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ferro tungsten 70
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1. Application: Tungsten is one of the important alloy elements which are used to make special steel.
2. Properties: While tungsten reduce a little elongation rate of steel, it raises strength limit and yield point and also raises hardness and abrasion resistance of steel. It is very important that tungsten has good influence on high temperature mechanical properties of steel to improve heat resistance and tempering stability of steel.
3. Chemical Compositions(GB/T3648-1996) Brand Chemical Compositions (%) W C P S Si Mn Cu As Bi Pb Sb Sn ≤ FeW80-A 75.0-85.0 0.10 0.03 0.06 0.5 0.25 0.10 0.06 0.05 0.05 0.05 0.06 FeW80-B 75.0-85.0 0.30 0.04 0.07 0.7 0.35 0.12 0.08 - - 0.05 0.08 FeW80-C 75.0-85.0 0.40 0.05 0.08 0.7 0.50 0.15 0.10 - - 0.05 0.08 FeW70 ≥70.0 0.80 0.06 0.10 1.0 0.60 0.18 0.10 - - 0.05 0.10
4. Shape:Ferro Tungsten Lump should be delivered in lump or powder 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.
5. Package:100kg per iron bucket.
ferro tungsten 70
