Dab tsi yog qhov sib txawv ntawm Q345B Tube thiab Q420B Tube
Muaj qee qhov sib txawv ntawm Q345B Tube thiab Q420B Tube nyob rau hauv cov nqe lus ntawm cov tshuaj muaj tshuaj, cov khoom siv mechanical thiab daim ntawv thov:
Tshuaj lom neeg cov tshuaj:
Q345B Tube muaj cov ntsiab lus txo qis, nrog cov ntsiab lus carbon txog li {}}. 18%}. 50% thiab 1.7% feem.
Q42 {{0 b raje b raje muaj cov ntsiab lus ntau dua, nrog cov ntsiab lus carloy, nrog cov ntsiab lus carlicon thiab cov ntsiab lus manganese ntawm 0.55% feem. Ib qho ntxiv, Q420b raj kuj tseem yuav muaj cov khoom xws li NB, V thiab TI txhawm rau txhim kho lub zog thiab cov khoom siv tsis tau.
Cov Khoom Siv Neeg Kho Tshuab:
Lub zog tensile ntawm Q345B raj yog nruab nrab ntawm {1}} mpa mpa mpa mpa, thiab elongation yog li 17%.
Lub zog tensile ntawm Q420B Tube muaj ntau dua, nruab nrab ntawm {} mpa} mpa cia li tsis muaj 420mpa, thiab lub elongation yog li 18%. Q420B Tube yog qhov zoo dua Q345B Tube nyob rau hauv cov nqe lus ntawm lub zog ua tau zoo.
Chaw Thov:
Q345b kav yog dav siv nyob rau hauv cov choj, tsheb, nkoj, cov tuam tsev, thiab lwm yam vim lawv qhov kev ua tau zoo thiab qhov kub kub.
Q420B kav yog tsuas yog siv los tsim cov qauv hlau thiab cov khoom siv hlau, tshuaj ntsuab, thiab engineering thiab lub zog zoo.
Hauv cov ntsiab lus, Q420B kav yog zoo dua rau Q345B kav hauv lub zog thiab kav ntev, thiab haum rau cov ntawv thov tau xav tau ntau yam. Koj tuaj yeem xaiv cov yeeb nkab tsim ntau dua raws li koj cov phiaj xwm phiaj xwm. Yog tias koj tsis paub meej tias hom steel yeeb nkab los xaiv, thov hu rau peb thiab peb yuav pom zoo rau cov yeeb nkab ntau tsim rau koj.