S235JR yog cov khoom siv dav dav, qis -carbon, tsis yog- alloy structural steel (EN 10025-}2 tus qauv) paub txog nws qhov zoo weldability, ductility, thiab lub zog, tsim los ntawm qhov tsawg kawg nkaus tawm lub zog ntawm 235 MPa thiab +20℃cuam tshuam kev sim (J), ua rau nws zoo li kev tsim kho, kev tsim kho thiab kev tsim kho. daim hlau, thiab kis tau tus yees, txawm hais tias nws xav tau cov txheej txheem tiv thaiv nyob rau hauv ib puag ncig corrosive.
Cov khoom tseem ceeb
Kev faib tawm:Tsis yog - alloy structural steel.
Yield Strength (yam tsawg kawg nkaus):235 MPa (rau cov seem tuab).
Tensile zog:360-510 MPa (nws txawv nrog tuab).
Impact Zog:27 Joules ntawm 20℃(qhia los ntawm 'JR').
Weldability:Zoo heev; tuaj yeem welded yam tsis muaj ua ntej- cua sov lossis tom qab- kev kho cua sov rau feem ntau daim ntawv thov.
Kev sib xyaw:Cov ntsiab lus qis carbon tsawg (max ~ 0.17%), nrog tswj cov nyiaj Manganese, Phosphorus, Sulfur, thiab tooj liab.
Daim ntawv thov
Kev tsim kho:Cov tsev, txuas hniav, cov khoom siv.
Engineering:Machinery qhov chaw, lub zog xa hluav taws xob yees, cov khoom siv dav dav.
Fabrication:Kuv-beams, channels, angle bars, phaj, thiab kev cai CNC qhov chaw.
Qhov zoo thiab qhov tsis zoo
Pros:Tus nqi -zoo, muaj nyob rau hauv, zoo mechanical zog, weldability zoo heev.
Cons:Kev tiv thaiv corrosion qis dua li cov hlau alloy siab dua, xav tau cov txheej txheem tiv thaiv.
S235JR siv rau dab tsi?
S235JR yog ntau yam, dav dav - lub hom phiaj steel qauv dav siv hauv cov ntawv thov uas muaj zog siab tsis yog qhov yuav tsum tau ua. Nws zoo weldability, formability, thiab txhim khu kev qha mechanical zog ua rau nws ib tug nrov xaiv.
Kev Siv Tseem Ceeb ntawm S235JR:
Kev tsim kho thiab Framing: Nws yog cov khoom siv tseem ceeb rau steel thav duab ntawm cov tsev lag luam, warehouses, cov qauv lag luam, thiab thaj chaw nyob.
Heavy Machinery thiab Cov Khoom Siv: Siv rau hauv kev tsim cov hauv paus, ncej, vaj tse, kev txhawb nqa, thiab tsis yog - cov khoom tseem ceeb rau kev ua liaj ua teb, mining, thiab kev lag luam machinery.
Infrastructure thiab Supports: Feem ntau siv rau brackets, gussets, walkways, ladders, staircases, thiab kev ruaj ntseg railings.
Kev Thauj Mus Los thiab Cia: Fabricated rau hauv lub tsheb chassis Cheebtsam, trailer thav duab, thiab shipping ntim, nrog rau cov txee thiab cia khib nyiab.
Hlau Fabrication thiab General Engineering: Ib qho mus rau- rau cov khoom siv rau cov phaj, cov ntawv, cov raj, thiab cov seem uas siv los ntawm cov chaw ua haujlwm rau ntau yam kev cai fabrications, thav duab, thiab kev txhawb nqa.
Kev txwv tseem ceeb:
S235JR tsis yog corrosion-resistant lossis huab cua-resistant. Rau kev siv sab nraum zoov lossis nthuav tawm, nws yuav tsum muaj cov txheej txheem tiv thaiv xws li xim, galvanization, lossis lwm yam kev kho mob los tiv thaiv xeb.
Chemical Composition Ntawm Steel S235JR
|
C |
Mn |
P |
S |
N |
Cu |
|
Tsawg dua lossis sib npaug li 0.17 |
Tsawg dua lossis sib npaug li 1.40 |
Tsawg dua lossis sib npaug li 0.035 |
Tsawg dua lossis sib npaug li 0.035 |
Tsawg dua lossis sib npaug li 0.12 |
Tsawg dua los yog sib npaug li 0.55 |
Mechanical Properties Ntawm S235JR Steel Ntawm Chav Kub
|
Nominal thickness (hli) |
Yam tsawg kawg nkaus yield zog, ReN, MPa |
Lub zog txwv, Rm (MPa) |
|
Tsawg dua los yog sib npaug li 16 |
235 |
360-510 |
|
>16 Tsawg dua lossis sib npaug li 40 |
225 |
360-510 |
|
>40 Tsawg dua los yog sib npaug rau 100 |
215 |
360-510 |
|
>100 Tsawg dua los yog sib npaug rau 150 |
195 |
350-500 |
|
>150 Tsawg dua los yog sib npaug li 200 |
185 |
340-490 |
|
>200 Tsawg dua los yog sib npaug rau 250 |
175 |
340-490 |
|
>250 Tsawg dua los yog sib npaug rau 400 |
165 |
330-480 |
S235JR yog dab tsi?
S235JR yog ib qho tsis yog - alloy structural steel qib raws li European tus qauv EN 10025-2, paub txog nws qhov tsawg kawg nkaus tawm los ntawm 235 MPa.
Cov tshuaj muaj pes tsawg leeg ntawm S235JR steel yog dab tsi?
Nws cov khoom muaj xws li max 0.17% Carbon, max 1.40% Manganese, thiab tswj qib ntawm phosphorus thiab sulfur.
Lub zog tawm los ntawm S235JR yog dab tsi?
Qhov tsawg kawg nkaus lub zog ntawm S235JR steel yog 235 Megapascals (MPa).
Qhov txawv ntawm S235JR thiab S235J0 yog dab tsi?
Qhov sib txawv tseem ceeb yog nyob rau hauv kev cuam tshuam toughness ntawm qis kub; S235JR raug kuaj ntawm +20 degree, thaum S235J0 raug kuaj ntawm 0℃.
Puas yog S235JR sib npaug rau A36?
S235JR yog ib qho zoo sib xws - lub hom phiaj steel qauv rau ASTM A36, tab sis lawv yog los ntawm cov qauv sib txawv thiab muaj qhov sib txawv me me ntawm cov khoom.
Dab tsi yog qhov ceev ntawm S235JR steel?
Qhov ceev ntawm S235JR yog kwv yees li 7.85 grams ib cubic centimeter (g / cm³), tib yam li feem ntau carbon steels.
S235JR puas tuaj yeem welded?
Yog lawm, S235JR muaj qhov zoo weldability siv cov qauv zoo li SMAW, MIG, thiab MAG yam tsis tas yuav tsum tau ua ntej- cua sov hauv ib txwm muaj.
S235JR siv rau dab tsi?
Nws yog dav siv nyob rau hauv kev tsim kho, steel ncej, machinery Cheebtsam, thiab ntau yam kev siv.
Lub 'JR' txhais li cas hauv S235JR?
Lub 'JR' qhia txog Charpy V-notch cuam tshuam lub zog xav tau ntawm chav tsev kub (+20 degree), uas yog 27 Joules yam tsawg kawg nkaus.
Puas yog S235JR corrosion resistant?
Tsis yog, S235JR tsis yog corrosion{1}} qib resistant. Nws yog ib qho uas tsis yog- alloy carbon hlau thiab yuav tsum muaj cov txheej txheem tiv thaiv xws li xim lossis galvanization rau kev siv sab nraum zoov.
Tag nrho cov specification thiab cov ntsiab lus muaj nyob rau ntawm kev thov. Cov ntaub ntawv saum toj no yog muab rau kev taw qhia nkaus xwb. Rau kev tsim tshwj xeeb thov hu rau peb cov neeg ua haujlwm muag khoom.
