Yog tias koj tab tom nrhiav kev ntseeg siabS235J2 Phajrau koj qhov kev tsim kho lossis kev tsim khoom, GNEE yog koj lub chaw tsim khoom steel. Peb cov phaj S235J2 ua raws li European tus qauv EN 10025-2 thiab muab cov khoom siv zoo heev, suav nrog cov khoom muaj zog thiab kev cuam tshuam ntawm qhov kub thiab txias.
S235J2 Phaj
Peb muab kev xa khoom sai nrog cov khoom npaj kom tau raws li koj qhov kev xav tau sai. Hauv qab no, peb qhia txog cov ntsiab lus tseem ceeb, tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab muaj qhov ntau thiab tsawg ntawm S235J2 daim hlau.
Mechanical Properties ntawm S235J2 Phaj
S235J2 daim hlau yog tsim los tiv thaiv cov khoom hnyav thiab kev ntxhov siab, ua kom muaj kev nyab xeeb thiab ua haujlwm ntev hauv kev siv cov qauv.
| Khoom | Tus nqi |
|---|---|
| Yield zog, Rp0.2 | Ntau dua lossis sib npaug li 225 MPa |
| Tensile zog | 360-510 MPa |
| Elongation, A | Ntau dua lossis sib npaug li 18% |
| Impact Zog | Zoo toughness ntawm -20 degree |
Cov txiaj ntsig tseem ceeb:
Lub zog muaj zog rau kev siv cov qauv tsim
Zoo heev elongation rau zoo ductility thiab yooj
Txhim khu kev cuam tshuam kev tiv thaiv, txawm nyob rau hauv sub- xoom kub
Tshuaj muaj pes tsawg leeg ntawm S235J2 Steel Phaj
| Element | Txwv | Chav tsev |
|---|---|---|
| C | Tsawg dua lossis sib npaug li 0.17% | % |
| Si | Tsawg dua lossis sib npaug li 0.35% | % |
| Mn | Tsawg dua lossis sib npaug li 0.65% | % |
| P | Tsawg dua lossis sib npaug li 0.030% | % |
| S | Tsawg dua lossis sib npaug li 0.030% | % |
Vim Li Cas Nws Tseem Ceeb:
Tsawg carbon cov ntsiab lus rau vuam thiab machining yooj yim
Balanced alloy muaj pes tsawg leeg rau kev pom lub zog thiab toughness
Ua raws li European cov qauv rau cov qauv hlau
Lub cev muaj zog ntawm S235J2 Steel Phaj
| Khoom | Tus nqi |
|---|---|
| Modulus ntawm Elasticity | 190-210 GPa |
| Qhov ntom | 7.85kg / m³ |
| Poisson tus ratio | 0.27–0.3 |
Ua thiab Fabrication ntawm S235J2 Phaj
S235J2 steel daim hlau paub txog lawv cov kev ua tau zoo heev, ua rau lawv zoo tagnrho rau ntau yam kev tsim khoom.
Txiav:
Nplaim txiav, laser txiav, thiab plasma txiav
Khoov:
Kub khoov thiab txias khoov
Vuam:
Electrode arc vuam, submerged arc vuam, thiab roj shielded vuam
Stamping:
Haum rau siv nyob rau hauv lub tshuab stamping rau kev tsim cov duab complex
Kev siv ntawm S235J2 Phaj
S235J2 daim hlau tau siv dav hauv ntau qhov kev lag luam vim lawv cov khoom siv kho tshuab thiab ua haujlwm tau zoo. Cov ntawv thov tseem ceeb suav nrog:
- Kev tsim kho: Siv rau kab teeb, kab, thiab lwm yam khoom siv
- Shipbuilding: Siv rau lub nkoj, decks, thiab bulkheads
- Automotive: Siv rau lub tsheb chassis, thav duab, thiab lwm yam khoom siv
- Mechanical Parts: Siv rau li qub, fasteners, thiab hnav-cov khoom tiv taus
Muaj Qhov Loj thiab Thicknesses
| Thickness (hli) | Dav (mm) | Ntev (mm) |
|---|---|---|
| 3 – 200 | 1000 – 4000 | 2000 – 12000 |
Cov yam ntxwv tseem ceeb:
Qhov ntau thiab tsawg muaj raws li kev thov
Muaj nyob rau hauv ntau yam thicknesses thiab qhov ntev
Tsim nyog rau loj - cov phiaj xwm txheej txheem
Thaum koj xav tau -zoo S235J2 Daim Hlau, GNEE yog tus mus- rau cov chaw tsim khoom. Peb muab cov ntawv pov thawj, ruaj ruaj steel daim hlau uas ua tau raws li cov qauv siab tshaj plaws rau kev siv cov txheej txheem. Tiv tauj peb hnub no rau tus nqi tshiab thiab Tshuag muaj rau S235J2 daim hlau.
Tiv tauj peb rau qhov tseeb S235J2 daim ntawv teev nqi!
Dab tsi yog cov khoom ntawm S235J2 steel?
S235J2 steel's Mechanical zog yog Yield zog ntau tshaj 225MPa, tensile zog 340-510MPa, Elongation yog 24%. Ultrasonic Test yuav tsum tau ua raws li EN10025_1. S235J2 steel (1.0117 khoom) yog cov hlau tsis-alloy carbon steel qib raws li EN 10025-2.
S235J2 khoom sib npaug yog dab tsi?
EN10025 S235J2 yog qib carbon steel nrog cov yam ntxwv zoo. Qee cov ntaub ntawv sib npaug sib npaug rau EN10025 S235J2 carbon steel phaj suav nrog: ASTM A36: Cov qauv siv dav siv hauv Asmeskas uas muaj cov khoom zoo sib xws ntawm lub zog tensile thiab lub zog tawm los.
S355J2 steel yog dab tsi?
Qhov tseem ceeb, S355J2 yog micro-alloyed structural steel uas zoo rau ntau yam kev siv tshuab engineering. Nws muaj qhov zoo heev weldability nrog max CEV=0.47 rau txhua qhov sib txawv, thiab nws feem ntau xa nrog cov ntsiab lus silicon tswj kom tso cai rau cov khoom zoo galvanizing.
Dab tsi yog qhov txawv ntawm S235 thiab S355 steel?
Piv txwv li, S355 muaj lub zog tawm los ntawm 355 MPa, uas yog 50% siab dua li ntawm S235. Txawm hais tias lub zog sib txawv, cov tshuaj muaj pes tsawg leeg ntawm S235 thiab S355 yog ze li qub