(I) Carbon steel seamless steel kav
| txheem | Standard Code | Qib | Daim ntawv thov | Kuaj |
| GB / T8163 | Seamless steel yeeb nkab rau kev thauj mus los | 10, 20, Q345 | Roj, roj thiab pej xeem xov xwm nrog tsim kub tsawg dua 350 ℃ thiab siab dua 10MPa | |
| wb 3087 | Seamless steel raj rau qis thiab nruab nrab siab boilers | 10, 20 thiab lwm yam. | Superheated chav thiab boiling dej los ntawm qis thiab nruab nrab siab boilers, thiab lwm yam. | |
| wb 9948 | Seamless steel yeeb nkab rauroj av tawg | 10, 20 thiab lwm yam. | Nws tsis tsim nyog siv GB / T8163 steel kav. | Expanding, cuam tshuam |
| GB5310 | Seamless steel raj rau kev kub siab boiler | 20g lwm. | Superheated chav nruab nrab rau kev kub siab boilers | Expanding, cuam tshuam |
| wb 6479 | High-pressure seamless steel yeeb nkab raucov khoom siv chiv | 10, 20G, 16Mn thiab lwm yam. | Cov khoom siv roj thiab roj nrog tsim kub ntawm -40 ~ 400 ℃ thiab tsim siab ntawm 10.0 ~ 32.0MPa | Expanding, cuam tshuam, qis kub cuam tshuam toughness |
| GB / T9711 | Cov txheej txheem xa khoom rau cov kav dej steel rau kev lag luam roj thiab roj |
Kev tshuaj xyuas: Feem ntau, cov kav dej steel rau kev thauj mus los ntawm cov kua dej yuav tsum tau soj ntsuam cov tshuaj muaj pes tsawg leeg, kev ntsuas tensile, kev ntsuas flattening thiab ntsuas dej siab. Ntxiv rau qhov kev ntsuam xyuas uas yuav tsum tau ua ntawm cov kav dej steel rau kev thauj mus los, cov kav hlau steel ntawm GB5310, GB6479 thiab GB9948 kuj tseem yuav tsum tau ua kom dhau mus rau qhov kev sim nthuav dav thiab qhov cuam tshuam; qhov kev tshuaj xyuas kev tsim khoom rau peb cov kav hlau steel no kuj nruj heev. GB6479 tus qauv kuj tseem ua rau cov kev cai tshwj xeeb rau qhov kub thiab txias cuam tshuam rau cov khoom siv. Ntxiv nrog rau cov kev ntsuas dav dav rau cov kav hlau rau kev thauj mus los, cov kav hlau steel ntawm GB3087 tus qauv kuj tseem yuav tsum tau kuaj xyuas qhov txias txias. Ntxiv rau qhov kev sim dav dav rau cov kav dej steel rau kev thauj mus los, cov kav hlau steel ntawm GB / T8163 tus qauv yuav tsum tau ua kom dhau mus kuaj kev nthuav dav thiab kev ntsuas txias txias raws li kev pom zoo. Kev tsim khoom yuav tsum tau ua rau ob lub kav dej no tsis yog nruj li thawj peb. Kev tsim khoom: Cov kav hlau ntawm GB / T / 8163 thiab GB3087 cov qauv feem ntau yog smelted los ntawm qhib-hearth rauv los yog converter, thiab lawv cov impurity Cheebtsam thiab sab hauv tsis xws luag yog ntau dua. GB9948 feem ntau yog smelted los ntawm hluav taws xob rauv. Feem ntau ntawm lawv tau ntxiv cov txheej txheem refining sab nraum lub qhov cub, thiab qhov muaj pes tsawg leeg thiab sab hauv tsis zoo kuj tsawg. GB6479 thiab GB5310 tus qauv lawv tus kheej tau teev cov kev cai rau kev ua kom zoo rau sab nraum lub qhov cub, nrog rau cov khoom tsis huv thiab qhov tsis xws luag, thiab cov khoom siv zoo tshaj plaws. Cov qib kev tsim khoom ntawm cov txheej txheem steel yeeb nkab saum toj no yog nyob rau hauv kev txiav txim los ntawm qis mus rau siab: GB / T8163
(II) Tsawg alloy steel seamless steel kav Nyob rau hauv cov khoom siv petrochemical, feem ntau siv chromium-molybdenum steel thiab chromium-molybdenum-vanadium steel seamless steel yeeb nkab qauv yog GB9948 "Seamless steel kav rau roj av tawg" GB6479 "High-pressure seamless steel kav GBT5Seamless steel yeeb nkab" GB9948 muaj chromium-molybdenum steel cov ntaub ntawv qib: 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo, thiab lwm yam GB6479 muaj chromium-molybdenum steel khoom qib: 12CrMo, 15CrMo, 1Cr5Mo, thiab lwm yam GB / T530 steel muaj chromium-molybdenum thiab lwm yam. chromium-molybdenum-vanadium steel khoom qib: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, thiab lwm yam. Ntawm lawv, GB9948 feem ntau siv, thiab cov kev xaiv xaiv yog raws li saum toj no.
Post lub sij hawm: Dec-11-2024
