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International Standard Category: Mechanical testing of metals

GB/T 18449.1-2001    Metallic knoop hardness test--Part 1:Test method
金属努氏硬度试验 第1部分:试验方法 ;
Category No.:77.040.10 Valid Status:superseded
Issued Organization:General Administration of Quality Supervision, Inspection and Quarantine of PRC Issued Date:2001-09-01
Implemented Date:2002-2-1 Abolished Date:
Superseded Standard.:GB/T 18449.1-2009 Metallic materials—Knoop hardness test—Part 1:Test method
Superseded Date:2010-4-1
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