我要啦免费统计

ASTM A679

2020-04-08 09:14:22
     
Specification and Steel Grade : ASTM A679
Type : High-Carbon Steel
     
Main Chemical Compositions|(%) : C0.65~1.00,Mn0.20~1.30
     
Strength of Extension|σb/MPa : 1640~2410
Elasticity Modulus|E/GPa : 210
Torsional Property|σb Min(%) : 45
Rigidity Modulus|G/GPa : 80
Hardness|HRC : 41~60
Working Temperature|/℃ : 120
Features and Use : It is high strength steel wire, used for high quality spring
     
Remark:    
①, For helical compression  spring or tension spring, the distorting stress should be 75% of σb minimum.
②, It is the United States federal specification.
     
     


Special Steel, Tapping Machine, Cold Heading Machine Supplier in China-Copy Right By Hacer Technology