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Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo

Guangzhou Changfeng Steel Co., LTD
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    Buy cheap Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo from wholesalers
     
    Buy cheap Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo from wholesalers
    • Buy cheap Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo from wholesalers
    • Buy cheap Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo from wholesalers

    Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo

    Ask Lasest Price
    Brand Name : CF STEEL
    Model Number : 40CrNiMoA, AISI4340,39CrNiMO,40NiCRMo22,SNCM439
    Certification : ISO, Mill Certificate
    Price : USD800-900/MT
    Payment Terms : L/C, T/T
    Supply Ability : 1000t/Month
    Delivery Time : 7-15 days
    • Product Details
    • Company Profile

    Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo

    Forged Steel 1045 8620 4340 4140/En19/Scm440/42CrMo Steel Round Bar / Square Bar


    1. 4140 forged steel bar sizes we can offer;
    Round bar: 200-1000mm
    Square bar:150×150-600×600mm

    2.Supply condition for 4140 Forged steel bars:Black /Rough Machined /Rough turned

    3.Futhur heat treatment for 4140 forged steel :
    Normalized
    Annealed
    Q&T(Quenched&Tempered)

    4. 4140 Forged Steel round bar tolerance:
    Black surface
    Forged sizes up to 500mm (-0/+5mm)
    Forged sizes above 500mm in diameter (-0/+8mm)
    Machined surface to all sizes (-0/+3mm)

    5. 4140 Steel Equivalent
    StandardAISI / SAE 4140
    UNS-
    WERKSTOFF NR.41CrMo4, 42CrMo4, 42CrMoS4, 43CrMo4
    BS 970708M40, 708A42, 709M40, En19, En19C
    UNI41CrMo4, 38CrMo4 (KB), G40 CrMo4, 42CrMo4
    JISSCM 440, SCM 440H, SNB 7, SCM 4M, SCM 4
    EN name42CrMo4
    EN #1.7223, 1.7225, 1.7227, 1.3563

    6. Scm440 Forged steel chemical composition
    StandardGradeCSiMnPSCrMo
    ASTM A2941400.38-0.430.15-0.350.75-1.00≤ 0.035≤ 0.040.8-1.10.15-0.25
    42CrMo40.38-0.45≤ 0.40.6-0.90≤ 0.025≤ 0.0350.9-1.20.15-0.30
    EN100831.7225
    JIS G4105SCM4400.38-0.430.15-0.350.6-0.85≤ 0.035≤ 0.040.9-1.20.15-0.30
    GB 307742CrMo0.38-0.450.17-0.370.5-0.80≤ 0.035≤ 0.0350.9-1.20.15-0.25
    BS 970EN190.35-0.450.15-0.350.5-0.80≤ 0.035≤ 0.0350.9-1.50.2-0.40


    7. 4140 Steel Application
    4140steel finds many applications as forgings for the aerospace,oil and gas,automotive, agricultural and defense industries etc.
    Typical applications for Scm440 steel uses include:forged gears,spindles,fixtures,jigs,collars,Axles,conveyor parts,crow bars,logging parts,shafts,sprockets,studs,pinions,pump shafts, rams, and ring gears etc

    8.Quality control:
    1. Melting Process: EAF/BOF+LF+VD resulting in ingots
    2. Both ends cut by saw
    3. Ratio of forging:minimum 3:1
    4. Grain size of final product: according to ASTM E112 more than 5,preferred more than 8
    5. Ultrasonic test: As per SEP1921 Class C/c or D/d

    9.Heat treatment of 4140 Steel
    Quenched and Tempered (+QT) of 4140 Steel
    1. Heat 4140 steel slowly to 840-875°C;
    2. Soak at this temperature then quench in oil;
    3. Temper as soon as 4140 reach room temperature (20°C);
    4. Heat uniformly to the suitable temperature of 560°C;
    5. Withdraw the material from the furnace and cool in the air.
    Annealing of 4140 Alloy Steel
    1. Heat the 4140 slowly to 800-850°C and allow enough time.
    2. Cool slowly in the furnace to 480°C followed by air cooling

    10.MOQ: one piece per size/grade

    11.Payment term: FOB CIF CFR EXW and so on

    12.Delivery time : 7 to 30 days after deposit received.

    Changfeng Tool & Die Steel main product:
    STANDARD/GRADE of steelFlat Bar Size(mm)Round bar Size(mm)Technics
    DINAISMJISGB(China)ThicknessWidthLengthDiameterLength
    1.121SAE1050S50C50#10-450155-22002000-12000Forged, Hot Rolled
    1.2311P20PDS-33Cr2Mo10-460155-22002000-1000020-2002000-6000
    1.2738P20+Ni-3Cr2NiMnMo21-300155-22002000-800020-2002000-6000
    1.2379D2SKD10SKD1010-200155-8102000-600014-803000-6000
    1.2080D3SKD13Cr2Mo10-200155-8102000-600020-2003000-6000
    1.2083420-4Cr1310-500155-12002000-600012-3003000-6000
    1.2344H13SKD614Cr5MoSiV110-500155-16002000-600016-4003000-6000
    1.2510O1SKS39CrWMn10-200155-8102000-600020-2003000-6000
    1.7225SAE4140SCM44042CrMo10-280155-22002000-600016-4503000-6000


    About Us
    Guangzhou Changfeng Steel Co., Ltd.
    is a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.

    To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.


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