GB/T 12229 — Valves — carbon steel castings for general purposes
GB/T 12229 covers carbon and alloy steel castings for valves, with grades aligned to ASTM designations such as WCB, LCB, WC1, WC6, WC9, C5 and C12.
GB/T 12229 at a glance
| Standard | GB/T 12229 |
|---|---|
| Issued by | China (SAC) |
| Product form | Castings |
| Grades on this site | 8 |
GB/T 12229 grades and their ASTM equivalents
| GB/T designation | Nearest ASTM / ASME grades | UNS | W.Nr |
|---|---|---|---|
| WCB (GB/T 12229) / ZG240-450 | ASTM A216 WCB | J03002 | 1.0619 |
| LCB (GB/T 12229) / ZG240-450D | ASTM A352 LCB | J03003 | 1.1131 |
| LCC (GB/T 12229) | ASTM A352 LCC | J02505 | 1.6220 |
| WC1 (GB/T 12229) / ZG20Mo | ASTM A217 WC1 | J12524 | 1.5419 |
| WC6 (GB/T 12229) / ZG15Cr1Mo | ASTM A217 WC6 | J12072 | 1.7357 |
| WC9 (GB/T 12229) / ZG12Cr2Mo1 | ASTM A217 WC9 | J21890 | 1.7379 |
| C5 (GB/T 12229) / ZG16Cr5Mo | ASTM A217 C5 | J42045 | 1.7365 |
| C12 (GB/T 12229) | ASTM A217 C12 | J82090 | — |
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 12229: common questions
What is the ASTM equivalent of GB/T 12229 WCB?
The nearest ASTM grades are ASTM A216 WCB.
Does Teshi Group supply material to GB/T 12229?
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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