Flanges, pipe fittings Features: 1)Material: carbon steel, stainless steel 2) Standard: JIS standard, DIN standard, ASTM,GOST Flanges, pipe fittings Features:1) Material: carbon steel, stainless steel2) Standard: JIS standard, DIN standard, ASTM standard, BS standard,GOST standard3) Size: 1-24 inches 150lbs, 300lbs, 600lbs, 900lbs4) Process: casting, forging