Table of Contents

1 Scope
2 Normative references
3 Classification and symbols
4 Manufacturing method
5 Chemical composition
6 Mechanical properties
7 Austenitic grain size
8 Hydrostatic test characteristics and
nondestructive test characteristics
9 Dimensions and dimensional tolerances
10 Appearance
11 Supplementary quality requirements
12 U-bend tubes
13 Tests
14 Inspection and reinspection
15 Marking
16 Report
Annex A (normative) - Supplementary quality
requirements
Annex B (normative) - U-bend tubes

Abstract

Describes seamless nickel-chromium-iron alloy tubes (hereafter referred to as tubes) to be used, for example for heat exchangers or condensers in chemical and petroleum industries, and steam generators in nuclear industry, where the tube is designed for exchanging heat between inside and outside of its body.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Japanese Standards Association
Pages
ISBN
Supersedes	JIS G 4904:2008