The oxygen corrosion behavior of s 135 drill pipe steel in drill fluid 135鉆桿鋼在鉆井液中的氧腐蝕行為
Non - piping steel 無縮孔鋼
As to the study on application of higher grade of pipe steel , he considers that the higher grade of pipe steel can be adopted in gas transmission pipeline through the optimized design 對(duì)高等級(jí)管道鋼的應(yīng)用進(jìn)行了重點(diǎn)研究與分析,認(rèn)為經(jīng)過優(yōu)化設(shè)計(jì),高等級(jí)管道鋼可以應(yīng)用于輸氣管道。
This paper analyzes the main composition and function of self - protection flux cored wire , presents the mechanical test results of welding x80 pipe steel ( developed by tianjin jinqiao company ) using the self - protection flux cored wire 摘要文章分析了自保護(hù)藥芯焊絲的主要成分及作用,介紹了天津市金橋焊材集團(tuán)有限公司研制的x80管道鋼用自保護(hù)藥芯焊絲的力學(xué)性能試驗(yàn)結(jié)果。