... BS, JIS, GB, DIN, ASTM, API 10CrMo9 Cold Rolled Seamless Steel PipeCarbon steel; Stainless steel;Alloy steel ... 1020BS:050A20,060A20 TechniqueHot Rolled and Cold DrowingSurface treatmentTransparent oil or black painting anti-corrosionPlace of originTianjinStandardBS, JIS, GB ... resistance to high presure,high/low temperature and corrosion ano is used inthe industries of petroleum,chemicalengineering ...