Table of Contents

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Materials
6 Manufacturing method
7 Chemical composition
8 Performance
9 Shape and dimensions
10 Appearance
11 Tests
12 Inspection
13 Designation of products
14 Marking
15 Report
Annex JA (normative) - Special quality
requirements
Annex JB (normative) - Pipe fittings of
special shapes
Bibliography

Abstract

This Japanese Industrial Standard specifies the steel and nickel-chromium ferro-alloy seamless pipe fittings to be fitted by butt-welding, mainly to pressure service pipings, high pressure service pipings, high temperature service pipings, alloy steel pipings, stainless steel pipings, low temperature service pipings and steel pipes for fired heaters.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Japanese Standards Association
Pages
ISBN
Supersedes	JIS B 2312:2009