JIS G3205 — Steel forgings for low temperature pressure vessels
JIS G3205 covers carbon and nickel steel forgings for low-temperature pressure vessels, designated SFL (SFL1, SFL2, SFL3) — the Japanese counterpart of ASTM A350.
JIS G3205 at a glance
| Standard | JIS G3205 |
|---|---|
| Issued by | Japanese Industrial Standards |
| Product form | Forgings |
| Grades on this site | 2 |
JIS G3205 grades and their ASTM equivalents
| JIS designation | Nearest ASTM / ASME grades | UNS | W.Nr |
|---|---|---|---|
| SFL2 (JIS G3205) | ASTM A350 LF2 Cl.1 | K03011 | 1.0478 / 1.0566 |
| SFL3 (JIS G3205) | ASTM A350 LF3 Cl.1 | K32025 | 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
JIS G3205: common questions
What is the ASTM equivalent of JIS G3205 SFL2?
The nearest ASTM grades are ASTM A350 LF2 Cl.1.
Does Teshi Group supply material to JIS G3205?
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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