GB/T 18984 — Seamless steel pipes for low temperature service
GB/T 18984 covers seamless steel pipes for low-temperature pressure piping, such as 16MnDG and 06Ni3MoDG — the Chinese counterpart of ASTM A333.
GB/T 18984 at a glance
| Standard | GB/T 18984 |
|---|---|
| Issued by | China (SAC) |
| Product form | Pipe |
| Grades on this site | 2 |
GB/T 18984 grades and their ASTM equivalents
| GB/T designation | Nearest ASTM / ASME grades | UNS | W.Nr |
|---|---|---|---|
| 16MnDG (GB/T 18984) | ASTM A333 Grade 6 | K03006 | 1.0453 |
| 06Ni3MoDG (GB/T 18984) | ASTM A420 WPL3, ASTM A333 Grade 3 | — | 1.5637 |
Equivalents are the nearest commonly cited grades. Chemistry, mechanical properties and testing differ between standards — compare them before substituting one for another.
FAQ
GB/T 18984: common questions
What is the ASTM equivalent of GB/T 18984 16MnDG?
The nearest ASTM grades are ASTM A333 Grade 6.
Does Teshi Group supply material to GB/T 18984?
Teshi Group manufactures flanges, fittings, fasteners and valves, and supplies pipes and plates, to ASTM / ASME specifications and to equivalent EN, JIS, GB and IS standards on request, with EN 10204 3.1 certificates. Send your requirement to info@teshigroup.com.
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