Stainless steel welded pipes as per ASTM A312/ASME SA312 and ASTM A358 with normal grades of austenitic stainless steel such as 304,304L,316, 316L, 321 and duplex stainless steel S31803 and S32205 as per ASTM A789 and ASTM A790
Application:
The stainless tubes are used extensively in the industries of Process, Chemical, Petrochemical, Pharmaceutical and food industries, they can also be used in certain pressure vessels.
Seamless Pipes Grade:
|
Corrosion Resistant Austenitic Stainless Steel Seamless Tube |
||||||
| ASTM | UNS | EN | DIN | JIS | GOST | GB |
| 304 | S30400 | X5CrNi18-10 | 1.4301 | SUS304 | — | 06Cr19Ni10 |
| 304L | S30403 | X2CrNi19-11 | 1.4307 | SUS304L | — | 022Cr19Ni10 |
| 316 | S31600 | X5CrNiMo17-12-2 | 1.4401 | SUS316 | — | 06Cr17Ni12Mo2 |
| 316L | S31603 | X2CrNiMo18-14-3 | 1.4404 | SUS316L | 03X17H14M3 | 022Cr17Ni12Mo2 |
| 321 | S32100 | X6CrNiTi18-10 | 1.4541 | SUS321 | — | 06Cr18Ni11Ti |
|
Heat Resistant Austenitic Stainless Steel Seamless Tube |
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| ASTM | UNS | EN | DIN | JIS | GOST | GB |
| S31803 | S31803 | — | 1.4462 | — | — | 022Cr22Ni5MoN |
| S32205 | S32205 | — | 1.4462 | — | — | 022Cr22Ni5MoN |
Seamless Tube Chemical Properties:
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo | N |
| TP304 | ≤ 0.08 | ≤ 1.00 | ≤ 2 | ≤ 0.045 | ≤ 0.030 | 8.0-11.0 | 18.0-20.0 | — | |
| TP304L | ≤ 0.035 | ≤ 1.00 | ≤ 2 | ≤ 0.045 | ≤ 0.030 | 8.0-13.0 | 18.0-20.0 | — | |
| TP321 | ≤ 0.080 | ≤ 1.00 | ≤ 2 | ≤ 0.045 | ≤ 0.030 | 9.0-12.0 | 17.0-19.0 | — | |
| TP316 | ≤ 0.080 | ≤ 1.00 | ≤ 2 | ≤ 0.045 | ≤ 0.030 | 10.0-14.0 | 16.0-18.0 | 2.00-3.00 | |
| TP316L | ≤ 0.035 | ≤ 1.00 | ≤ 2 | ≤ 0.045 | ≤ 0.030 | 10.0-14.0 | 16.0-18.0 | 2.00-3.00 | |
| S31803 | ≤ 0.030 | ≤ 1.00 | ≤ 2 | ≤ 0.030 | ≤ 0.020 | 4.5-6.5 | 21.0-23.0 | 2.5-3.5 | 0.08-0.20 |
| S32205 | ≤ 0.030 | ≤ 1.00 | ≤ 2 | ≤ 0.030 | ≤ 0.020 | 4.5-6.5 | 22.0-23.0 | 3.0-3.5 | 0.14-0.20 |
Size:
From 12mm to 813mm (NPS ¼” –DN8 to NPS 32” –DN800) Outside diameter with a full pipes schedules ranging from SCH5S through double extra heavy
Packing:
Beveled/Polishing /plastic caps/in bundles/steel strips/wooden box/
accordance with customer requirements.
