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JF lead-free series

  • parameters

JF series materials, also known as bimetallic materials or copper lead steel strips, are made of low carbon steel or steel coil as the base material, and the surface is sintered with copper alloy steel and copper alloy products. Different copper alloy materials are suitable for different working conditions. The surface copper alloy grades can be divided into high lead series, lead series and lead-free series.


Alloy gradeNameMain chemical composition %Alloy hardness HBSteel layer hardness HBMain use occasion


cupbsnznniBi


CuSn6.5P0.1JF930margin≤0.16.0~7.060~9080~130Bushings, bushings,
side plates, washers
CuSn8Ni1JF910margin≤0.17.0~9.0≤1.00.7~1.380~11090~140
CuSn6Ni9ZOB850margin≤0.15.0~7.00.3~0.68.0~10.080~11090~140
CuSn10Bi3JF870margin≤0.19.0~11.02.8~3.660~9080~130


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