... 35CroGB/T3639-2000DIN2391For the automotive, motorcycle, engineering machinery, jack, electrical tools and sporting equipment and other ... resistant,Low temperature-resistant, corrosion-resistant Seamless pipe for Petroleum, chemical, electric power,Boiler industry16-824×2- ... mining, textile, electric power, boilers, drinking water, machinery, military industryDN80-1500-square pipeQ195,Q235,Q345,20#GB ...