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International Standard Category: Mechanical testing of metals

GB/T 5027-1999    Metallic materials-Sheet and strip--Determination of plastic strain ratio( r-values)
金属薄板和薄带塑性应变比(r 值)试验方法 ;
Category No.:77.040.10 Valid Status:superseded
Issued Organization:CSBTS Issued Date:1999-01-01
Implemented Date:2000-8-1 Abolished Date:
Superseded Standard.:GB/T 5027-2007 Metallic materials—Sheet and strip—Determination of plastic strain ratio
Superseded Date:2008-3-1
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