This standard prescribes the designation, chemical composition, product analysis variation, mechanical property and sampling location for mechanical property of constructional steel used for forging.

 
  • 本標準規定了鍛件用結構鋼牌號、化學(xué)成分、成品化學(xué)成分偏差、力學(xué)性能及力學(xué)性能取樣位置等。
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