S7 Product Guide

Applications | Specifications | Mechanical and Chemical Data | Tolerances

Overview

An oil or air hardened tool steel that exhibits excellent high impact toughness and strength. Typically used in shear blades, dies, chisels, and punches.

Common Trade Names

UNS T41907, AISI Type S7, Shock-Resisting Steel, Super-7

Other Resources

Weight Calculator | Mill Test Reports

Products

S7 Drill Rod | S7 Rectangle Bar

Specifications

ASTMA \|	SAEJ
681	437

Applications

Blades
Tooling

	Density
Mechanical Information
Imperial	0.283 lb/in3
Metric	7.83 g/cc

	Modulus of Elasticity
Mechanical Information
Imperial	30,000 ksi
Metric	207 GPa

Hardness Brinell
Mechanical Information
187 - 220

Chemistry Information
Element	Percentage
Fe	93.85
C	0.5
Cr	3.25
Mo	1.4
Mn	0.75
Si	0.25

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