JIS B2312 — Steel butt-welding pipe fittings
JIS B2312 covers butt-weld fittings in carbon, alloy and stainless steel for pressure service (e.g. PT370, PA23, SUS304, SUS316L), comparable to ASTM A234 and A403.
JIS B2312 at a glance
| Standard | JIS B2312 |
|---|---|
| Issued by | Japanese Industrial Standards |
| Product form | Butt-weld fittings |
| Grades on this site | 1 |
JIS B2312 grades and their ASTM equivalents
| JIS designation | Nearest ASTM / ASME grades | UNS | W.Nr |
|---|---|---|---|
| PG370 (JIS B2311) / PT370 (JIS B2312) | ASTM A234 WPB | K03006 | 1.0345 / 1.0425 |
Equivalents are the nearest commonly cited grades. Chemistry, mechanical properties and testing differ between standards — compare them before substituting one for another.
FAQ
JIS B2312: common questions
What is the ASTM equivalent of JIS B2312 PG370?
The nearest ASTM grades are ASTM A234 WPB.
Does Teshi Group supply material to JIS B2312?
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.
Other butt-weld fittings standards
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