Dab tsi yogS275JR?
S275JR yog atsis yog - alloy structural steelqib dav siv hauv kev tsim kho thiab engineering. Nws yog standardized nyob rau hauvTS EN 10025-2thiab paub txogzoo weldability, machinability, thiab toughness. Nws yog haum rautxuas hniav, vaj tse, thiab kev siv cov txheej txheem.
Ntsiab Mechanical Properties
| Khoom | Tus nqi | Standard/Notes |
|---|---|---|
| Yield zog (ReH) | Ntau dua lossis sib npaug li 275 MPa | TS EN 10025-2 |
| Tensile zog (Rm) | 410-560 MPa | TS EN 10025-2 |
| Elongation (A5) | Ntau dua lossis sib npaug li 20% | TS EN 10025-2 |
| Impact Zog (Charpy V) | 27 J ntawm 20 degree | TS EN 10025-2 |
| Qhov ntom | 7.85 g / cm³ | Hom rau structural steel |
| Hardness | 120-180 HB | Brinell Hardness |
Chemical Composition (Tswj %)
| Element | C | Si | Mn | P | S |
|---|---|---|---|---|---|
| % | 0.22 | 0.55 | 1.60 | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.035 |
Nws daim ntawv thov yog dab tsi?
S275JR yog aqis-carbon, tsis yog- alloy structural steelnrog zoo weldability, toughness, thiab machinability. Nws mechanical zog ua rau nws haum raunruab nrab kev nyuaj siab cov qauv siv.
1. Kev tsim kho
Cov tsev:Ncej, kab, thiab kab teeb.
Cov choj:Nruab nrab -load bearing qauv.
Cov tsev lag luam:Steel ncej thiab kev txhawb nqa.
2. Engineering & Fabrication
General fabrication:Machinery qhov chaw, cia tank, thiab kev txhawb nqa.
Welded qauv:Daim hlau thiab profiles uas yuav tsum tau koom nrog.
Bolted steel qauv:Ru tsev trusses, thav duab, thiab platforms.
3. Lwm yam kev siv
Cov khoom siv hluav taws xobthiab tsheb chassis Cheebtsam.
Shipbuildingrau qhov tsis yog - qhov tseem ceeb ntawm cov qauv.
Agricultural tshuabthiab cov khoom siv thav duab.
Cov laj thawj tseem ceeb rau nws siv
Weldable thiab machinable, ua kom yooj yim rau cov duab thiab sib sau ua ke.
Tus nqi- zoorau tej yaam num dav dav.
NtsibTS EN 10025-2European tus qauv rau cov qauv hlau.
Nws qhov txiaj ntsig yog dab tsi?
Weldability zoo
Cov ntsiab lus qis qis tso cai rau kev vuam yooj yim yam tsis muaj preheating feem ntau.
Haum rau ob qho tib si bolted thiab welded qauv.
Siab Toughness
Ua kom muaj zog ntawm chav tsev kub (Ntau dua lossis sib npaug rau 27 J ntawm 20 degree).
Txo txoj kev pheej hmoo ntawm nkig tawg hauv kev siv cov qauv.
Txhim khu kev qha cov cuab yeej cuab tam
Yield zog Ntau tshaj los yog sib npaug rau 275 MPa, tensile zog 410-560 MPa.
Muab kev ua haujlwm ruaj khov nyob rau hauv kev ntxhov siab me ntsis.
Ntau yam
Yuav siv tau rau cov tsev, txuas hniav, machinery, thiab kev fabrication.
Muaj nyob rau hauv ntau yam ntaub ntawv: daim hlau, nplooj ntawv, tuav, thiab cov khoom seem.
Tus nqi -Cov
Muaj dav thiab pheej yig dua li siab dua - alloy steels nrog kev ua haujlwm zoo sib xws.
Standardized Zoo
Conforms rauTS EN 10025-2, kom ntseeg tau cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab.
GNEE Steel kuj muab ntau yam siab - lub zog steel phaj, xws li A514 Qib F, A572 Qib 50, A588 Qib A, S355JR, S690Q, SS400, S690QL, Q345B, Q345E, thiab lwm yam. Yog tias koj xav paub ntau ntxiv txog cov hlau phaj +8615824687445 los yog xa email rauinfo@gneesteels.com. Koj tuaj yeem sab laj nrog peb, thiab peb txaus siab los teb koj cov lus nug.
