• The welding procedure of main pressure parts , its bulk heat treatment and checking point are detailed.

    详细介绍了主要受压焊接工艺、整体消除焊接应力热处理技术以及关键的检验控制点

    youdao

  • This paper mainly presents that constructional mid-carbon alloy steel, after bulk moulding deformation, heat treatment and cold surface deformation can raise fatigue strength of materials effectively.

    本文主要介绍合金结构钢整体塑性变形热处理后再进行表面变形工艺是提高材料疲劳强度有效途径

    youdao

  • This paper mainly presents that constructional mid-carbon alloy steel, after bulk moulding deformation, heat treatment and cold surface deformation can raise fatigue strength of materials effectively.

    本文主要介绍合金结构钢整体塑性变形热处理后再进行表面变形工艺是提高材料疲劳强度有效途径

    youdao

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