Hlau S275JRyog cov qauv hlau ntau yam uas ua tau raws li EN 10025-2 tus qauv. Raws li cov khoom tsis yog- alloy structural steel, nws yog feem ntau siv rau kev tsim khoom tiaj tus thiab ntev kub- cov khoom dov, nrog rau cov khoom ua tiav.
Hlau S275JR
Kab lus no qhia txog nws cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab cov peev txheej vuam, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau ntau yam kev tsim kho thiab tshuab-cov haujlwm tsim. GNEE Steel, koj tus neeg muag khoom txhim khu kev qha, muaj S275JR hauv ntau hom ntawv thiab ua kom zoo siab - xa khoom zoo rau koj qhov project xav tau.
Tshuaj muaj pes tsawg leeg ntawm S275JR Steel
Cov tshuaj muaj pes tsawg leeg ntawm S275JR steel yog qhov tseem ceeb rau nws cov kev ua tau zoo thiab kev siv tau hauv ntau daim ntawv thov. Hauv qab no yog cov ncauj lus kom ntxaws tsom xam raws li EN 10025-2 tus qauv:
| Lub ntsiab | Cov ntsiab lus siab tshaj (%) |
|---|---|
| C (Carbon) | Tsawg dua lossis sib npaug li 0.21 |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 1.50 |
| P (phosphorus) | Tsawg dua lossis sib npaug li 0.035 |
| S (Sulfur) | Tsawg dua lossis sib npaug li 0.035 |
| N (Nitrogen) | Tsawg dua lossis sib npaug li 0.012 |
| Cu (kwv yees) | Tsawg dua los yog sib npaug li 0.55 |
Cov tshuaj muaj pes tsawg leeg ua kom muaj kev sib npaug ntawm lub zog thiab kev ua haujlwm, ua rau S275JR yog qhov kev xaiv zoo tshaj plaws rau kev ua haujlwm zoo.
Mechanical Properties ntawm S275JR Steel
Kev nkag siab txog cov khoom siv kho tshuab yog qhov tseem ceeb rau kev txiav txim siab qhov tsim nyog ntawm S275JR steel rau ntau yam kev thauj khoom-cov ntaub ntawv kabmob. Hauv qab no yog lub zog tawm los thiab lub zog txwv raws li nominal thickness:
| Nominal Thickness (hli) | Yam tsawg kawg nkaus tawm lub zog (MPa) | Lub zog txwv (MPa) |
|---|---|---|
| < 3 | 275 | 430-580 |
| Ntau dua lossis sib npaug li 3 Tsawg dua lossis sib npaug rau 16 | 275 | 410-560 |
| >16 Tsawg dua lossis sib npaug li 40 | 265 | 410-560 |
| >40 Tsawg dua lossis sib npaug li 63 | 255 | 410-560 |
| >63 Tsawg dua lossis sib npaug li 80 | 245 | 410-560 |
| >80 Tsawg dua los yog sib npaug rau 100 | 235 | 410-560 |
| >100 Tsawg dua los yog sib npaug rau 150 | 225 | 400-540 |
| >150 Tsawg dua lossis sib npaug li 200 | 215 | 380-540 |
| >200 Tsawg dua los yog sib npaug rau 250 | 205 | 380-540 |
| >250 Tsawg dua los yog sib npaug rau 400 | 195 | 380-540 |
Cov kev txwv lub zog yog tsim los ua kom haum rau ntau qhov tuab, ua rau S275JR yog qhov kev xaiv txhim khu kev qha rau kev siv steel hlau.
S275JR Steel Analogues
Steel qib S275JR muaj qhov sib npaug hauv ntau lub teb chaws. Cov analogues no yog qhov tseem ceeb thaum muab khoom lossis sib piv cov qib steel:
Lub teb chaws Yelemees: St44-2
Fabkis: E28-2
ua: 43b
Teb chaws Europe (Outdated): Fe430B
Sweden: 1412-00
Norway: NWS 12142
Cov kev sib npaug thoob ntiaj teb no muab kev yooj yim thaum nrhiav S275JR rau cov haujlwm thoob plaws cheeb tsam sib txawv.
Kev siv ntawm S275JR Steel
S275JR steel feem ntau yog siv rau hauv kev tsim cov welded thiab riveted steel qauv. Nws muaj peev xwm tiv taus cov khoom nruab nrab ua rau nws zoo tagnrho rau lub tshuab- tsim cov ntawv thov xws li bushings, shafts, thiab axles. S275JR feem ntau pom muaj nyob rau hauv cov txuas hniav, cov tsev, thiab cov qauv kev lag luam vim nws zoo heev weldability thiab ductility.
Vuam Muaj peev xwm ntawm S275JR Steel
Ib qho ntawm cov yam ntxwv tseem ceeb ntawm S275JR steel yog nws cov weldability. Nws tuaj yeem welded yam tsis muaj kev txwv, thiab vuam tuaj yeem nqa tawm yam tsis muaj preheating thiab tsis tas yuav tsum tau kho cua sov tom ntej. Qhov no ua rau S275JR yog qhov kev xaiv zoo rau cov haujlwm uas xav tau kev hloov pauv sai thiab siv tau zoo.
Hauv cov ntsiab lus, S275JR steel muaj qhov sib npaug zoo ntawm lub zog, ductility, thiab weldability, ua rau nws tsim nyog rau ntau yam ntawm cov qauv thiab tshuab- tsim daim ntawv thov.
Ntawm GNEE Steel, peb ua kom cov khoom zoo tshaj plaws nrog cov ntawv pov thawj tag nrho, thiab peb xa S275JR steel raws sijhawm, txhua lub sijhawm.
Cov khoom siv S275JR yog dab tsi?
S275JR qib steel yogib qho yooj yim weldable tsawg carbon manganese steel nrog zoo cuam tshuam tsis kam. Cov khoom siv no feem ntau muab nkag rau hauv qhov tsis kho lossis tsis zoo. Machinability ntawm cov khoom no zoo ib yam li cov hlau me me.
S275JR sib npaug hauv Suav teb yog dab tsi?
S275JR EN 10025 sib npaug steel khoom hauv Suav teb yogq275 ua. S275JR EN 10025 sib npaug steel Q275 yog Suav cov khoom siv hlau, uas nws lub zog qis kawg nkaus yog 275 MPa.
Puas yog S275JR kub dov?
2500 x 1250 x 6mm Kub Rolled Phaj - S275JR yog cov qauv hlau phaj ua rau BS EN 10025-2 tus qauv.Tsim los siv cov txheej txheem kub dov, cov phaj no muaj cov qauv zoo heev, weldability, thiab lub zog, ua rau nws haum rau ntau yam kev tsim thiab kev siv cov qauv.
S235JR sawv cev rau dab tsi?
Tsab ntawv S stands rau tias cov hlau phaj yog cov qauv. Tus naj npawb 235 qhia tias steel lub zog tawm los. Tsab ntawv JR txhais tau hais tias cov qib steel tau dhau los ntawm Charpy cuam tshuam kev xeem thiab yog qhov zoo. S235JR yog qhov tshwj xeeb muab rau nws, nrog rau txhua lub cim qhia qee yam txawv.