Hightensionsteel the 60kg class is produced after heat treatment process of quenching & tempering.
高张力钢 60 公斤类生产后的淬火科技回火热处理工艺。
2
Zhen Xing, senior high-pressure boiler tubes experts also said: With the increase in steel production, raw material supply to the growing tension in the market.
振兴的资深无缝钢管专家还透露：随着钢铁产量的上升，原材料市场供应日益紧张。
3
Present gun barrels are made up of high-strength steel. This type of material possess the differential strength in tension and compression.