LONG PRODUCT (BAR)
Applications | Specifications | Mechanical and Chemical Data | Tolerances
An oil or air hardened tool steel that exhibits excellent high impact toughness and strength. Typically used in shear blades, dies, chisels, and punches.
UNS T41907, AISI Type S7, Shock-Resisting Steel, Super-7
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S7 Drill Rod | S7 Rectangle Bar
As Shipped: Rockwell 90-97B
After Heat Treating: Rockwell 55-57C
Air or Oil
S7 is good for general tooling and molding applications. It possesses high toughness and shock resistance.
While S7 is very tough compared to other tool steels, it doesn't have hardness comparable to the other tool steels.