Paipa kōhua
Paipa kōhua
maitai matua
20G, 15CrMoG, 12Cr2MoG, 12Cr5MoG, 12Cr9MoG, T11, T22, T5, T22, T9, T91
paerewa whakaputa
GB5310 《ngongo maitai tuitui mo te kōhua teitei-pēhanga》
ASME SA213 《 ferrite tuitui me te ngongo maitai koranu austenitic mo te kohua, whakamahana nui me te whakawhiti wera》