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Ferrotungsten

ferrotungsten

Properties

Tungsten is one of the important alloy elements which are used to make special steel. While tungsten reduce a little elongation rate of steel, Ferro-tungsten raises strength limit and yield point and also raises hardness and abrasion resistance of steel. Ferro-tungsten is very important that tungsten has good influence on high temperature mechanical properties of steel to improve heat resistance and tempering stability of steel
Chemical Compositions(GB/T3648-1996)

BrandChemical Compositions (%)
WCPSSiMnCuAsBiPbSbSn
FeW80-A75.0-85.00.100.030.060.50.250.100.060.050.050.050.06
FeW80-B75.0-85.00.300.040.070.70.350.120.080.050.08
FeW80-C75.0-85.00.400.050.080.70.500.150.100.050.08
FeW70≥70.00.800.060.11.00.600.180.100.050.10

Notes: Ferrotungsten should be delivered in lump whose size range is from 10 to 130mm. the amount of debris whose size is less than 10mm×10mm should not exceed 5% of the total mass of this batch of products.

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