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G48二相鋼の孔食検出とは何ですか?

2016-12-27View Original

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二相鋼の原材料は、G48 孔食についてテストする必要があります。溶接加工の資格は必要ですか?
Reply #22016-12-28
溶接施工資格には何が必要ですか?。。別途お求めください。。。親素材ではありません。。
Reply #32016-12-29
二相鋼材の孔食試験の他に、応力腐食、粒界腐食などがあります。溶接評価が必要かどうかは、技術協定の具体的な要件によって異なります。

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