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SAE10B33 Cold heading quality wires CHQ wire

Characteristics:The products are mainly used to produce fasteners of class 8.8 ~ 10.9. Use of Products:10B21,10B28 and 10B33 are mainly used to produce fasteners of class 8.8 ~10.9, It has of uniform-chemicalcomposition, low percentage of harmful elements, high puruty,slight decarburisation, good surface quality,good cold heading perfomence, low rigidity. They also has characteristics of high intensity and good hardenability after heat treatment.

 

 

钢号 Grade 化学成份(Chemical composition)%
SAE Standard C Mn Si S P B Al
10B18 0.16~0.23 0.60~0.90 0.10Max Max0.30 Max0.30 0.0008~0.003 Min0.020
10B21 0.18~0.23 0.60~0.90 0.10Max Max0.30 Max0.30 0.0008~0.003 Min0.020
10B28 0.26~0.32 0.70~1.00 0.40Max Max0.30 Max0.30 0.0008~0.003 Min0.020
10B30 0.28-0.34 0.70~1.00 0.10Max Max0.30 Max0.30 0.0008~0.003 Min0.020
10B33 0.29~0.38 0.70~1.00 0.15~0.35 Max0.35 Max0.30 0.0008~0.003 Min0.020
10B38 0.35~0.42 0.70~1.00 0.15~0.35 Max0.35 Max0.30 0.0008~0.003 Min0.020
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