Test Item | Common Standard |
Tensile strength, yield strength, elongation at break, percentage reduction of section | GB/T 228.1,ISO 6892,ASTM E8,JIS Z 2241 |
Bending test | GB/T 232,ISO 7438,ASTM E290 |
Compression performance | GB/T 7314,ISO 4506,ASTM E290 |
Flattening | GB/T 246,ISO 8492 |
Hardness test | GB/T 231,ASTM E18,GB/T 4340.1,ISO 6507,ASTM E384,ASTM E10 |
Metallographic analysis | Microstructure, decarburization layer, grain size, inclusions, etc. |
Fastener performance | GB/T 3098 |