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We need purchase the steel thread bar .
you can see the pic i enclosed for you ,we had drawing and order qty.:137 tons.
The original material requirements as following:
C=0.21 ,P= 0.01 , Mn=0.73 , Si=0.2 ,S=0.025 , Ni=0.066, Cr=0.093,Mo=0.012,Cu=0.2,N=0.008
We had certification of material too
If u think u can supply what we required pls free to contact us for drawing and material requirements, Thanks.
Yizhen Lin
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