Steel SKT4 Alloy Steel Round Bar Special Steel

Loading Port:China main port

Payment Terms:TT OR LC

Min Order Qty:25 m.t.

Supply Capability:10000 m.t./month

Product Description:

Chemical Composition%

CountryStandardCSiMnCrNiMoSPOther
China(GB)5CrNiMo0.50-0.60≤0.400.50-0.800.50-0.801.40-1.800.15-0.30≤0.030≤0.030-
USA(ASTM)L60.65-0.750.20-0.400.55-0.650.65-0.851.25-1.750.25--V:0.25
Germany(DIN)1.27130.50-0.600.10-0.400.65-0.950.60-0.801.50-1.800.25-0.35--V:0.07-0.12
Japan(JIS)SKT40.50-0.60≤0.350.60-1.000.70-1.001.30-2.00.20-0.50≤0.030≤0.030-

 

Available Size

Rolled Round Barφ12-80mm
Forged Round BarΦ85-600mm

 

Heat Treatment

ProcessingTemperature ℃Hardness
Anneal760-780197-241HB
Quenching830-86053-58HRC
Tempering490-51044-47HRC
520-54038-42HRC
560-58034-37HRC

 

Characterstics

1.High toughness and strength
2.Higher abrasion resistance 
3.Remaining hardness of HB300 at 500℃
4.Insensitive to tempering brittleness due to addition of Mo

 

Applications: Suitable for large and medium sized forging dies with thickness of 250-350mm for automobiles,tractors,transmission gears,front axle beams and rear axles of automobiles,and forging dies for engineering machine components.

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Steel SKT4 Alloy Steel Round Bar Special Steel

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      SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem

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    30% TT as deposit and 70% before delivery.

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