S-1 Shock Resisting Tool Steel
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.
|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
UNI 58 WCr 9 KU-Italy
AISI S1 Tool Steel-US