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Alloy steel round bar 4140

  • Price:

    Negotiable

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  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Beijing

  • Validity to:

    Long-term effective

  • Last update:

    2017-12-28 00:00

  • Browse the number:

    76

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Company Profile

Sino East Steel Enterprise Co. Ltd

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Contact: shunitesteel(Mr.)  

Telephone:

Area: Beijing

Address: Beijing

Website: http://shunitesteel.furonghua.net/

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Product details
Model Number: hot rolled round bar -2 Key Specifications/Special Features: Alloy steel round bar 41401.Grade: AISI 4140, DIN 1.7225/42CrMo4, JIS SCM440, GB 42CrMo2.Size:dia 10-320mm, length: as you request3.Chemical composition: (%)C Si Mn P S Cr Ni Mo0.42 0.30 0.60 ≤0.025 ≤0.025 1.00 ≤ 0.25 0.20

4.Factory state: Hot rolled. Annealed hardness≤229. Black surface.

5.Characteristic:Thissteelhasgoodworkability,machining deformationtinyanti-fatigueperformanceisquitegood, isinhardenability steel.4140after heat treatment,goodstrength and goodmechanical properties,good technology,andhigh-yield.

6.Application:Can also be usedforthemanufacturing requirementscompared35CrMosteelhigher strengthanda largercross-sectionforgingsquenched,suchasthetractionwitha large gear,thetransmission gearsoftheturbocharger, the rear axle,by the loadgreatlyrod andcolletbelow 2000mdeep oildrill pipe jointsandfishing tools,and can beusedtomoldbender.

7.Process flow: Electric arc furnace melting→Refining furnace → Vacuum treatment furnace → Cast ingot → Steel ingot anneal → Heating → High-speed forging, refining forging → Anneal, retarded cooling,air cooling → Quenching and tempering tretment → Finishing operation → Text → Finished products

8.MECANICAL PROPERTIES Heat Treated Condition

Yield strength ( Rp0.2): 930(max)

Tensile (Rm): 1088(max)

Elongation (A5) %: 13(min)

Charpy Impact J: 42(min)

Hardness HB:248 - 302 HB
Shipping Information:
  • FOB Port: China (Mainland)
  • Lead Time: 5 - 45 days
Main Export Markets:
  • Asia
  • Australasia
  • Central/South America
  • Eastern Europe
  • Mid East/Africa
  • North America