ASTM A878
2020-04-09 18:33:44
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Specification and Steel Grade |
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ASTM A878 |
Type |
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Alloy Steel |
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Main Chemical Compositions|(%) |
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C0.60~0.75,Cr0.35~0.60,V0.10~0.25 |
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Strength of Extension|σb/MPa |
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1410~2000 |
Elasticity Modulus|E/GPa |
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— |
Torsional Property|σb Min(%) |
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— |
Rigidity Modulus|G/GPa |
: |
— |
Hardness|HRC |
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— |
Working Temperature|/℃ |
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— |
Features and Use |
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Improve the CrV steel, used in high temperature working spring and valve spring |
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Remark: |
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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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ASTM A878
2020-04-09 18:33:44
|
|
|
Specification and Steel Grade |
: |
ASTM A878 |
Type |
: |
Alloy Steel |
|
|
|
Main Chemical Compositions|(%) |
: |
C0.60~0.75,Cr0.35~0.60,V0.10~0.25 |
|
|
|
Strength of Extension|σb/MPa |
: |
1410~2000 |
Elasticity Modulus|E/GPa |
: |
— |
Torsional Property|σb Min(%) |
: |
— |
Rigidity Modulus|G/GPa |
: |
— |
Hardness|HRC |
: |
— |
Working Temperature|/℃ |
: |
— |
Features and Use |
: |
Improve the CrV steel, used in high temperature working spring and valve 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
Special Steel, Tapping Machine, Cold Heading Machine Supplier in China-Copy Right By Hacer Technology