JIS G5121 — Corrosion-resistant cast steels for general applications
JIS G5121 covers stainless steel castings designated SCS (SCS13A, SCS14A, SCS16A and others) — comparable to ASTM A351.
JIS G5121 at a glance
| Standard | JIS G5121 |
|---|---|
| Issued by | Japanese Industrial Standards |
| Product form | Castings |
| Grades on this site | 4 |
JIS G5121 grades and their ASTM equivalents
| JIS designation | Nearest ASTM / ASME grades | UNS | W.Nr |
|---|---|---|---|
| SCS13A (JIS G5121) | ASTM A351 CF8 | J92600 | 1.4308 |
| SCS14A (JIS G5121) | ASTM A351 CF8M | J92900 | 1.4408 |
| SCS16A (JIS G5121) | ASTM A351 CF3M | J92800 | 1.4409 |
| SCS10 (approx.) | ASTM A995 Grade 4A (CD3MN) | J92205 | 1.4470 |
Equivalents are the nearest commonly cited grades. Chemistry, mechanical properties and testing differ between standards — compare them before substituting one for another.
FAQ
JIS G5121: common questions
What is the ASTM equivalent of JIS G5121 SCS13A?
The nearest ASTM grades are ASTM A351 CF8.
Does Teshi Group supply material to JIS G5121?
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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