Raws li cov khoom siv hlau tseem ceeb thiab tseem ceeb rau kev tsim kho lub teb chaws kev lag luam, cov kav dej hlau seamless yog siv dav hauv cov teb xws li kev tsim kho, kev ua khoom siv, thiab kev tsim kho kav dej (kev thauj cov kua thiab cov khoom khov xws li dej, roj, roj av, thee, thiab cov pa boiler). Vim muaj ntau qhov chaw siv thiab siv sib txawv, nws tseem tsim nyog xaiv cov khoom siv thiab cov qauv tsim nyog thaum xaiv kom tsis txhob muaj pov tseg thiab cov yam tsis zoo.
20 # GB8163 kev thauj mus los kua dej seamless hlau yeeb nkab
Cov khoom siv yeeb nkab hlau tsis muaj seamless txhais li cas? Cov khoom siv yog qhov peb feem ntau hu ua qib, xws li 20 #, 45 #, uas sawv cev rau nws cov tshuaj lom neeg thiab cov khoom siv kho tshuab xws li lub zog tensile, lub zog tawm los, thiab tus nqi nthuav dav. Cov hauv qab no yog cov khoom siv yeeb nkab hlau tsis muaj seamless uas siv ntau, cov qauv tsim khoom thiab kev siv uas tus sau tau sau tseg.
1.GB/T8162-2018, Cov kav hlau tsis muaj qhov tsis sib xws, feem ntau yog siv rau hauv kev tsim kho vaj tse dav dav, kev ua khoom siv kho tshuab, kev tsim kho thiab lwm yam teb. Cov ntaub ntawv sawv cev: 20 #, 45 #, q345b, 40Cr, 42CrMo, thiab lwm yam.;
2.GB/T8163-2018, cov yeeb nkab hlau tsis muaj seamless rau kev thauj mus los kua dej, feem ntau yog siv rau hauv cov haujlwm raj xa dej nrog qhov siab qis. Cov khoom siv sawv cev: 20 #, q345b;
45 # GB8162 cov yeeb nkab hlau tsis muaj kab
3.GB/T3087-2017, cov kav hlau tsis muaj hlau uas tsis muaj zog thiab nruab nrab, feem ntau yog siv los tsim ntau yam qauv ntawm cov kav dej kub hnyiab, cov kav dej npau rau cov kav dej kub hnyiab thiab nruab nrab, thiab cov kav dej kub hnyiab thiab cov kav dej cib rau cov kav dej locomotive. Cov ntaub ntawv sawv cev: 10 #, 20 #, Q355B;
GB5310raj boiler siab siab, khoom siv 12Cr1MovG
4.GB/T5310-2017, Cov kav hlau tsis muaj qhov sib txuas rau cov boilers siab, feem ntau yog siv los tsim cov nplaim cua sov ntawm cov raj dej boilers rau siab siab thiab siab dua. Muaj cov hlau carbon, hlau alloy thiab stainless hlau tiv taus cua sov seamless steel kav. Cov ntaub ntawv sawv cev: 20G, 15CrMoG, 12Cr1MoVG, thiab lwm yam.;
5.GB/T6479-2018, cov kav hlau tsis muaj qhov siab rau cov khoom siv chiv, feem ntau yog siv rau cov khoom siv tshuaj lom neeg thiab cov kav dej nrog qhov kub ua haujlwm ntawm -40 ~ 400 ℃ thiab qhov siab ua haujlwm ntawm 10 ~ 30 Ma. Muaj cov kav hlau carbon thiab cov hlau alloy seamless. Cov ntaub ntawv sawv cev: q345a-bcde, 20 #, 10mowvnb, 15CrMo;
6.GB/T9948-2013, cov kav hlau tsis muaj qhov sib txuas rau kev tawg roj av, feem ntau yog siv rau cov raj cua sov, cov khoom hloov pauv cua sov thiab cov kav dej hauv cov chaw ua roj av. Cov ntaub ntawv sawv cev: 10 #, 20 #, Q345, 15CrMo;
Lub sijhawm tshaj tawm: Lub Ib Hlis-04-2024
