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AISI 4140/ JIS SCM440/ DIN 42CrMo4 COLD DRAWN STEEL ROUND BAR

AISI 4140/ JIS SCM440/ DIN 42CrMo4 COLD DRAWN STEEL ROUND BAR

Country/Region china
Company salesflatbar company
Categories Cold Drawn Steel Bar
Update 2017-05-26 18:56:36
ICP License Issued by the Chinese Ministry
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AISI 4140/ JIS SCM440/ DIN 42CrMo4 COLD DRAWN STEEL ROUND BAR

4140/ SCM440/ 42CrMo4(1.7225) alloy steel bar is a medium carbon, chromium-molybdenum, through-hardening alloy steel that has a good hardenability with high strength and toughness as well as good fatigue and impact resistance after heat treating.

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AISI 4140/ JIS SCM440/ DIN 42CrMo4 COLD DRAWN STEEL ROUND BAR

4140/ SCM440/ 42CrMo4(1.7225) alloy steel bar is a medium carbon, chromium-molybdenum, through-hardening alloy steel that has a good hardenability with high strength and toughness as well as good fatigue and impact resistance after heat treating.

Similar Grades

StandardGradeChemical composition (%)
CSiMnCrMoPS
GB42CrMo0.38-0.450.17-0.370.50-0.800.90-1.200.15-0.25≤0.035≤0.035
AISI41400.38-0.430.15-0.350.75-1.000.80-1.100.15-0.25≤0.035≤0.040
JISSCM4400.38-0.430.15-0.350.60-0.900.90-1.200.15-0.30≤0.030≤0.030
DIN42CrMo4/ 1.72250.38-0.45≤0.400.60-0.900.90-1.200.15-0.30≤0.025≤0.035

Available Size

Cold drawn round bar: dia4mm-dia100mm

Available Heat Treatment

Annealing/Normalizing/Hardening/Tempering/Quenching

Hot working temperature1050-850

Annealing temperature680-720

Normalizing temperature840-880

Quenching temperature820-850 water, 830-860 oil

Tempering temperature540-680

Characteristics

good overall combinations of strength, toughness, wear resistance and fatigue strength.

Application

Typical applications for 4140 HR bar are sprockets, bolts, chain pins, drill collars, universal joints, highly stressed parts or parts subject to severe wear.

Delivery Condition

Cold drawn

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