... mild steel, low carbon steel, stainless steel,ANSI B36.10 pipe carbon and alloy steels Applications and Features :We are professional ... , 75mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm, 150mm, 160mm, 180mm, 200mm, 220mm, 240-350mm 2. main material: 12L14, 1215,45#, Q235 ...