Hot Rolled Alloy Steel Plate 5140/520M40/41Cr4/SCRr440/42C4

Short Description:

Our alloy steel is from BAOSTEEL. We have become the agent of BAOSTEEL for 15 years. Baoshan Iron and Steel Co., Ltd. is the largest and most modern iron and steel joint venture in China. We can offer you competitive prices & superior service. 

  • Standard: ASTM, JIS, EN
  • Thickness: 2-100mm
  • Width: 1000-2200mm
  • Length: 1000-12000mm 
  • MOQ: 1TON
  • Product Detail

    Product Tags

    40cr-mill-test -certificate

    Product Description 

    40Cr steel plate chemical composition:

    Unified Numeral Code Grade C Si Mn Cr
    A20402 40Cr 0.37-0.44 0.17-0.37 0.50-0.80 0.80-1.10

    40Cr steel plate mechanical property:

    1) The mechanical properties of steel plates delivered in annealed state shall be in accordance with the provisions of the table below.
    2) The steel plates delivered in normalizing state, under the condition of elongation comply with the table, the upper limit of tensile strength is allowed to be increased by 50Mpa.
    3) The steel plates with thickness above 20mm, when the thickness is increased by 1mm, the elongation is allowed to lower by 0.25% (absolute value) than that of the table, but it should not exceed 2% (absolute value).

    Unified Numeral Code Brand No. Tensile Strength [Mpa] Elongation [%,min]
    A20402 40Cr 550-800 16


    Heat treatment of 40Cr steel: 

    1) Annealing of 40Cr steel plate:
    Slowly heated to 850 ℃ and allow enough times, let the steel to be thoroughly heated, Then cool slowly in the furnace. The 40CR alloy steel will get MAX 250 HB (Brinell hardness).
    2) Hardening of 40Cr steel plate:
    Heated slowly to 880-920°C, Then after adequate soaking at this temperature quench in oil. Temper as soon as tools reach room temperature.

    Standard AISI, ASTM, SAE, JIS, DIN, BS, NF 
    Product name BAOSHAN IRON&STEEL ANSTEEL Hot Rolled 40Cr 5140/520M40/41Cr4(1.7035)/530A40/SCRr440(SCr4)/42C4 Alloy Steel Plate 
    Thickness 6.0-400mm
    Width 1250mm,1500mm, 1800mm, 2000mm, 2200mm, 2500mm, etc
    Length 1000mm, 1500mm, 2000mm, 3000mm, 6000mm,8000mm, 10000mm, etc
    Delivery States Hot-rolled
    Certificate ISO, BV, CE etc
    Package Standard export seaworthy package, or as customer’s requirement.
    Trade term Ex-Work, FOB, CFR, CIF, etc
    Capacity 5000MT/month
    Application Widely used as boiler plate, container plate, and it is also widely used in building construction.


    business license of risegroup


    Shanghai risegroup-metal is located in Shanghai. Since 2005, We have become the main supplier of metal products, and we have also become the main agent of BAOSTEEL, ANSTEEL, WISCO, etc. for 15 years, so our products are trustworthy.  

    Our Products

    Our products can be divided into the following categories: metals, containers, construction materials, mechanical products, which have built great relationship with the metal facilities at home and abroad. Our purpose is to provide excellent service for our customers, basing on the service concept of integrity, diligence, innovation and win-win. 

     Credit is the basis, Quality is the first

     The key to success is that we follow our unique corporation culture. We always attach more importance to the customer’s profit, offer them high quality products and excellent service. In the meantime, we keep continuous innovation to keep pace with our society.

    Shanghai risegroup-metal believes that we will succeed only by help our clients succeed. We can always provide our customers with more competitive prices & we keep long-term cooperation with our clients. In addition, all of our partners put emphasis on the details. As the old saying goes: details decides success or failure. We believe we can always offer our customers superior service because we are patient & careful all the time. Our partners are good at making the complex problem to be simplistic. We are happy due to the fact that we can help our clients to solve the problem that seems very difficult at the first time.  

    Choose risegroup-metal, choose superior service, choose excellent quality.   


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