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SAE4340/ 1.6511 Alloy Engineering Steel Round Bar For Shaft /Bolt/Hummar Shank

Categories Engineering Steel Bar
Brand Name: CF Steel
Model Number: 1.6511 / SAE4340 / SNCM439
Certification: ISO / Mill Ceritificate
Place of Origin: China
MOQ: 3tons
Price: 850-1000
Payment Terms: L/C, T/T
Supply Ability: 1000 Mt/month
Delivery Time: 10-15 days for stock
Packaging Details: standard/customized
Material: alloy mechanical steel
Shape options: Round bar / Flat bar
Heat treatment: Annealed / Q+T
Smelting process: LF+VD
Delivery condition: Forged/ hot rolled
Quality Assurance: 100% UT passed
Surface conditons: Black
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    SAE4340/ 1.6511 Alloy Engineering Steel Round Bar For Shaft /Bolt/Hummar Shank


    SAE4340/ 1.6511 Alloy Engineering Steel Round Bar For Shaft /Bolt/Hummar Shank


    Introduction:


    Grade 1.6511 / SAE4340 has the characteristic of high strength, toughness and good hardenability and anti-overheating stability, but the white point sensitivity is high, and there is temper brittleness.The welding property is poor, before welding, it needs to be preheated by high temperature. After welding, the stress should be eliminated and used after adjustment.


    Chemical composition(%):


    CSiMnSPCrMoNi
    0.38~0.430.15~0.350.60~0.80≤0.040≤0.0350.70~0.900.20~0.301.65~2.00


    Application:


    Used as require good toughness, high strength, as well as the important conditioning of large size, heavy machinery such as high load of axial, turbine shaft, larger than 250 mm in diameter of helicopter rotor shaft, turbojet engine turbine shaft, blade, high load of transmission parts, fasteners of the crankshaft,gear, etc.
    It can also be used for operating temperature over 400 ºC of rotor shaft and blade, etc. and after nitriding processing can also be used to make special performance requirements of the important parts, after low temperature tempering or can be used for ultra-high strength steel after thermal quenching.


    Features:


    Excellent hardenability, high toughness and good heat-resistance and fatigue-resistance.


    Heat treatment:


    QuenchingTempering
    Heating temperature/℃CoolingHeating temperature/℃Cooling
    850Oil cooling600Water or oil cooling
    Hardness≤269HB

    Mechanical properties:


    Tensile strength sigma b (MPa): ≥980(100),
    The elongation is delta 5 (%): ≥12,
    The cross-sectional shrinkage of psi (%): ≥55.
    Impact work Akv (J) is greater than 25, impact toughness value alpha kv (J/cm2): ≥98 (10).


    Delivery time:


    Hot rolled or forged, black surface.
    For abundant stock, 15-20 days.For customized products, 30-50 days.


    Our main products
    Platic mould steel:

    S50C, P20, P20+Ni, P21, 420

    Hot work mould steel:H13/1.2344, H21/1.2581
    Cold work mould steel:D2, D3, O1/1.2510
    Alloy steel:1.7035, 1.7225, En31, 1.6523
    High speed steel:M2/1.3343, T1/1.3355, M35, M42

    Product products:



    Hot sale products for plastic mould Steel
    STANDARD/GRADESteel Plate Size(mm)Round bar Size(mm)Technics
    DINAISMJISGB(China)ThicknessWidthLengthDiameterLength
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    1.1191SAE1045S45C45#10-700155-22003000-600010-3003000-6000
    1.2311P20PDS-33Cr2Mo12-800155-22002000-600020-2002000-6000Forged,
    Hot Rolled
    1.2738P20+Ni-3Cr2NiMnMo21-1000155-22002000-600020-2002000-6000
    1.2083420-4Cr1312-500155-12002000-600012-3003000-6000

    Hot sale products for hot / cold work mould Steel
    STANDARD/GRADESteel Plate Size(mm)Round bar Size(mm)Technics
    DINAISMJISGB(China)ThicknessWidthLengthDiameterLength
    1.2344H13SKD614Cr5MoSiV116-500155-5002000-600016-2003000-6000Forged,
    Hot Rolled
    1.2379D2SKD10SKD106-200155-8102000-600010-1803000-6000
    1.2080D3SKD13Cr2Mo10-200155-8102000-600010-1803000-6000
    1.2510O1SKS39CrWMn10-200155-8102000-600020-2003000-6000

    Cheap SAE4340/ 1.6511 Alloy Engineering Steel Round Bar For Shaft /Bolt/Hummar Shank for sale
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