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ASTM A227

2020-04-08 09:06:23
     
Specification and Steel Grade : ASTM A227
Type : High-Carbon Steel
     
Main Chemical Compositions|(%) : C0.45~0.85,Mn0.30~1.30
     
Strength of Extension|σb/MPa : I grade:1010~1950,II grade:1180~2230
Elasticity Modulus|E/GPa : 210
Torsional Property|σb Min(%) : 40
Rigidity Modulus|G/GPa : 80
Hardness|HRC : 31~52
Working Temperature|/℃ : 120
Features and Use : Used for medium stress and lower cost of 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.
     
     


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