Alloy Steel
Engineering alloy steels for shafts, gears, couplings, tooling and heavy machined components. Supplied in the as-rolled, annealed or quenched and tempered condition with full mill certification.
2 grades stocked3 forms availableFull mill certification
Grades in this family
AISI 4140 / 42CrMo4
AISI 4140EN 42CrMo4 / 1.7225
The benchmark chromium-molybdenum through-hardening engineering steel. Excellent combination of strength, toughness and machinability in the quenched and tempered condition.
3 forms available
AISI 4340 / 34CrNiMo6
AISI 4340EN 34CrNiMo6 / 1.6582
Nickel-chromium-molybdenum steel with very high hardenability and toughness in heavy sections, chosen for the most highly stressed machined components.
2 forms available
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