30CrMo alloy ígwè ọkpọkọ nwere carbon ọdịnaya nke 0.26 ~ 0.34, silicon ọdịnaya nke 0.17 ~ 0.37, manganese ọdịnaya nke 0.40 ~ 0.70, molybdenum ọdịnaya nke 0.15 ~ 0.25, chromium ọdịnaya nke 0.80 ~ 1.10.
Ọkọlọtọ Executive maka ọkpọkọ ọkpọ mmiri na obere nrụgide: GB3087-1999 ọkpọkọ igwe anaghị agba nchara maka ndị na-ekpo ọkụ ọkụ dị ala na nke ọkara.
Elu okpomọkụ prefabricated ozugbo e liri mkpuchi mkpuchi bụ ụdị ozugbo e liri prefabricated mkpuchi ọkpọkọ nwere ezigbo mkpuchi arụmọrụ, nchekwa na ntụkwasị obi na ala oru ngo na-eri.
Ọkpụkpụ ígwè nwere akụkụ oghere na ogologo ya dị nnọọ ukwuu karịa dayameta ma ọ bụ gburugburu nke ígwè. Dị ka akụkụ nke akụkụ ahụ si dị, a na-ekewa ya n'ime okirikiri, square, akụkụ anọ na ọkpọkọ ígwè pụrụ iche; Dị ka ihe onwunwe si dị, ọ na-ekewa n'ime carbon structural ígwè ọkpọkọ, ala alloy structural ọkpọkọ, alloy ígwè ọkpọkọ na mejupụtara ígwè ọkpọkọ.
Igwe anaghị agba nchara square tube bụ ụdị oghere ogologo ígwè. N'ihi na ngalaba ahụ bụ square, a na-akpọ ya tube square. A na-eji ọnụ ọgụgụ buru ibu nke pipeline na-ebufe mmiri mmiri, dị ka mmanụ, gas, mmiri, gas, uzuoku, wdg.
N'ime usoro ọkpọkọ igwe anaghị agba nchara, enwere ihe a na-akpọ Q345B igwe anaghị agba nchara, nke bụ nke usoro alloy dị ala. N'ime ihe ndị dị ala ala, ihe a bụ ihe a na-ahụkarị. Q345B enweghị nkebi ígwè ọkpọkọ na-eji na-akpọ 16Mn enweghị nkebi ígwè ọkpọkọ.
Mba ndị na-ebubata mmiri ọkụ bụ Japan na Germany. Nkọwa nke ngwaahịa ndị a na-ebubata ugboro ugboro bụ 15914.2mm; 2734.0mm; 219.110.0mm; 41975mm; 406.460mm, wdg The kacha nta nkọwapụta bụ 31.84.5mm, na ogologo bụ n'ozuzu 5 ~ 8m.
A na-ewerekarị ihe dị mkpa nke oke okpomọkụ tempering brittleness nke ziri ezi na-egbuke egbuke tube dị ka n'ihi nkewa nke adịghị ọcha dị ka phosphorus, tin, antimony na arsenic na mbụ austenite ọka ókè, na-akpata na ọka ókè embrittlement.
16Mn bụ obere alloy elu-ike structural ígwè: carbon ọdịnaya bụ 0.1% - 0.25%, na isi alloy ọcha manganese, silicon, vanadium, niobium na titanium na-agbakwunyere; Ngụkọta alloy ọdịnaya ya erughị 3%.
(1) High mma carbon structural ígwè akara ule gụnyere 20g, 20mng na 25mng.
(2) Alloy structural ígwè akara ule: 15mog, 20mog, 12crmog, 15CrMoG, 12CR2MOG, 12crmovg, 12Cr3MoVSiTiB, wdg
Inner epoxy elu polyethylene anticorrosive ígwè ọkpọkọ bụ ọhụrụ ụdị ígwè plastic mejupụtara ọkpọkọ. Ihe mejupụtara ya bụ ntụ ọkpọkọ igwe, mkpuchi resin n'ime epoxy na mkpuchi elu polyethylene.
Ọkpụkpụ nchara na-enweghị ntụpọ bụ eriri igwe ogologo nke nwere akụkụ oghere na enweghị njikọ gburugburu ya. Ọkpụkpụ nchara enweghị nkebi nwere ngalaba oghere ma enwere ike iji ya dị ka pipeline maka ibufe mmiri, dị ka pipeline maka ibufe mmanụ, gas, gas, mmiri na ụfọdụ ihe siri ike. E jiri ya tụnyere ígwè siri ike dị ka nchara gburugburu, ọkpọkọ nchara na-enweghị nkebi nwere otu ike na-agbanwe agbanwe na torsional na ịdị arọ. Ọ bụ akụkụ akụ na ụba ígwè.