JIS H4657-2012 钛和钛合金.锻件

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JIS H 4657: 2012
(JTS/JSA)
JAPANESE
INDUSTRIAL
STANDARD
Translated and Published by
Japanese Standards Association
Titanium
and
titanium
alloys
-
Forgings
ICS
77.120.50;77.150.50
Reference
number:
JIS
H
4657:
2012 (E)
PROTECTED BY COPYRIGHT 7 S
H
4657
:
2012
Date
of
Establishment:
1991-12-01
Date
of
Revision: 2012-04-20
Date
of
Public
Notice
in
Official
Gazette:
2012-04-20
Investigated
by:
Japanese
Industrial
Standards
Committee
Standards
Board
©
J5A
2013
Technical
Committee
on
Non-Ferrous
Metals
JIS H 4657 : 2012, First
English
edition
published
in
2013-02
Translated
and
published
by:
Japanese
Standards
Association
4-1-24,
Akasaka,
Minato-ku,
Tokyo, 107-8440
JAPAN
In
the
event
of
any
doubts
arising
as
to
the
contents,
the original
JIS is
to
be
the
final
authority.
All
rights
reserved.
Unless
otherwise
specified,
no
part
of
this
publication
may
be
reproduced
or
utilized
in
any
form
or
by
any
means,
electronic
or
mechanical,
including
photocopying
and
microfilm,
without
permission
in
writing
from
the
publisher.
Printed
in
Japan
HN
PROTECTED BY COPYRIGHT
H
4657
:
2012
Contents
Page
1 Scope
......................................................
···········································1
2
Normative
references············································································
1
3
Classification,
dimensions
and
symbols
...................................................
1
4
Quality
......................................................
·········································3
4.1
Appearance·
........................................................................................
3
4.2
Chemical
composition···········································································
3
4.3
Mechanical
properties···········································································
5
5
Tests
......................................................
············································5
5.1
Chemical
analysis
.............................................
·································5
5.2
Tensile
test·························································································
6
6
Inspection
...........................................................................................
6
7
Marking
......................................................
·······································7
(i)
PROTECTED BY COPYRIGHT

标签： #合金 #锻件 #钛和钛合金

摘要：

本文档详细解读了JIS H4657-2012标准，该标准针对钛及钛合金锻件的材料分类、化学成分、力学性能、热处理工艺及检验方法进行了全面规定。作为日本工业标准（JIS）在钛合金锻件领域的最新规范，它替代了旧版标准，更适用于航空、化工、医疗及海洋工程等对材料强度与耐腐蚀性要求极高的领域。文档内容涵盖了纯钛及多种钛合金牌号在锻造状态下的性能指标，包括抗拉强度、屈服强度、延伸率及冲击韧性等关键参数，并明确了锻件表面质量、尺寸公差及无损检测要求。对于从事钛合金加工、采购及质量控制的工程师而言，掌握该标准

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