1) Material: Alloy steel, Carbon steel, etc. 2) Standard: ASTM, EN, DIN, JIS, GB, etc. 3) Low price and ... best service. Our product line adopt standard with ASME, DIN, GB, EN, etc. The material contain various ... (mm)Coaxial tolerance(mm)φ100~φ15001.60.10.08 forged flanges