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| 不分等级,其化学成分和力学性能(σs,σb,δ和冷弯)均须保证。Xè\ÊÎîß1ìbbs.3c3t.com7µÇÝÈqü 对轧制薄板和盘条等产品,其力学性能的保证条件,可根据产品特点和使用要求,在有关标准中另行规定。Xè\ÊÎîß1ìbbs.3c3t.com7µÇÝÈqü
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Q255Xè\ÊÎîß1ìbbs.3c3t.com7µÇÝÈqü
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Q275Xè\ÊÎîß1ìbbs.3c3t.com7µÇÝÈqü
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