high hardness steel ball 30mm for grinding
high hardness steel ball 30mm for grinding
high hardness steel ball 30mm for grinding
high hardness steel ball 30mm for grinding
high hardness steel ball 30mm for grinding
high hardness steel ball 30mm for grinding
high hardness steel ball 30mm for grinding

high hardness steel ball 30mm for grinding

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Price:$985.00 - $1,000.00

Quantity:


Product Overview

Description


high hardness steel ball 30mm for grinding


  steel ball 30mm


 



Product Description


steel ball 30mm steel ball 30mm


1.Diameter tolerance and roundness



































Diameter



30



40



50



60



70



80



90



100



110



120



125



150



Diameter roundness(mm)



±2



+3,-2



+4,-3



+5,-4



Roundness(%)



≤2



≤3



≤4



≤5



 


 


2.Chemical composition


































































































































































































































































Brand



C(%)



Si(%)



Mn(%)



Cr(%)



Cu(%)



Mo(%)



P(%)



S(%)



Ni(%)



45#



0.42-0.50



0.17-0.37



0.5-0.80



0-0.25



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



40Mn



0.37-0.44



0.17-0.37



0.7-1.0



0-0.25



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



50Mn



0.48-0.56



0.17-0.37



0.60-1.0



0-0.25



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



60Mn



0.57-0.65



0.17-0.37



0.70-1.0



0-0.25



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



65Mn



0.62-0.70



0.17-0.37



0.90-1.0



0-0.25



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



70Mn



0.67-0.75



0.17-0.37



0.90-1.20



0-0.25



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



40Cr



0.37-0.45



0.17-0.37



0.50-0.8



0.80-1.1



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



42CrMo



0.38-0.45



0.17-0.37



0.50-0.80



0.90-1.2



0-0.03



0.15-0.25



0-0.035



0-0.035



0-0.30



70Cr2



0.65-0.75



0.20-0.30



0.75-0.90



0.55-0.70



0-0.25



0-0.30



0-0.030



0-0.030



0-0.30



40Mn2



0.37-0.44



0.17-0.37



1.4-1.8



0-0.25



0-0.25



0-0.30



0-0.035



0-0.30



0-0.30



70Mn2



0.65-0.75



0.20-0.45



1.4-1.8



0-0.25



0-0.25



0-0.30



0-0.035



0-0.030



0-0.30



B-1



0.52-0.65



0.17-0.37



0.60-1.2



0-0.25



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



B-2



0.70-0.80



0.17-0.37



0.70-0.80



0.50-0.60



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



B-3



0.58-0.66



1.2-1.6



0.65-0.80



0.70-0.90



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



B-4



0.60-0.65



1.6-1.7



0.7-0.8



0.7-0.8



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



B-6



0.75-0.85



0.2-0.40



0.9-1.0



0.85-0.95



0-0.25



0.06-0.13



0-0.035



02-0.035



0.06-0.13



B-6A



0.82-0.95



0.20-0.40



0.92-1.02



0.80-0.95



0-0.25



0.06-0.10



0-0.035



0-0.035



0.06-0.10



B-7



0.35-0.40



0.17-0.37



0.7-0.8



0.9-1.0



0-0.25



0-0.30



0-0.035



0-0.035



0-0.30



BU



0.95-1.05



0.17-0.37



0.9-1.10



0.40-0.60



0-0.15



0-0.05



0-0.035



0-0.035



0-0.30



Gr15



0.95-1.05



0.15-0.35



0.20-0.40



1.30-1.65



0-0.25



0-0.10



0-0.027



0-0.020



0-0.10



 


3.Technical specification














































































































































































Brand



Breakage rate



Hardness


(HRC)



Impact value


(J/cm²)



Drop times


(times)



Micro structure



45#



<1%



≥45



≥12



≥8000



M+C



40Mn



<1%



≥50



≥12



≥10000



M+C



50Mn



<1%



≥55



≥12



≥10000



M+C



60Mn



<1%



≥55



≥12



≥12000



M+C



65Mn



<1%



≥58



≥12



≥12000



M+C



70Mn



<1%



≥60



≥12



≥12000



M+C



40Cr



<1%



≥55



≥12



≥12000



M+C



42CrMo



<1%



≥55



≥12



≥12000



M+C



70Cr2



<1%



≥58



≥12



≥12000



M+C



40Mn2



<1%



≥55



≥12



≥12000



M+C



70Mn2



<1%



≥58



≥12



≥12000



M+C



B-1



<1%



≥55



≥12



≥12000



M+C



B-2



<1%



≥58



≥12



≥15000



M+C



B-3



<1%



≥60



≥12



≥15000



M+C



B-4



<1%



≥60



≥12



≥15000



M+C



B-6



<1%



≥60



≥12



≥15000



M+C



B-6A



<1%



≥60



≥12



≥15000



M+C



B-7



<1%



≥60



≥12



≥15000



M+C



BU



<1%



≥60



≥12



≥15000



M+C



Gr15



<1%



≥60



≥12



≥15000



M+C



 


 




 



Test before delivery


1 (2)_20200303141107 




 



Packaging & Shipping


1.Bag:diameter17-150mm   1000kg/bag


2.Drum:diameter17-25mm   1000kg/drum


             diameter30-50mm   950kg/drum


             diameter60-70mm   900kg/drum


             diameter80-90mm   850kg/drum


             diameter100-150mm 800kg/drum


 


 


20feet container:25bags or 25-32drums


40feet container:27bags or27-34drums


bag and pallet_20200303134851_20200303134902 




 



Trade Shows


steel ball 30mm


steel ball 30mm 




 



Company Information


 Our Address: Zhangqiu city,Shandong province


Our company area:80000square meters area


Our employees:over 100


Annual production capacity:100000 tons


Registered capital:50 million yuan.


Main products:forged steel ball,casting iron ball,steel cylpebs ,grinding rod,mill liners,steel,hammerhead,automatic production line of steel ball &grinding rod and decorative wrought iron products.


 steel


  steel ball 30mm 





Main products


 


steel ball 30mm steel ball 30mm 





Our Certifications


 




 



Our Services


Huafu Culture


The most honest and excellent partnering with Huafu


Our tenet:Credit first,standard operation,quality guaranteed,double win.


Our mission:Forge famous brand and high technology enterprise of China,produce high quality products favoured by home and aboard.


Our spirit:Pioneering,innovation,develop based on the market;high quality,high efficiency,serve our customer with full heart.


Our core value:Practical,forge ahead,customer first,quality excellence.


steel ball 30mm




 


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