9.0-12.0 |
|
|
|
0.1 |
| TP347 |
S3470 |
0.08 |
2 |
0.045 |
0.03 |
1 |
17.0-19.0 |
9.0-13.0 |
|
|
|
|
| TP347H |
S34709 |
0.04-0.10 |
2 |
0.045 |
0.03 |
1 |
17.0-19.0 |
9.0-13.0 |
|
|
|
|
| TP347LN |
S34751 |
0.05-0.02 |
2 |
0.045 |
0.03 |
1 |
17.0-19.0 |
9.0-13.0 |
|
|
0.20- |
0.06-0.10 |
| 50 |
| TP348 |
S3480 |
0.08 |
2 |
0.045 |
0.03 |
1 |
17.0-19.0 |
9.0-13.0 |
|
|
|
|
| TP348H |
S34809 |
0.04-0.10 |
2 |
0.045 |
0.03 |
1 |
17.0-19.0 |
9.0-13.0 |
|
|
|
|
| ASTM A312 Mechanical Properties |
| Material |
Heat |
Temperure |
Tensile Strength |
Yield Strength |
Elongation %, Min |
| Treatment |
Min. |
Ksi (MPa), Min. |
Ksi (MPa), Min. |
|
º F(º C) |
|
|
| TP304 |
Solution |
1900 (1040) |
75(515) |
30(205) |
35 |
| TP304L |
Solution |
1900 (1040) |
70(485) |
25(170) |
35 |
| TP304H |
Solution |
1900 (1040) |
75(515) |
30(205) |
35 |
| TP310S |
Solution |
1900 (1040) |
75(515) |
30(205) |
35 |
| TP316 |
Solution |
1900(1040) |
75(515) |
30(205) |
35 |
| TP316L |
Solution |
1900(1040) |
70(485) |
25(170) |
35 |
| TP316H |
Solution |
1900(1040) |
75(515) |
30(205) |
35 |
| TP316Ti |
Solution |
1900(1040) |
75(515) |
30(205) |
35 |
| TP321 |
Solution |
1900(1040) |
75(515) |
30(205) |
35 |
| TP321H |
Solution |
Cold: 2000(1100) |
75(515) |
30(205) |
35 |
| Hot: 1925(1050) |
| TP347 |
Solution |
1900(1040) |
75(515) |
30(205) |
35 |
| TP347H |
Solution |
Cold: 2000(1100) |
75(515) |
30(205) |
|
| Hot: 1925(1050) |
|
Dimensions of Welded and Seamless Stainless Steel Pipe
| NPS |
Outside Diameter |
Nominal Wall Thickness |
| Designator |
in. |
mm |
Schedule 5S |
Schedule 10S |
Schedule 40S |
Schedule 80S |
|
in. |
mm |
in. |
mm |
in. |
mm |
in. |
mm |
| 1/8 |
0.41 |
10.29 |
… |
… |
0.049 |
1.24 |
0.068 |
1.73 |
0.095 |
2.41 |
| 1/4 |
0.54 |
13.72 |
… |
… |
0.065 |
1.65 |
0.088 |
2.24 |
0.119 |
3.02 |
| 3/8 |
0.68 |
17.15 |
… |
… |
0.065 |
1.65 |
0.091 |
2.31 |
0.126 |
3.2 |
| 1/2 |
0.84 |
21.34 |
0.065 |
1.65 |
0.083 |
2.11 |
0.109 |
2.77 |
0.147 |
3.73 |
| 3/4 |
4.05 |
26.67 |
0.065 |
1.65 |
0.083 |
2.11 |
0.113 |
2.87 |
0.154 |
3.91 |
| 1 |
1.32 |
33.4 |
0.065 |
1.65 |
0.109 |
2.77 |
0.133 |
3.38 |
0.179 |
4.55 |
| 1 1/4 |
1.66 |
42.16 |
0.065 |
1.65 |
0.109 |
2.77 |
0.14 |
3.56 |
0.191 |
4.85 |
| 1 1/2 |
1.90 |
48.26 |
0.065 |
1.65 |
0.109 |
2.77 |
0.145 |
3.68 |
0.2 |
5.08 |
| 2 |
2.38 |
60.33 |
0.065 |
1.65 |
0.109 |
2.77 |
0.154 |
3.91 |
0.218 |
5.54 |
| 2 1/2 |
2.88 |
73.03 |
0.083 |
2.11 |
0.12 |
3.05 |
0.203 |
5.16 |
0.276 |
7.01 |
| 3 |
3.50 |
88.9 |
0.083 |
2.11 |
0.12 |
3.05 |
0.1216 |
5.49 |
0.3 |
7.62 |
| 3 1/2 |
4.00 |
101.6 |
0.083 |
2.11 |
0.12 |
3.05 |
0.226 |
5.74 |
0.318 |
8.08 |
| 4 |
4.50 |
114.3 |
0.083 |
2.11 |
0.12 |
3.05 |
0.237 |
6.02 |
0.337 |
8.56 |
| 5 |
5.56 |
141.3 |
0.10*9 |
2.77 |
0.134 |
3.4 |
0.258 |
6.55 |
0.375 |
9.52 |
| 6 |
6.63 |
168.28 |
0.10*9 |
2.77 |
0.134 |
3.4 |
0.28 |
7.11 |
0.432 |
10.97 |
| 8 |
8.63 |
219.08 |
0.109 |
2.77 |
0.148 |
3.76 |
0.322 |
8.18 |
0.5 |
12.7 |
| 10 |
10.75 |
273.05 |
0.134 |
3.4 |
0.165 |
4.19 |
0.365 |
9.27 |
0.5 |
12.7 |
| 12 |
12.75 |
323.85 |
0.156 |
3.96 |
0.18 |
4.57 |
0.375 |
9.52 |
0.5 |
12.7 |
| 14 |
14.00 |
355.6 |
0.156 |
3.96 |
0.188 |
4.78 |
… |
… |
… |
… |
| 16 |
16.00 |
406.4 |
0.165 |
4.19 |
0.188 |
4.78 |
… |
… |
… |
… |
| 18 |
18.00 |
457.2 |
0.165 |
4.19 |
0.188 |
4.78 |
… |
… |
… |
… |
| 20 |
20.00 |
508 |
0.188 |
4.78 |
0.188 |
4.78 |
… |
… |
… |
… |
| 22 |
22.00 |
558.8 |
0.188 |
4.78 |
0.218 |
5.54 |
… |
… |
… |
… |
| 24 |
24.00 |
609.6 |
0.218 |
5.54 |
0.25 |
6.35 |
… |
… |
… |
… |
| 30 |
30.00 |
762 |
0.25 |
6.35 |
0.312 |
7.92 |
… |
… |
… |
… |
Outside Diameter Tolerance of Stainless Steel Pipes
| NPS |
ASTM A312 OD Tolerance |
| + |
– |
| inch |
mm |
inch |
mm |
| 1/8~1 1 /2 |
1/64(0.015) |
0.4 |
1/32(0.031) |
0.8 |
| > 1 1 /2~4 |
1/32(0.031) |
0.8 |
1/32(0.031) |
0.8 |
| > 4~8 |
1/16(0.062) |
1.6 |
1/32(0.031) |
0.8 |
| > 8~18 |
3/32(0.093) |
2.4 |
1/32(0.031) |
0.8 |
| > 18~26 |
1/8(0.125) |
3.2 |
1/32(0.031) |
0.8 |
| > 26~34 |
5/32(0.156) |
4 |
1/32(0.031) |
0.8 |
| > 34~48 |
3/16(0.187) |
4.8 |
1/32(0.031) |
0.8 |
Wall Thickness Tolerance of Stainless Steel Pipes
| NPS |
ASTM A312 WT Tolerance, % |
| + |
– |
| 1/8-2 1 /2 |
20 |
12.5 |
| 3~18, t/D≤ 5% |
22.5 |
12.5 |
| 3~18, t/D> 5% |
15 |
12.5 |
| ≥ 20, welded |
17.5 |
12.5 |
| ≥ 20, seamless, t/D≤ 5% |
22.5 |
12.5 |
| ≥ 20, seamless, t/D> 5% |
15 |
12.5 |
