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Forged SAE 52100 Tool Steel , Engineering Special Steels Black Surface

Categories Engineering Steel Bar
Brand Name: CF Steel
Model Number: SAE52100 / EN31 / GCr15
Certification: ISO / Mill Certificate
Place of Origin: China
MOQ: Negotiable
Price: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 1000 Mt/month
Delivery Time: 10-15 work days
Packaging Details: Export Standard Packing or Customers'demand
Diameter: 20-260mm
Length: 4000-10000mm
Heat treatment: Annealed / Q+T
Delivery condition: Hot rolled or annealed
Surface treatment: Black / Grinding / Polished / Turned
Payment term: 30% Deposit, Balance by L/C at Sigth After Shipment
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    Forged SAE 52100 Tool Steel , Engineering Special Steels Black Surface


    SAE52100 / EN31 Forged Black Surface Engineering Steel Round Bar


    ► Introduction:


    GCr15 is a high-carbon chromium bearing steel with low alloy content, which has high hardness, uniform structure, good wear resistance and high contact fatigue property after quenching and tempering.


    ► Equivalent grades:


    GBDINAISIJIS
    GCr15EN3152100SKD1

    ► Chemical Composition(%):


    CSiMnCrMoNiCuPS
    0.95-1.050.15-0.350.25-0.451.4-1.65≤0.1≤0.30≤0.030≤0.035≤0.035

    ► Feature:


    Belong to a kind of high carbon chromium bearing steel which most widely used width a good performance and less alloy content. High hardnability and good comprehensive performance. Good machinability after spheroidizing annealing. High hardness, uniformorganization, good wear-resistance, high contacr fatigue performance after quenching and tempering. And good hot working performance.


    ► Heat treatment:


    Heat treatment systemSteel rod annealing, steel wire annealing or 830-840 degree oil quenching.
    Common annealing:790-810 degree heating, cooling to 650 degrees, air cooling to 170-207HB.
    Isothermal annealing:790-810 degree heating, 710-720 degrees isothermal, air cooling to 207-229HB.
    Positive fire:900-920 degrees heating, air cooling to 270-390HB.
    High temperature tempering:650-700 degree heating, air cooling to 229-285HB.
    Quenching fire:860 degree heating, oil quenching to 62-66HRC.
    Low temperature tempering:150-170-degree tempering, air cooling to 61-66HRC.

    ► Applications:


    For making all kinds of bearing ring and rolling element. For example: steel ball roller and ferrule of internal combuxtion engine, electric motorcycle, automonilrd, tractors, machine tools, rolling mill, boring machine, mining machinery, general machinery, high load and high speed roating mechancial transmission bearing. Except ball bearing and bearing ring, sometimes also used to make tools, such as pumching die, measuring tool.


    ► Delivery condition:


    Hot rolled or forged, black surface.


    Hardenss: annealed to 207-229HB.


    Grade SAE52100 / EN31 / GCr15 is one of the most commonly used high-carbon chromium bearing steel with high hardenability and high uniform hardness after heat treatment.High wear resistance is better than that of GCr9, contact fatigue strength, good dimensional stability and resistance to corrosion, cold deformation and plastic medium, machinability, poor weldability, sensitive to white dot formation, the first kind of temper brittleness.


    Product photos:




    About us:


    Guangzhou ChangFeng Steel Co.,Ltd, is located in Guangzhou city, it was established in 2012,and is an Professional import and export company with ten years experience of selling special steel, which mainly sells plastic die steel, hot work die steel, cold work mould steel, alloy structural steel, bearing steel, tool steel, stainless steel, carbon steel, etc.

    We also act on behalf of exporting steels of mainly steel factories in China, including Baogang group,Shagang group, Wenfeng group, Xingcheng group, Dongte group, Daye and so on.We are full of export experience to the market all over the word, such as America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.

    Guangzhou ChangFeng Steel co., Ltd has a lot of experienced and competent elites and is capable of offering the best service after years of development.

    Our company equips with large-sized Vertical saw machines, Horizontal saw machines, Milling machines, Grinding machines and other advanced equipments to provide customers with cutting and other processing services.

    Our all products should be inspected the metallographic analysis, hardness, ultrasonic flaw detection and other strict inspection processes, which meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.


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