A291/A291M
A291/A291M (Standard Specification for Steel Forgings, Carbon and Alloy, for Pinions, Gears and Shafts for Reduction Gears)· ASTM (United States) · 10 materials
| Designation | Material group | |
|---|---|---|
| A 291 Grade 1 Class A | Structural and constructional steels | chevron_right |
| A 291 Grade 2 Class B | Structural and constructional steels | chevron_right |
| A 291 Grade 3 Class C | Structural and constructional steels | chevron_right |
| A 291 Grade 3A Class D | Structural and constructional steels | chevron_right |
| A 291 Grade 4 Class E | Structural and constructional steels | chevron_right |
| A 291 Grade 5 Class F | Structural and constructional steels | chevron_right |
| A 291 Grade 6 Class G | Structural and constructional steels | chevron_right |
| A 291 Grade 7 Class H | Structural and constructional steels | chevron_right |
| A 291 Grade 8 Class I | Structural and constructional steels | chevron_right |
| A 291 Grade 9 Class J | Structural and constructional steels | chevron_right |