av无码网址福利_超碰aⅴ亚洲中文字幕_亚洲三级片区无码_亚洲欧洲无码精品Ⅴa

Casus Products>> Casus

  The Q10B33-B produced by XINGTAI STEEL is mainly used to produce 10.9 grade standard parts. The product has the advantages of stable composition, high purity of steel, small decarburization layer, low cracking rate in cold heading, low original hardness of wire rod, high strength after heat treatment and good hardenability. A customer of XINGTAI STEEL used the product to produce bolts for construction machinery, which reflected that the product quality was stable and met the requirements of use.