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heat treated 65Mn hot rolled steel grinding balls

Country/Region china
Company Nantong Jin Di Fastener Co., Ltd.
Categories Steel Grinding Balls
Telephone 86-513-68992105
ICP License Issued by the Chinese Ministry
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    • Product Details
    • Company Profile

    heat treated 65Mn hot rolled steel grinding balls

    • Product Detail
    • Transaction History
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    Quick Details

    • Place of Origin: Jiangsu, China (Mainland)
    • Brand Name: JD
    • Model Number: Special-7
    • Particle: Dia.20mm-Dia.150mm(0.78''-5.9'')

    Packaging & Delivery

    Packaging Details:weave bag/iron drum 1T/bag ,850kg/iron
    Delivery Detail:30days

    Specifications

    1:High hardness wear resistance,Low breakage
    2:HRC45-67
    3:Diameter 20-150mm
    4:Certification:ISO9001
    5:Used to Ball mill

    1.Chemical Composition

    MaterialCMnSiCrSP
    50Mn0.48-0.560.70-1.00.17-0.37≤0.25≤0.035≤0.035
    60Mn0.57-0.650.70-1.00.17-0.37≤0.25≤0.035≤0.035
    65Mn0.60-0.700.90-1.20.17-0.37≤0.25≤0.035≤0.035
    B20.70-0.850.70-0.800.17-0.370.2-0.7≤0.03≤0.03
    75SiMn0.70-0.900.70-1.200.4-0.8≤0.25≤0.03≤0.03
    Wear-resistant Alloy0.50-0.650.4-1.01.4-1.80.9-1.2≤0.03≤0.03

    2.Physical Property

    MaterialImpact Test(Ak.J/cm)Endurance Test Times(5m/T)

    Surface Hardness

    (25mm- 60mm)

    Core Hardness

    (25mm- 60mm)

    Surface Hardness

    (70mm- 100mm)

    Core Hardness

    (70mm- 100mm)

    Breakage
    50Mn≥12≥10000≥56≥35≥56≥28<1%
    60Mn≥13≥10000≥58≥38≥58≥29<1%
    65Mn≥15≥12000≥60≥42≥60≥30<1%
    B2≥17≥12000≥60≥52≥60≥50<1%
    75SiMn≥16≥12000≥60≥50≥60≥48<1%
    Wear-resistant Alloy≥17≥12000≥60≥54≥60≥52<1%

    specical material for Client: GN-40CR, GN-B2, GN-B3,GN-B4, GN-B6,GN-BU for your choice.

    3.Size and Weight

    Norminal DiameterDiametrical Tolerance(mm)Approx Weight of Single Ball(kg)Average Number of One MT
    20mm/0.75''+1,-0.50.03330303
    25mm/1''+1,-0.50.06415625
    30mm/1.25''+2,-10.119090
    40mm/1.5''+2,-10.2613831
    50mm/2''+2,-10.511961
    60mm/2.5''+2,-10.8831132
    70mm/2.75''+3,-1.51.402713
    80mm/3.25''+3,-1.52.092478
    90mm/3.5+3,-1.52.98335
    100mm/4''+3,-1.54.087244
    110mm/4.5''+3,-1.55.44183
    120mm/4.75''+3,-1.57.062141
    Transaction History of the Supplier

    Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

    Transaction Overview

    • 2015.04 - 2016.03

    Transactions

    Created with Highcharts 4.0.3No. of TransactionsAprMayJunJulAugSepOctNovDecJanFebMar00.511.5
    Quality heat treated 65Mn hot rolled steel grinding balls for sale
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