GB/T 12230 — Valves — austenitic steel castings for general purposes
GB/T 12230 covers austenitic stainless steel castings for valves, such as CF8, CF8M and CF3M — comparable to ASTM A351.
GB/T 12230 at a glance
| Standard | GB/T 12230 |
|---|---|
| Issued by | China (SAC) |
| Product form | Castings |
| Grades on this site | 3 |
GB/T 12230 grades and their ASTM equivalents
| GB/T designation | Nearest ASTM / ASME grades | UNS | W.Nr |
|---|---|---|---|
| CF8 / ZG08Cr18Ni9 (GB/T 12230) | ASTM A351 CF8 | J92600 | 1.4308 |
| CF8M / ZG08Cr18Ni12Mo2 (GB/T 12230) | ASTM A351 CF8M | J92900 | 1.4408 |
| CF3M / ZG03Cr18Ni12Mo2 (GB/T 12230) | ASTM A351 CF3M | J92800 | 1.4409 |
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 12230: common questions
What is the ASTM equivalent of GB/T 12230 CF8 / ZG08Cr18Ni9?
The nearest ASTM grades are ASTM A351 CF8.
Does Teshi Group supply material to GB/T 12230?
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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