1070 Steel is a simple carbon steel with good toughness and shock resistance. It also has an easy heat treatment cycle and is a good starter steel. It is also known as CS70 spring steel.
C: 0.65 - 0.75%
Mn: 0.6-0.9%
P: 0.03%
S: 0.05%
Heat Treatment Information
Heat to 788 - 829 degrees centigrade
Oil Quench
Temper for 2 hours at 200 degrees centigrade for approx 59/60 HRc
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