美标和国标拉伸试验参数符号对比

2022-12-26 01:06:19   文档大全网     [ 字体: ] [ 阅读: ]

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美标,拉伸,国标,符号,对比
符号对比

抗拉强度tensile strength 上屈服强度upper yield strength 下屈服强度lower yield strength

规定塑性延伸强度

规定总延伸强度 断后伸长率

断面收缩率





ASTM E6

国标GB/T 228.1、国际ISO 6892-1、日标JIS Z2241

Rm ReH ReL Rp(0.2)

(proof strength, plastic

extension) Rt(0.5)

(proof strength, total

extension) AA11.3A50mm

(percentage elongation after

fracture)

Z

(percentage reduction of

area)

美标ASTM E8/E8MASTM A370

Su UYS LYS

YS(0.2% offset) or Sy(0.2% offset) (Specified offset yield strength) YS(0.5% EUL) or Sy(0.5% EUL) (Specified extension under load

yield strength)

elongation after fracture

reduction of area









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