Ecvv Trade
Dongguan Ruiyuan Steel Co., Ltd.

China Manufacturer with main products: Plastic Mould Steel, Hot Work Mould Steel, Cold Word Mould Steel, Alloy Steel, High Speed Tool Steel, Carbon Steel, Bearing Steel, Stainless...

Home  >Products Catalog > Forged Milled AISI 4140 Alloy Steel with Competitive Price

Forged Milled AISI 4140 Alloy Steel with Competitive Price

FOB Price: 1,500.00 - 2,300.00 USD/Ton
Supply Ability: 7,000 Ton per Month
Shipping: 7~15 days in stock
Payment Terms: L/C, T/T
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Liaoning in China
Packaging Details: raw packing or according to customer's requirement.


4140 Alloy  Steel Round Bar / 1.7225 Alloy  Steel Rod  
1.DIN1.7225 / SAE4140 / GB42CrMo / JIS SCM440 Alloy Steel  Round Bar /  Steel Rod 
2.Hot rolled or forged condition, annealing or harden, black or milled surface
3.Pre-heat treatment:
l         Annealing : heat to 840-860°c, keep 2H, furnace cold, hardness≤217HBS
l         .High temperature tempering : heat to 680-700°c, air cold, hardness ≤217HBS
4.Heat treatment:
l         Normalization: heating to 840 to 880 ° C, maintenance, furnace cooling to 600 ° C, then in air.
l         Stress relieving: after rough heat to 500 ° C, maintenance raff. In oven to 400 ° C, then in air.
l         Hardening: preheating from 600 to 650 ° C austenitizing
at 840 to 880 ° C, quenching in oil.
l         Tempering: heating to 550 - 650 ° C and maintenance regime, again depending on the mechanical properties
5. Hot rolled technology:EAF+LF+VD
  Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface
6.Ultrasonic test standard: SPE1921-GR3, CLASS C/C or D/D
7.Production leadtime: 7~10 days
8. Chemical composition:
9.Compared grades(based on usage):
Hot rolled condition
Steel plate(mm)
Mill name
Dongbei,XiNing, BengGang, ShouGang steel
Forged condition
Local mill with 6000tons fluid forged machine
4140 Alloy Steel Applications:
l          General service industries (petroleum, food, chemical, paper, fertilizer,  Fabric, aviation and nuclear)
l         Fluid, gas and oil transport
l        Pressure and heat transmission
l        Construction and ornament
l        Boiler heat exchangers
Competitive Advantage:
   l         Good purity and homogeneity.
   l          Good machinability(Roughing, grinding and drilling).
   l          Good dimensional stability during heat treatment.
   l         Excellent preparation for nitriding, both ionic and gaseous, induction hardening to increase the mechanical properties.
   l         Competitive price
   l         Fast production leadtime
   l         All the material are inspected with 3 times to meet the highly standards  

Our Main products:
DongGuan RuiYuan Steel Co.,Ltd Specializes in plastic mould steel, hot work mould steel, cold work mould steel  alloy steel and carbon structural steel, such as : P20, P20+Ni, 1.2714, 1.2083, 1.2316, H13, O1, D2, D3, D5, 1045, 1050, A3, 52100(EN31), 4137, 4140, 4340, 5140, 6150, 8620 and SCM420  for exporting over 20 countries now, such as: Brazil, India, Turkey, Italy, Germany, Korea, Malaysia, Iran and so on.

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

More products from other suppliers

Aluminum die casting part    
FOB Price: /Piece
Min Order: 1000 Pieces
Cast Steel Shot (FY-S660)    
FOB Price: 710.00-750.00 USD/Ton
Min Order: 25 Ton
Grey Iron Cast    
FOB Price: 1,400.00-150,000.00 USD/Metric Ton
Min Order: 5 Metric Ton
FOB Price: 10.00-1000000000.00 USD/Shanghai
High chromium cast steel grinding balls    
FOB Price: 600.00-900.00 USD/Ton
Min Order: 10 Ton
Standard Stainless steel manhole cover SS304/SS316    
FOB Price: 1.00-250.00 USD/Piece
Min Order: 2 Pieces
Ductile Iron Manhole Cover    
Min Order: 20 Sets

Can't find a suitable Supplier or product? Entrust ECVV to purchase the well-chosen Chinese products with high cost performance.

Learn More>> Start Safebuy Order

Communicate with Supplier

Sourcing from ECVV
Join Facebook Group