JIS G5151 — Steel castings for high temperature and high pressure service
JIS G5151 covers carbon and alloy steel castings for high-temperature, high-pressure service, designated SCPH (SCPH2, SCPH11, SCPH21, SCPH32, SCPH61) — the Japanese counterpart of ASTM A216 and A217.
JIS G5151 at a glance
| Standard | JIS G5151 |
|---|---|
| Issued by | Japanese Industrial Standards |
| Product form | Castings |
| Grades on this site | 5 |
JIS G5151 grades and their ASTM equivalents
| JIS designation | Nearest ASTM / ASME grades | UNS | W.Nr |
|---|---|---|---|
| SCPH2 (JIS G5151) | ASTM A216 WCB | J03002 | 1.0619 |
| SCPH11 (JIS G5151) | ASTM A217 WC1 | J12524 | 1.5419 |
| SCPH21 (JIS G5151) | ASTM A217 WC6 | J12072 | 1.7357 |
| SCPH32 (JIS G5151) | ASTM A217 WC9 | J21890 | 1.7379 |
| SCPH61 (JIS G5151) | ASTM A217 C5 | J42045 | 1.7365 |
Equivalents are the nearest commonly cited grades. Chemistry, mechanical properties and testing differ between standards — compare them before substituting one for another.
FAQ
JIS G5151: common questions
What is the ASTM equivalent of JIS G5151 SCPH2?
The nearest ASTM grades are ASTM A216 WCB.
Does Teshi Group supply material to JIS G5151?
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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