A839
A839 (Standard Specification for Iron-Phosphorus Powder Metallurgy Parts for Soft Magnetic Applications)· ASTM (美国) · 2 种材料
| 名称 | 材料组别 | |
|---|---|---|
| A 839 Type I | 结构钢 | chevron_right |
| A 839 Type II | 结构钢 | chevron_right |
A839 (Standard Specification for Iron-Phosphorus Powder Metallurgy Parts for Soft Magnetic Applications)· ASTM (美国) · 2 种材料
| 名称 | 材料组别 | |
|---|---|---|
| A 839 Type I | 结构钢 | chevron_right |
| A 839 Type II | 结构钢 | chevron_right |