Dab tsi yog qhov txawv ntawm S355J2H, S355J0H thiab S355JRH
S355J2H, S355J0H, thiab S355JRHyog txhua yam ntawm cov yeeb nkab steel uas feem ntau siv rau hauv kev tsim kho thiab engineering tej yaam num. Txawm hais tias peb cov ntaub ntawv no yuav zoo sib xws, muaj qee qhov sib txawv ntawm lawv.
Chemical Element Cov ntsiab lus:
1. S355J2H steel muaj cov pa roj carbon, silicon, manganese, phosphorus, thiab sulfur ntsiab nyob rau hauv cov proportions.
Cov ntsiab lus carbon nyob rau hauv cov khoom no yog nyob nruab nrab ntawm {{0}}.22% mus rau 0.55%,
Silicon cov ntsiab lus nyob nruab nrab ntawm 0.5% mus rau 1.6%,
Manganese cov ntsiab lus yog 1.6%.
Cov ntsiab lus sulfur thiab phosphorus yog khaws cia nyob rau theem qis kom txhim kho weldability.
2. S355J0H hlau, ntawm qhov tod tes, kuj muaj cov pa roj carbon, silicon, manganese, phosphorus, thiab sulfur ntsiab tab sis nyob rau hauv qhov sib txawv me ntsis.
Cov ntsiab lus carbon nyob nruab nrab ntawm {{0}}.22% txog 0.22%,
Silicon cov ntsiab lus nyob nruab nrab ntawm 0.5% mus rau 1.6%, thiab cov ntsiab lus manganese yog 1.6%.
Cov ntsiab lus sulfur thiab phosphorus yog khaws cia nyob rau theem qis rau kev txhim kho vuam.
3. S355JRH steel muaj cov pa roj carbon, manganese, silicon, thiab phosphorus ua yam tseem ceeb.
Cov ntsiab lus carbon nyob rau hauv cov khoom no nyob nruab nrab ntawm {{0}}.22% mus rau 0.24%,
Manganese cov ntsiab lus ntawm 1.3% mus rau 1.5%.
Silicon cov ntsiab lus nyob nruab nrab ntawm 0.5% mus rau 1.6%,
Cov ntsiab lus phosphorus khaws cia nyob rau theem qis rau kev txhim kho vuam.
Ua qhov sib txawv ntawm qhov kub thiab txias:
1. S355J2H: Ua nyob rau ntawm qhov kub ntawm 20 degrees Celsius, cuam tshuam lub zog yuav tsum tau ntawm 20 degree Ntau tshaj los yog sib npaug rau 27J. "2" txhais tau tias 20 degrees Celsius.
2. S355J0H: Ua nyob rau hauv qis dua ntawm 0 degrees Celsius, cuam tshuam lub zog yuav tsum tau ntawm 0 degree Ntau tshaj lossis sib npaug rau 27J. "0" txhais tau tias 0 degrees Celsius.
3. S355JRH: Ua los ntawm minus ntawm qhov kub thiab txias, cuam tshuam lub zog yuav tsum tau ntawm lub cev kub ntau dua lossis sib npaug rau 27J. "R" txhais tau tias qhov kub thiab txias.
Yield zog:
1. S355J2H yog cov yeeb nkab zoo steel uas muaj qhov tsawg kawg nkaus yield zog ntawm 355 N / mm².
2. S355J0H yog lwm hom steel yeeb nkab uas muaj qhov tsawg kawg nkaus yield zog ntawm 355 N / mm².
3. S355JRH yog cov yeeb nkab uas muaj zog ntau dua uas muaj qhov tsawg kawg nkaus lub zog ntawm 355 N / mm².
Tensile zog:
1. S355J2H muaj lub zog tensile yam tsawg kawg nkaus ntawm 510 N / mm².
2. S355J0H muaj lub zog tensile yam tsawg kawg nkaus ntawm 510 N / mm².
3. S355JRH muaj lub zog tensile yam tsawg kawg nkaus ntawm 360 N / mm².
Qhov zoo:
1. S355J2H: Qib steel no paub txog nws lub zog siab thiab zoo weldability. Nws yog feem ntau siv hauv kev tsim kho los muab kev txhawb nqa rau cov khoom hnyav. S355J2H steel kav kuj yog corrosion-resistant, ua rau lawv zoo tagnrho rau siv nyob rau hauv hnyav ib puag ncig.
2. S355J0H: S355J0H steel kav yog paub txog lawv cov kev cuam tshuam siab, ua rau lawv tsim nyog siv rau hauv cov ntawv thov uas yuav tsum muaj lub zog siab. Lawv kuj paub txog lawv cov weldability zoo thiab cov ntsiab lus carbon tsawg, uas ua rau lawv tsim nyog siv rau hauv cov ntawv thov uas yuav tsum tau hnav tsis tau cov ntaub ntawv muaj zog.
3. S355JRH: Qib no ntawm cov hlau yog paub txog nws cov ductility zoo thiab siab tiv thaiv kev poob siab thiab kev co. Nws feem ntau yog siv rau hauv cov ntawv thov uas yuav tsum tau muaj kev ua haujlwm siab thiab tawv, xws li hauv kev tsim cov choj thiab cov tsev.
Daim ntawv thov:
1. S355J2H: Cov khoom siv no feem ntau siv rau hauv cov qauv siv thiab paub txog nws qhov zoo heev toughness thiab weldability. S355J2H steel kav feem ntau yog siv rau hauv kev tsim kho thiab engineering tej yaam num uas yuav tsum tau muaj qib siab ntawm lub zog thiab kav ntev.
2. S355J0H: Cov khoom siv no feem ntau yog siv rau hauv cov ntawv thov kub qis thiab paub txog nws qhov kev cuam tshuam zoo. S355J0H steel kav feem ntau yog siv rau hauv cov ntawv thov uas qhov kub hloov pauv tsawg tsawg thiab yuav tsum muaj kev cuam tshuam siab.
3. S355JRH: Cov khoom siv no feem ntau yog siv rau hauv cov ntawv thov uas yuav tsum muaj lub zog siab, xws li hauv kev tsim cov choj lossis cov phiaj xwm loj. S355JRH steel kav tau paub txog lawv cov khoom siv kho tshuab zoo heev thiab feem ntau siv rau hauv cov qauv siv uas yuav tsum tau muaj zog thiab kav ntev.
Zuag qhia tag nrho, S355J2H, S355J0H, thiab S355JRH yog tag nrho cov kav hlau zoo uas tsim nyog rau ntau yam kev tsim kho thiab kev siv engineering. Txawm hais tias cov ntaub ntawv no yuav txawv me ntsis hauv lawv cov khoom siv kho tshuab, lawv txhua tus muaj lub zog zoo, toughness, thiab durability, ua rau lawv xaiv zoo tshaj plaws rau ntau qhov haujlwm.
