S235JR hlauyog cov khoom siv dav siv qis carbon steel ua raws li EN 10025-2. Raws li cov kws tshaj lij steel chaw tsim khoom thiab xa tawm, GNEE Steel muab S235JR steel daim hlau, cov ntawv txheeb, thiab cov khoom siv kho kom haum rau kev tsim kho thoob ntiaj teb thiab cov haujlwm engineering.
S235JR hlau
Hauv thawj 100 lo lus, nws yog ib qho tseem ceeb kom paub meej tias peb yog leej twg. GNEE yog ib lub chaw tsim khoom ncaj qha thiab ntev - lub sij hawm stockholder, tsis yog ib tug tub luam. Txhua S235JR steel muab los ntawm GNEE yog tsim los ntawm cov hlau tua tag nrho nrog cov khoom siv kho tshuab ruaj khov, weldability zoo heev, thiab kev tswj xyuas zoo.
Lub ntsiab lus ntawm S235JR Steel Qib
Kev nkag siab txog kev xaiv yuav pab engineers xaiv cov khoom tsim nyog.
"S"=Cov qauv hlau
"235"=Tsawg tshaj tawm lub zog ntawm 235 MPa
"JR"=Charpy V-qhov ntsuas qhov cuam tshuam ntawm 27 J ntawm +20 degree
S235JR steel yog tsim los rau kev siv cov txheej txheem ntawm qhov kub thiab txias.
S235JR Steel Sib npaug Qib (EN / DIN / ASTM)
S235JR steel muaj ntau qib sib npaug ntawm cov qauv sib txawv:
EN / EU: S235JR
DIN (Lub Tebchaws Yelemees): St37-2
SAE / AISI: 1015
Cov qib no muaj cov tshuaj lom neeg zoo sib xws thiab kev coj tus cwj pwm, ua rau S235JR yog cov khoom siv hlau thoob ntiaj teb.
Chemical Composition ntawm S235JR Steel (EN 10025-2)
Cov tshuaj muaj pes tsawg leeg ua kom zoo weldability thiab machinability.
| Element | C | Mn | Si | P | S |
|---|---|---|---|---|---|
| Max (%) | 0.17 | 1.40 | 0.35 | 0.045 | 0.045 |
Cov ntsiab lus qis qis tso cai rau S235JR steel kom yooj yim welded yam tsis muaj preheating hauv feem ntau daim ntawv thov.
Mechanical Properties ntawm S235JR Steel Phaj
Mechanical Performance ntawm S235JR Steel
| Khoom | Tus nqi |
|---|---|
| Yield zog | Ntau dua lossis sib npaug li 235 MPa |
| Tensile zog | 360-510 MPa |
| Elongation | 20–22% |
| Impact Zog | 27 J ntawm +20 degree |
| Hardness (HB) | 120-160 HB |
JR cuam tshuam qhov xav tau ntawm chav tsev kub ua rau S235JR haum rau cov qauv txheej txheem.
Cov khoom tseem ceeb ntawm S235JR Carbon Structural Steel
S235JR steel muaj qhov sib npaug ntawm kev ua tau zoo thiab tus nqi:
- Weldability zoo heev - haum rau welded qauv
- Zoo machinability - yooj yim txiav, drilling, thiab sib sau
- Tus nqi -zoo - zoo tagnrho rau cov haujlwm loj- ntim
- Zoo muaj - dav tsim thiab stocked
- Deg kho tau - corrosion kuj tuaj yeem txhim kho los ntawm kev pleev xim lossis galvanizing
Cov khoom no ua rau S235JR yog ib qho ntawm cov qauv siv ntau tshaj plaws thoob ntiaj teb.
Daim ntawv thov ntawm S235JR Steel Phaj thiab Sheet
S235JR steel yog dav siv hauv ntau qhov kev lag luam:
- Kev tsim kho & kev tsim vaj tsev (tsev, txuas hniav, infrastructure)
- Cov yam ntxwv ntawm cov khoom siv (kab, ncej, chassis qhov chaw)
- Mechanical engineering (khoom siv thiab tshuab qhov chaw)
- Automotive kev lag luam (load-cov khoom siv bearing)
- Cov kav dej thiab cov txheej txheem (dej, roj, thiab kev thauj mus los ua kua)
Ua tsaug rau nws cov ntsiab lus carbon tsawg thiab kev ua haujlwm ruaj khov, S235JR steel yog qhov kev xaiv txhim khu kev qha rau kev siv dav dav - lub hom phiaj cov qauv siv.
Vim li cas thiaj xaiv GNEE S235JR Steel
Thaum muab S235JR steel daim hlau, GNEE muaj qhov zoo meej:
- Cov khoom siv ncaj qha los ntawm cov chaw tsim khoom
- EN 10204 3.1 / Mill Test Certificate muaj
- Kev cai txiav thiab kev pabcuam
- ruaj khov zoo thiab xa khoom sai
- Kev txhawb nqa kev tshaj lij rau cov haujlwm
S235JR steel phaj yog cov khoom siv zoo tshaj plaws rau kev tsim kho thiab kev tsim vaj tsev dav hlau vim nws cov khoom siv zoo heev, cov khoom siv kho tshuab ruaj khov, thiab cov nqi ua haujlwm.
Raws li cov chaw tsim khoom ntseeg siab thiab xa tawm, GNEE Steel ua kom zoo ib yam, muaj ntawv pov thawj tag nrho, thiab xa khoom thoob ntiaj teb.
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 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 alow-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.