30CrMo alloy kila paipu i kalapona maʻiʻo o 0.26 ~ 0.34, silika maʻiʻo o 0.17 ~ 0.37, manganese maʻiʻo o 0.40 ~ 0.70, molybdenum maʻiʻo o 0.15 ~ 0.25, chromium maʻiʻo o 0.80 ~ 1.10.
ʻO ke kūlana hoʻokō no nā paipu paila haʻahaʻa: GB3087-1999 mau paipu kila maʻemaʻe no nā paila haʻahaʻa a me waena.
ʻO ke kiʻekiʻe wela prefabricated i kanu pono ʻia ka paipu insulation he ʻano o ke kanu pono ʻana i ka paipu insulation prefabricated me ka hana insulation maikaʻi, palekana a me ka hilinaʻi a me ke kumu kūʻai haʻahaʻa.
He ʻāpana hakahaka ka paipu kila a ʻoi aku ka nui o kona lōʻihi ma mua o ke anawaena a i ʻole ke anapuni o ke kila. E like me ke ʻano o ka ʻāpana, ua māhele ʻia i loko o ka pōʻai, square, rectangular a me nā paipu kila kūikawā; E like me ka mea, ua maheleia i kalapona structural kila paipu, haʻahaʻa alloy structural kila paipu, alloy kila paipu a composite kila paipu.
ʻO ke kila kila kila he ʻano hao lōʻihi. No ka mea, he huinaha ka pauku, ua kapaia ka paipu huinahalike. Hoʻohana ʻia ka nui o nā pipelines e lawe i nā wai, e like me ka aila, ke kinoea maoli, ka wai, ke kinoea, ka mahu, etc.
I loko o ka moʻo paipu kila maʻemaʻe, aia kahi mea i kapa ʻia ʻo Q345B seamless steel pipe, nona ka moʻo haʻahaʻa haʻahaʻa. Ma waena o nā mea haʻahaʻa haʻahaʻa, ʻo kēia mea ka mea maʻamau. Q345B paipu kila maʻemaʻe i kapa ʻia ʻo 16Mn paipu kila ʻole.
ʻO nā ʻāina nui e lawe mai ana i nā paipu boiler ʻo Iapana a me Kelemānia. ʻO nā kikoʻī o nā huahana i lawe pinepine ʻia ʻo 15914.2mm; 2734.0mm; 219.110.0mm; 41975mm; 406.460mm, etc. ʻO ka palena iki he 31.84.5mm, a ʻo ka lōʻihi he 5 ~ 8m.
ʻO ka manaʻo o ke kiʻekiʻe kiʻekiʻe o ka hoʻoheheʻe ʻana i ka brittleness o ka puʻupuʻu kukui pololei i manaʻo ʻia ʻo ia ka hopena o ka hoʻokaʻawale ʻana o nā mea haumia e like me ka phosphorus, tin, antimony a me arsenic ma ka palena o ka palaoa austenite kumu, ka hopena i ka embrittlement palena o ka palaoa.
ʻO 16Mn he kila hoʻolālā ikaika haʻahaʻa haʻahaʻa: ʻo ka maʻi kalapona he 0.1% - 0.25%, a ua hoʻohui ʻia nā mea hao nui manganese, silicon, vanadium, niobium a me titanium; ʻO ka nui o kāna mau mea i hoʻohuihui ʻia ma lalo o 3%.
(1) Loaʻa nā māka kila kila kila kiʻekiʻe me 20g, 20mng a me 25mng.
(2) Alloy structural steel grades: 15mog, 20mog, 12crmog, 15CrMoG, 12CR2MOG, 12crmovg, 12Cr3MoVSiTiB, etc.
ʻO loko epoxy outer polyethylene anticorrosive steel pipe he ʻano hou o ka paipu hoʻohuihui kila kila. Hoʻokumu ʻia ia me ka substrate paipu kila, ka uhi i loko o ka resin epoxy a me ka uhi waho polyethylene.
ʻO ka paipu kila maʻemaʻe ka lōʻihi o ke kila me ka ʻāpana puha a ʻaʻohe hui a puni. Loaʻa i ka ʻāpana hollow ka paipu kila ʻole a hiki ke hoʻohana ʻia e like me ka pipeline no ka lawe ʻana i ka wai, e like me ka pipeline no ka lawe ʻana i ka aila, ke kinoea maoli, ke kinoea, ka wai a me kekahi mau mea paʻa. Ke hoʻohālikelike ʻia me ke kila paʻa e like me ke kila poepoe, ua like ka ikaika flexural a me ka torsional a me ke kaumaha māmā. He kila pauku waiwai.