S235JR (+N)yog ib qho uas tsis yog -alloy structural steel raws li EN 10025-2, dav siv rau welded thiab bolted structural applications. Nrog rau cov khoom ruaj khov, weldability zoo heev, thiab kev ua haujlwm txias txias, S235JR yog ib qho ntawm feem ntau siv carbon structural steels thoob ntiaj teb.
S235JR (+N)
Peb npaj cov khoom loj ntawm S235JR (+N) steel daim hlau, nrog tuab txog li 200 hli, ua kom cov khoom xa tuaj sai rau ob qho tib si txheem thiab hnyav- ntu cov haujlwm.
S235JR (+N) Hlau Phaj Muaj
Peb cov phaj S235JR (+N) muaj nyob rau hauv ntau qhov loj, haum rau kev tsim, kev tsim kho, thiab kev siv engineering hnyav.
Tshuag ntau:
Thickness: 5-200 hli
Dav: mus txog 3.5 meters
Ntev: Mus txog 14 meters
Feem ntau cov phaj yog muab los ntawm European mills, feem ntau Tata Steel, ArcelorMittal, los yog Clabecq, kom ntseeg tau zoo ib yam thiab tag nrho traceability.
Cov kev xaiv pov thawj:
EN 10204 3.1
EN 10204 3.2 (muaj dav heev)
Delivery condition:
Raws li Rolled (AR)
Normalized (+ N)
S235JR Steel Qauv & Tsim
Txheem: EN 10025-2
Hlau tooj: 1.0038
Qib: S235JR (+N)
Sib npaug Steel Qib
S235JR feem ntau lees txais raws li qhov sib npaug rau cov qib thoob ntiaj teb hauv qab no:
| Txuj | Qib sib npaug |
|---|---|
| DIN EN | TSI 37-2 |
| JIS | TSI 400 |
| ASTM | A283 Qib C |
| UNI | FE 360 B |
| TS EN 10025: 1990 | FE 360 B |
| NFA 35-501 | E24-2 |
Nco tseg: Txawm hais tias cov qib no zoo sib xws, cov kev txwv tshuaj lom neeg thiab cov khoom siv hluav taws xob yuav txawv raws li tus qauv.
Tshuaj muaj pes tsawg leeg ntawm S235JR Phaj (%)
| Lub ntsiab | Max (%) |
|---|---|
| Cov pa roj carbon (C) | 0.20 |
| Manganese (Mn) | 1.40 |
| Phosphorus (P) | 0.04 |
| Sulfur (S) | 0.04 |
| Nitrogen (N) | 0.012 |
| Copper (Cu) | 0.55 |
| Carbon Equivalent (CEV) | 0.38 |
Cov ntsiab lus ntawm cov pa roj carbon tsawg thiab tswj CEV kom ntseeg tau zoo heev weldability yam tsis xav tau preheating nyob rau hauv feem ntau daim ntawv thov.
Mechanical Properties ntawm S235JR Phaj
Tensile zog (Rm)
| Nominal Thickness (hli) | Rm (MPa) |
|---|---|
| Tsawg dua los yog sib npaug 3 | 360 – 510 |
| 3 – 100 | 360 – 510 |
| 100 – 150 | 350 – 500 |
| 150 – 250 | 340 – 490 |
Yam tsawg kawg Yield Strength (ReH)
| Nominal Thickness (hli) | Hwj chim Min (MPa) |
|---|---|
| Tsawg dua los yog sib npaug li 16 | 235 |
| 16 – 40 | 225 |
| 40 – 63 | 215 |
| 63 – 80 | 215 |
| 80 – 100 | 215 |
| 100 – 150 | 195 |
| 150 – 200 | 185 |
| 200 – 250 | 175 |
Impact Test (Charpy V)
| Kev ntsuas kub | Min Impact Zog |
|---|---|
| -20 degree | 27 J |
| 0 degree | 27 J |
| +20 degree | 27 J |
Elongation Properties
Loj=80 mm
| Thickness (hli) | Min Elongation (%) |
|---|---|
| Tsawg dua los yog sib npaug li 1 | 17 |
| 1.5 – 2 | 18 |
| 2 – 2.5 | 19 |
| 2.5 – 3 | 20 |
| Ntau dua lossis sib npaug 3 | 21 |
Lo=5.65 √So
| Thickness (hli) | Min Elongation (%) |
|---|---|
| Tsawg dua los yog sib npaug li 40 | 26 |
| 40 – 63 | 25 |
| 63 – 100 | 24 |
| 100 – 150 | 22 |
| 150 – 250 | 21 |
Cov yam ntxwv tseem ceeb ntawm S235JR (+N) Steel
- Tsawg-carbon, tsis yog- alloy structural steel
- Zoo heev weldability thiab formability
- ruaj khov mechanical kev ua tau zoo thoob plaws thickness ntau yam
- Haum rau cov phaj hnyav txog li 200 mm tuab
- Muaj nrog EN10204 3.2 ntawv pov thawj
- European zeb keeb kwm ua kom zoo ib yam
Cov ntawv thov ntawm S235JR Steel Phaj
S235JR (+N) yog siv dav hauv:
Structural steel fabrication
Cov choj thiab cov tsev
Heavy machinery thav duab
Offshore thiab onshore steel qauv
Transmission towers
Crane booms, trailers, thiab lifting khoom
General engineering thiab fabrication tej yaam num
Tiv tauj peb tam sim no rau qhov tseeb S235JR steel phaj
S235JR khoom yog dab tsi?
Steel qib S235JR yog ib tug nrov kev tsim kho thiab tshuab hlau uas yog ua raws li EN 10025-2 tus qauv. Kev faib tawm:Tsis yog - alloy structural steel. Cov khoom: Semi-cov khoom tiav, cov khoom ntev thiab cov ntawv kub- cov khoom dov, hlau pas nrig thiab forgings.
S235JR steel sib npaug yog dab tsi?
ASTM A36: ASTM A36 yog ib qho American standard carbon structural steel specification, uas yog feem ntau siv nyob rau hauv cov qauv siv. Nws yog ze tshaj rau S235JR hais txog cov tshuaj muaj pes tsawg leeg.
JR sawv cev rau dab tsi hauv S235JR?
S235JR: Tsab ntawv "S" sawv cev rau "Structural," qhia tias cov hlau yog cov hlau tsim. Tus lej "235" sawv cev rau qhov tsawg kawg nkaus yield zog, piv txwv li, 235 MPa (megapascals). Lub cim "JR" yog hais txog tustoughness thiab cuam tshuam tsis kam ntawm cov hlau.
Lub zog tawm los ntawm S 235 Jr yog dab tsi?
Qib S235JR muaj qhov tsawg kawg nkaus yield zog ntawm235 MPa rau. Lub zog cuam tshuam ntawm chav tsev kub ntawm 20℃yog tsawg kawg yog 27 joules. Cov hlau ntawm qib S235JR yog qhov tsim nyog rau qis- qhov kev ntxhov siab hauv steel thiab mechanical engineering.
Puas yog S235JR yog cov hlau me me?
S235JR yog ib qib tshwj xeeb ntawm cov hlau me metxhais raws li EN 10025. Thaum nws zaum nyob rau hauv cov hlau me me, nws tau tswj cov tshuaj thiab cov khoom siv kho tshuab uas ua rau nws xav tau ntau dua li cov hlau tsis zoo lossis tsis zoo.
S235JR steel khoom yog dab tsi?
S235JR yog iblow-carbon, tsis yog- alloy structural steeltxhais los ntawm EN 10025-2 tus qauv. "S" sawv cev rau "structural," txhais tau hais tias nws yog npaj rau siv nyob rau hauv load-bearing qhov chaw ntawm lub tsev, machinery, los yog infrastructure.
Qhov txawv ntawm S235JR thiab S355JR yog dab tsi?
Yield zog:S235JR muaj lub zog nominal yield ntawm 235 MPa, thaum S355JR muaj lub zog ntau dua ntawm 355 MPa. Qhov no 50% nce nyob rau hauv lub zog tawm los ua rau S355JR muaj peev xwm tiv taus cov loads ntau dua, ua rau nws tsim nyog rau siab - cov ntawv thov kev ntxhov siab.