Table of Contents

Introduction
1 Scope
2 Normative references
3 Classification and symbol
4 Manufacturing method
5 Chemical composition
6 Mechanical properties
7 Hydraulic characteristic or non-destructive
characteristic
8 Dimensions, mass and dimensional tolerances
9 Appearance
10 Tests
11 Inspection and reinspection
12 Marking
13 Report
Annex JA (normative) - Special quality requirements
Annex JB (normative) - U-bend tube
Annex JC (informative) - Comparison table between JIS
and corresponding International Standards

Abstract

Describes the alloy steel tubes, (referred to as the "tubes"), used for exchanging heat on the inside and outside of the tube, such as water tubes, smoke tubes, superheater tubes, air preheater tubes etc., of boilers and heat exchanger tubes, condenser tubes, catalyser tubes, etc., used in chemical and petroleum industries.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Japanese Standards Association
ProductNote	Supersedes JIS G7220 & JIS G7224. (01/2014)
Pages
ISBN
Supersedes	JIS G 3462:2009 JIS G 7220:2003 JIS G 7224:2003