ISO 18741-2026 船舶与海洋技术 高锰奥氏体钢 低温用高锰奥氏体钢锻件规范

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Carl 2026-05-06 18 262.95KB 20 页 28星币
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Ship and marine technology —
High-manganese austenitic steel —
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
cryogenic temperature
International
Standard
ISO 18741
First edition
2026-02
Reference number
ISO 18741:2026(en) © ISO 2026
ii
ISO 18741:2026(en)
© ISO 2026 – All rights reserved
COPYRIGHT PROTECTED DOCUMENT
© ISO 2026
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www.iso.org
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ISO 18741:2026(en)
Foreword ....................................................................................................................................................................................................................................................iv
Introduction .............................................................................................................................................................................................................................................v
1 Scope ............................................................................................................................................................................................................................................. 1
  ................................................................................................................................................................................................. 1
  ................................................................................................................................................................................................ 1
4 Abbreviated terms ......................................................................................................................................................................................................... 3
  ............................................................................................................................................... 3
  ..........................................................................................................................................................3
  ....................................................................................................................................................................................3
6 Material designation .................................................................................................................................................................................................... 4
  ......................................................................................................................................................................................................................... 4
  ..........................................................................................................................................................................................................
  ........................................................................................................................................................................................................................
8 Chemical composition ................................................................................................................................................................................................ 4
9 Heat treatment ................................................................................................................................................................................................................... 5
10 Mechanical properties ............................................................................................................................................................................................... 6
  ...............................................................................................................................................................6
  .................................................................................................................................................................................................6
  ..................................................................................................................................................................................
  .....................................................................................................................................................................................................
  ....................................................................................................................................................................................
  ....................................................................................................................................................................................
  ...................................................................................................................................................................................................................
11 Inspection ................................................................................................................................................................................................................................ 8
  ...................................................................................................................................................................................
  ...............................................................................................................................................................................................
  ....................................................................................................................................................................
 .....................................................................................................................................................................................
  ..........................................................................................................................................................................................
12 Repairs ..................................................................................................................................................................................................................................... 10
13 Dimension ............................................................................................................................................................................................................................ 10
14 Traceability, handling and packing .......................................................................................................................................................... 10
15 Documentation ............................................................................................................................................................................................................... 10
Bibliography .........................................................................................................................................................................................................................................12
iii
© ISO 2026 – All rights reserved
Contents 

标签： #ISO #奥氏体 #钢

摘要：

ISO 18741-2026《船舶与海洋技术 高锰奥氏体钢 低温用高锰奥氏体钢锻件规范》是国际标准化组织最新发布的一项关键行业标准，专门针对船舶与海洋工程领域在极寒环境下使用的材料性能进行了严格规定。该标准聚焦于高锰奥氏体钢锻件，这类材料因其优异的低温韧性、高强度和良好的焊接性能，成为替代传统镍系钢的重要候选材料，尤其适用于液化天然气（LNG）储罐、海上平台及极地船舶等极端工况。标准详细规定了锻件的化学成分、力学性能、热处理工艺及无损检测要求，旨在确保材料在-196°C甚至更低温度下的可靠性与耐

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作者：Carl 分类：国际标准 价格：28星币 属性：20 页 大小：262.95KB 格式：PDF 时间：2026-05-06

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