AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment vs SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability
评级对比
强度
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment
6/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability
5/10
耐腐蚀性
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment
3/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability
3/10
轻量化
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment
5/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability
5/10
可加工性
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment
6/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability
6/10
成本效率
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment
9/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability
9/10
耐热性
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment
7/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability
7/10
性能对比
| Property | AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment | SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability |
|---|---|---|
| 基体金属 | Steel | Steel |
| 抗拉强度 | 633.0 MPa | — |
| 屈服强度 | 357.0 MPa | — |
| 伸长率 | 26.3 % | — |
| 硬度（布氏） | 183.0 HB | — |
| 弹性模量 | — | — |
| 密度 | — | — |
| 熔点 | — | — |
| 热导率 | — | — |
| 可焊接 | — | — |
| 可热处理 | — | — |
| 磁性 | — | — |