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ASTM A230

2020-04-08 09:14:22
     
Specification and Steel Grade : ASTM A230
Type : High-Carbon Steel
     
Main Chemical Compositions|(%) : C0.60~0.75,Mn0.60~0.90
     
Strength of Extension|σb/MPa : 1480~1650
Elasticity Modulus|E/GPa : 210
Torsional Property|σb Min(%) : 45
Rigidity Modulus|G/GPa : 80
Hardness|HRC : 45~49
Working Temperature|/℃ : 120
Features and Use : The valve spring, need heat treatment before produce
     
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.
     
     


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