... EN10241, ASTM A733, DIN2982TypeFull length,half length,Saddle/plain end,or according to special requestUsageConvey Water, Oil, Gas, Steam ... : conncet cali duct, water pipe, fire-fighting equipment or other gas, water ,oil and electricity connection etc. Materials ... cold galvanizing,hot galvanizing,and black Egdes: banded, beaded or plain Hydrostatic Test: Pressure Test 2.4MPa Working Pressure 1 ...