SP-19 · AJS ENGINEERING REFERENCE
KS/JIS stainless steel butt-weld fittings selection guide
Stainless steel butt-weld fittings (elbows, tees, reducers and caps) manufactured to KS B 1543 and JIS B 2311, B 2312 and B 2313.
Product function
Stainless steel butt-weld fittings (elbows, tees, reducers and caps) manufactured to KS B 1543 and JIS B 2311, B 2312 and B 2313.
Selection criteria
Materials: STS304, 304L, 316 and 316L (KS) / SUS304, 304L, 316 and 316L (JIS).
Sizes DN15 to DN750; tables are grouped by Sch.10S, 20S and 40S.
Approvals stated in the specification sheet: KS, JIS, KR type approval, DNV and ISO. Confirm the valid scope for each item from the relevant certificate.
Information for quotation
Provide the shape (long/short radius elbow, tee, concentric/eccentric reducer, cap), nominal size, wall thickness (schedule), material and quantity.
Specify the dimensional standard (KS/JIS or ASME). The same nominal size can have different outside diameters and dimensions under each standard.
State any material documentation (for example mill test reports) required at the time of the quotation request.
Continue to the product & specification
Butt-weld fittings ↗Downloads 1
Edited AJS review briefs and reviewed public documents. Check the source and scope of each file. Check covered models, issue dates and validity before using certificates, test reports or installation instructions.
- KS/JIS stainless steel butt-weld fittings selection guideHTML · 4 KB · AJS bilingual review brief
Source, revision & language
Retrieved: 2026-10-27 · Document revision: see original
AJS · Review guide ↗
This edited purchasing and design review brief includes Korean and English.