Standard: ASTM, DIN, JIS, GB Standards Productivity: 600t/Month Unit Price/Payment: T/T, L/C AT SIGHT HS Code: 7219220 Product DescriptionSquare steel Material: Carbon steel, alloy steel, stainless steel Diameter: 200mm-950mm Process: EAF+LF+VD+forged UT: To SEP 1921 C\c, D/d ISO 9001 quality control High qulity and competitive price With GL certification