Pipa ketel
Pipa ketel
baja utama
20G, 15CrMoG, 12Cr2MoG, 12Cr5MoG, 12Cr9MoG, T11, T22, T5, T22, T9, T91
standar produksi
GB5310 《tabung baja mulus kanggo boiler tekanan tinggi》
ASME SA213 《Seamless ferrite and austenitic alloy steel tube for boiler, super heater and heat exchanger》