S-1 is a medium-carbon steel which combines moderate hardness with good impact toughness. It is a deep-hardening, oil-hardening steel designed for shock and impact loading applications.
S-1 is a medium-carbon steel which combines moderate hardness with good impact toughness. It is a deep-hardening, oil-hardening steel designed for shock and impact loading applications.
| C | CO | CR | MN | MO | NI | P | S | SI | V | W |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.40 – 0.55 | 1.00 – 1.80 | 0.10 – 0.40 | 0.50 Max. | 0.03 Max. | 0.03 Max. | 0.15 – 1.20 | 0.15 – 0.30 | 1.50 – 3.00 |
AFNOR 55 WC 20-France
DIN 1.2550-Germany
UNI 58 WCr 9 KU-Italy
ASTM A681-US
FED QQ-T-570-US
SAE J438-US
UNS T41901-US
AISI S1 Tool Steel-US