API RP 934-A-2025 高温高压氢用2 1_4Cr-1Mo、2 1_4Cr-1Mo-1_4V、3Cr-1Mo和3Cr-1Mo-1_4Vv钢制厚壁压力容器的材料和制造

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Materials and Fabrication of 2¼Cr-1Mo,

2¼Cr-1Mo-¼V, 3Cr-1Mo, and 3Cr-1Mo-

¼V Steel Heavy-wall Pressure Vessels

for High-temperature, High-pressure

Hydrogen Service

API RECOMMENDED PRACTICE 934-A

FOURTH EDITION, JANUARY 2025

Special Notes

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These publications are not intended to obviate the need for applying sound engineering judgment regarding when and

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iii

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标签： #压力容器 #钢 #高压

摘要：

本规范文档标题为《API RP 934-A-2025 高温高压氢用2 1/4Cr-1Mo、2 1/4Cr-1Mo-1/4V、3Cr-1Mo和3Cr-1Mo-1/4V钢制厚壁压力容器的材料和制造》，旨在为石油化工、炼油及煤化工等高温高压临氢工况下使用的厚壁压力容器提供详细的材料选择与制造技术要求。文档涵盖四种常用铬钼钢及铬钼钒钢牌号，包括2 1/4Cr-1Mo、2 1/4Cr-1Mo-1/4V、3Cr-1Mo及3Cr-1Mo-1/4V，重点规定了材料的化学成分、力学性能、热处理工艺、焊接工艺评定、

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