It is a oil hardening steel.
As Rolled
It is used in the manufacturing of shafts.
| Internal Standard | BS | DIN | IS | EN | AISI/SAE |
| 31Cr4 | - | - | - | - | - |
| C | MN | SI | S | P | Cr | Ni | Mo | V | B |
| 0.28-0.35 | 0.60-0.90 | 0.15-0.35 | .035 Max | .035 Max | 0.90-1.20 | - | - | - | - |
220-250 BHN
Spread over 2 verticals, the group produces economical and class-leading mild, alloy and carbon steel, hex, round, square, wire rods, ingots and billets with the most modern integrated steel manufacturing facility.
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