STANDARD:ELECTRIC RESISTANCE WELDING  ASTM A53 / API 5L GRB

USAGE: TRANFERRING LOW PRESSURE LIQUID / OIL AND GAS

SIZE:1/8"-24"

MANUFACTURE: BAO GANG (BAO STEEL), TIANJIN LIDA STEEL ETC., 

STANDARD: BS 1387 / ASTM A53

USAGE:OD27-OD219

THICKNESS:1.5MM - 6MM