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AISI 4340 Steel 36CrNiMo4 1.6511 EN24 817M40 SNCM439

AISI 4340 (E4340) alloy steel is a medium carbon, low alloy steel known for its toughness and strength. Machining is done typically in the annealed condition. 4340 steel properties offer good ductility in the annealed condition, allowing it to be bent or formed. Fusion and resistance welding is also possible with our 4340 steel from stock.
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5140 Steel Plate 1.7035 41Cr4 SCr440 Alloy Steel

AISI 5140 Alloy steel, we can supply the round bar, steel flat bar, plate, hexagonal steel bar and steel square block. AISI 5140RH steel Round bar can be saw to your required lengths as one offs or multiple cut pieces. And AISI 5140 alloy steel Rectangular pieces can be saw from flat bar or plate to your specific sizes.
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AISI 4140 Alloy Steel

Structural steel material 4140 alloy tool steel 42CrMo grade tool steel 42CrMo steel is ultra-high-strength steel with high strength and toughness, good hardenability, no obvious temper brittleness, high fatigue limit, and multiple impact resistance after quenching and tempering, and good low-temperature impact toughness.
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