□ Specifications:
Outer Diameter (OD) Φ219 ~ Φ720mm, Wall Thickness (WT) 6 ~ 90mm
□ Steel Grades:
TP304/304L, TP316/316L, TP347/347H, 2205, 2507
□ Standards:
GB/T14976 — Seamless stainless steel pipes for fluid transport
GB/T21833.2 — Austenitic-ferritic (duplex) stainless steel seamless pipes Part 2: Pipes for fluid transport
GB/T38810 — GB/T38810 Seamless stainless steel pipes for liquefied natural gas
ASTM A269 — ASTM A269 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
ASTM A312 — ASTM A312 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
| Standard Standard |
GB Grade |
UNS Grade |
JIS Grade |
EN Grade |
| Austenitic Stainless Steel | 06Cr19Ni10 | TP304 | SUS304 | X5CrNi18-10 1.4301 |
| 022Cr19Ni10 | TP304L | SUS304L | X2CrNi19-11 1.4306 | |
| 07Cr19Ni10 | TP304H | SUS304H | X6CrNi18-10 1.4948 | |
| 10Cr18Ni9NbCu3N | - | - | - | |
| 06Cr25Ni20 | TP310S | SUS310S | X6CrNi25-20 1.4951 | |
| 07Cr25Ni21NbN | TP310HCbN | - | - | |
| 6Cx17Ni12Mo2 | TP316 | SUS316 | X5CrNiMo17-12-2 1.4401 | |
| 022Cr17Ni12Mo2 | TP316L | SUS316L | X2CrNiMo17-12-2 1.4404 | |
| 07Cr17Ni12Mo2 | TP316H | - | X3CrNiMo17-13-3 1.4436 | |
| 06Cr17Ni12Mo2Ti | TP316Ti | SUS316Ti | X6CrNiMo17-12-2 1.4571 | |
| 06Cr18Ni11Ti | TP321 | SUS321 | X6CrNiTi18-10 1.4541 | |
| 07Cr19Ni11Ti | TP321H | SUS321H | - | |
| 06Cr18Ni11Nb | TP347 | SUS347 | X6CrNiNb18-10 1.4550 | |
| 07Cr18Ni11Nb | TP347H | SUS347H | X7CrNiNb18-10 1.4912 | |
| 08Cr18Ni11NbFG | TP347HFG | - | - |
Note: Other specifications of pipes are also available upon negotiation.











