... Bar, Rings, Hollows, Discs, Blocks and special Shapes. Surface ConditionAP(Annealed & Pickled), BA(Bright Annealed), ... A269, ASTM A312, JIS G3459, DIN 17458SuperiorityHigh quality and Competitive priceApplicationfor Construction field, ships building industry, ... : Petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, corrosion resistant seamless ...