Pipe ea boiler
Pipe ea boiler
tšepe e ka sehloohong
20G, 15CrMoG, 12Cr2MoG, 12Cr5MoG, 12Cr9MoG, T11, T22, T5, T22, T9, T91
maemo a tlhahiso
GB5310《seamless steel tube bakeng sa boilers e phahameng ea khatello》
ASME SA213《Seamless ferrite le austenitic alloy steel tube for boiler, super heater and heat exchanger》