ASTM资源列表
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[国外标准] ASTM A423/A423M-95(2004) Standard Specification for Seamless and Electric-Welded Low-Alloy Steel Tub
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[国外标准] ASTM A421/A421M-05 Standard Specification for Uncoated Stress-Relieved Steel Wire for Prestressed Co
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[国外标准] ASTM A418/A418M-05 Standard Test Method for Ultrasonic Examination of Turbine and Generator Steel Ro
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[国外标准] ASTM A417-93(2004) Standard Specification for Steel Wire, Cold-Drawn, for Zig-Zag, Square-Formed, an