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low carbon alloy steel 4340 steel hardness

Description: 4340 Steel | 36CrNiMo4 | 1.6511 | EN24 | SNCM439 Otai AISI 4340 steel is a medium carbon, low alloy steel known for its toughness and strength in relatively large sections. AISI 4340 is also one kind of nickel chromium molybdenum steels. 4340 alloy steel is generally supplied hardened and tempered in the tensile range of 930 – 1080 Mpa.A2 Tool Steel 183; 8620 | 1.6523 | Sncm220

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