Sign In | Join Free | My ccnmag.com |
|
ASTM A53 GR.B / API 5L Gr. B ERW Steel Pipe Zinc Coating 60-130g/m2 O.D 20-219mm O.D Tolerance ±0.03 Length 5--12m International Stancard BV,SGS,ISO Standard ASTM-A53A,BS1387-1985,GB/T3091-2001 ...