久久中文字幕一区二区三区,日本99热,高清av一区,日韩狠狠操,久久久一本精品99久久精品66,1级片网站,aaaaaaa欧美黄色大片

Casus Products>> Casus

  The 35Si2Cr produced by XINGTAI STEEL has the advantages of stable chemical composition, low percentage of harmful elements,slight decarburisation, consistent mechanical property, fine grain size, and good hardenability etc.This product is mostly used to produce PC bar and wires for high speed railroad crosstie. The customer feedback that the product has high strength and toughness, low relaxation and good weldability, which can meet the use requirements of the final product.