Pre support materials - SGS
3.1.1 Steel pipe S235 for Tube Spiles (Fore poling pipe)
SGS-TK-16-03180X
3.1.2 S235 steel pipe for Umbrella Pipe Roof
SGS-TK-16-03181X
3.1.3 S275 steel pipe for Umbrella Pipe Roof
SGS-TK-16-03179X
3.1.4 S355 steel pipe for Umbrella Pipe Roof
SGS - TK-16-03396X