Introduction
Cold drawn CHQ boron steel wire SAE 10B21 with phosphate coated surface, mainly used for producing class 8.8 screws and bolts.
Product Details
Grade of Steel: SAE 10B21
Technical Process: HD/SAIP
Range of Production: 0.8mm~32.0mm
Technical Parameters
Technical Process
HD Process: Wire Rod-Pickling and Coating- Finally Drawn - Finished Product
SAIP Process: Wire Rod-Pickling and Coating-Drawing-Spheroidized Annealing-Pickling and Coating- Skin Pass-Finished Product
High quality raw material
we mainly choose wire rod from Bao Steel and Xingtai Steel and so on.
Strict quality control procedures
We have advanced inspection equipments so that to carry things out strictly according to the IQC,IPQC and OQC process. Also, our technical staff will record all data of mechanical properties for the finished wire and make quality guarantee certificate to customers.
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