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  • Hot rolling steel cylpebs
  • Hot rolling steel cylpebs
  • Hot rolling steel cylpebs

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Hot rolling steel cylpebs
Skype：chen.cherry56
WhatsApp：+86-18563713664
Email：sales@jnhuafu.cn
PRODUCT DESCRIPTION

Size and Tolerance

Size (mm)20x3025x3530x4035x4540x5045x5550x6055x6560x70
Diameter tolerance(mm)±1
Length tolerance(mm)±2


Chemical composition

BrandC（%）Si（%）Mn（%）Cr（%）Cu（%）Mo（%）P（%）S（%）Ni(%)
45#0.42-0.500.17-0.370.5-0.800-0.250-0.250-0.300-0.0350-0.0350-0.30
60Mn0.57-0.650.17-0.370.70-1.00-0.250-0.250-0.300-0.0350-0.0350-0.30
65Mn0.62-0.700.17-0.370.90-1.00-0.250-0.250-0.300-0.0350-0.0350-0.30
B-20.70-0.800.17-0.370.70-0.800.50-0.600-0.250-0.300-0.0350-0.0350-0.30


Technical specification

BrandBreakage rateHardness(HRC)Impact value(J/cm2 ）Drop times(times)Micro structure
45#<1%≥45≥12≥8000M+C
60Mn<1%≥55≥12≥12000M+C
65Mn<1%≥58≥12≥12000M+C
B-2<1%≥60≥12≥15000M+C


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