- carbon steel seamless steel pipe
- 2017-01-17 09:39
- Carbon steel seamless pipe Standard;ANSI,ASTM,API,DIN,GB,JIS Material:A106 Gr A,B A53 Gr B,A333 Gr 6,A335 P11
- seamless steel pipe
- 2016-10-22 14:06
- Material quality 37mn5 or 34mn6 the grade of steel J55K55N80L80 high quality at low price welcome general customers come