Nantong Jin Di Fastener Co., Ltd.
Main products:Hexagon heads,hexagon nuts,wood screws,flat washers,thread rods
Products
Contact Us
  • Contact Person : Ms. Huang Helen
  • Company Name : Nantong Jin Di Fastener Co., Ltd.
  • Tel : 86-513-68992105
  • Fax : 86-95105302-15098
  • Address : Jiangsu,NanTong,Building No.29,Zhongnan CBD,No.8 Taoyuan Road, Nantong, Jiangsu, China
  • Country/Region : China
  • Zip : 226000

Hot Rolled Steel Balls

Hot Rolled Steel Balls
Product Detailed
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/cm²)Endurance Test Times(5m/T)

Surface Hardness

(Φ25mm- Φ60mm)

Core Hardness

(Φ25mm- Φ60mm)

Surface Hardness

(Φ70mm- Φ100mm)

Core Hardness

(Φ70mm- Φ100mm)

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

Hot Rolled Steel Balls



Copyright Notice @ 2008-2012 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.