| Raw material: | carbon steel and stainless steel (ASTM A105, SS304, SS316, SS304L, SS316L) | 
| standard: | ANSI B16.5, JIS, DIN, EN1092, we also produce flanges as to customers' drawings or samples | 
| techonology: | forging | 
| size: | 1/2"-72", DN40-DN1800 | 
| type: | slip-on, lap joint, welding neck, socket welding, threaded, blind. | 
| pressure: | 150LBS, 300LBS, 600LBS, 900LBS, 1500LBS, PN10, PN16, PN25... | 
| treatment: | Primay, anti-rust oil, black painting, yellow painting, galvanized ... | 
| wall sickness: | STD, sch40, sch80, sch160... | 
| face type: | FF, RF, LJ, RTJ, TG. | 
| usage: | the flanges are used for the connection of tubes that transport water, oil, gas, etc. |