Standard |
1.6582/DIN 34CrNiMo6/AISI 4340 |
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Size Mm |
Round Bar:dia 20-500mm Flat Bar:thickness:20-28 width:80-300 thickness:30-40 width:80-450 thickness:50-300 width:80-610 |
Description |
Characterised by high strength and toughness in relatively large sections. Pre hardened and tempered 4340 can be further surface hardened by flame or induction hardening and by nitriding. 4340 is used in most industry sectors for applications requiring higher tensile/yield strength than 4140 can provide. Typical applications are: Heavy Duty Shafts, Gears, Axles, Spindles, Couplings, Pins etc |
Chemical Composition |
C: 0.38-0.43%; Si:0.15-0.35 ; Mn: 0.6-0.8%; Cr:0.7-0.9 %; Ni:1.65-2.0% Mo:0.2-0.3 %; P,S:Max0.04% |