... ASTM A269, ASTM A312, JIS G3459, DIN 17458SuperiorityHigh quality and Competitive priceApplicationfor Construction field, ships building industry,petroleum ... 30% TT in advance, 70% LC at sight.AttentionWe will supply you good quality and bottom price ... usage : Petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, corrosion resistant seamless steel ...