ASTM A878
2020-04-10 18:38:11
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Specification and Steel Grade |
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ASTM A878 |
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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 |
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Elasticity Modulus|E/GPa |
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— |
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Torsional Property|σb Min(%) |
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— |
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Rigidity Modulus|G/GPa |
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— |
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Hardness|HRC |
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— |
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Working Temperature|/℃ |
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— |
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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. |
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②, It is the United States federal specification. |
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ASTM A878
2020-04-10 18:38:11
|
|
|
|
|
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. |
|
|
|
|
|
|
|
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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
