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技术标准:HS3404 HG/T 20634 HG/T 20613 JB/T 4707,ASTM A193/A193M ASTM A320/A320M ASTM A354 ASMT A453
材质:高温、低温用合金钢和不锈钢,40Cr,35CrMo,25CrMoVA,35CrMo,0Cr18Ni9,42CrMo
强度等级:Grade8.8,10.9,12.9,A2-70,A4-70,B5,B7,B7M,B8,B8M,B16,L7,L7M,BC,BD,660A,660B,651A,651B
规格:M12-M120,1/2"-5"
表面处理:发黑、镀锌、镀镉、达克罗、钝化、特氟龙
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