S890QL1 (Cov Khoom Naj Npawb 1.8925) yog European tus qauv siab -lub zog, nplua-cov qauv steel hlau. Nws yog quenched thiab tempered (+ QT) alloyed tshwj xeeb hlau tswj los ntawm EN 10025-6 tus qauv.
Cov yam ntxwv tseem ceeb
Lub zog siab: Nws muaj qhov tsawg kawg nkaus tawm lub zog ntawm 890 MPa (rau cov thicknesses tsawg dua lossis sib npaug li 50mm).
Ntxiv Toughness: Cov lus "L1" qhia qhov tshwj xeeb qis -kub toughness, nrog guaranteed yam tsawg kawg nkaus lub zog (feem ntau 30J-40J) ntawm qhov kub thiab txias li -60℃(-76℃F).
Weldability: Txawm tias nws lub zog siab, nws yog tsim los rau weldability nyob rau hauv siab -load steel siv.
Technical Specifications
| Khoom | Tus nqi/qhov xwm txheej |
|---|---|
| Khoom Naj Npawb | 1.8925 |
| Txuj | TS EN 10025-6 |
| Min. Yield zog | 890 N / mm² (txog 50mm thickness) |
| Tensile zog | 940 - 1100 MPa |
| Min. Impact Temp. | -60 degree |
| Kev Xa Khoom | Quenched thiab Tempered (+ QT) |
Tej kev siv
S890QL1 feem ntau yog siv qhov kev txo qhov hnyav yog qhov tseem ceeb thiab kev ua haujlwm hnyav (qhov huab cua txias lossis kev ntxhov siab siab) xav tau:
Lifting Equipment: Mobile crane booms thiab hnyav-cov khoom nqa nqa.
Infrastructure: Choj Cheebtsam thiab kev loj kev tsim kho.
Mining & Earthmoving: Chassis, dumper lub cev, thiab lub ru tsev txhawb nqa.
Lub Hwj Chim Hwjchim: Cia tanks thiab penstocks.
Cov qauv twg siv rau S890QL1 steel?
S890QL1 steel feem ntau yog tswj hwm los ntawm European tus qauv EN 10025-6, uas txhais tau tias nws cov tshuaj lom neeg, mechanical, thiab toughness yuav tsum tau. Hauv qab no yog cov qauv tseem ceeb thiab cov kev qhia tshwj xeeb siv tau rau S890QL1:
1. Core Material Standard
TS EN 10025-6: Kub dov cov khoom ntawm cov qauv hlau - Ntu 6: Cov txheej txheem kev xa khoom rau cov khoom lag luam tiaj tus ntawm cov khoom muaj zog ntawm cov qauv hlau nyob rau hauv cov txheej txheem quenched thiab tempered.
Cov qauv no qhia txog:
Yam tsawg kawg nkaus lub zog (890 MPa), tensile zog (940-1100 MPa), thiab elongation.
Impact toughness: Charpy V-notch test at −60℃with a low nruab nrab zog ntawm Greater los yog sib npaug rau 40 J (rau thicknesses tsawg dua los yog sib npaug rau 50 hli; siab dua qhov tseem ceeb rau nyias daim hlau).
Tso cai tshuaj muaj pes tsawg leeg (C, Si, Mn, P, S, thiab micro-alloys zoo li Nb, V, Ti, ntxiv rau kev xaiv Ni, Cr, Mo, B).
Lub npe "QL1" tau hais meej meej ntawm no rau -60℃kev pabcuam.
2. Txhawb kev kuaj & ntawv pov thawj cov qauv
EN 10204: Txhais cov ntaub ntawv tshuaj xyuas. S890QL1 feem ntau xav tau Hom 3.1 Daim Ntawv Pov Thawj, uas siv tau raws li kev soj ntsuam los ntawm cov chaw tsim khoom zoo.
TS EN ISO 148-1: Charpy pendulum impact test method
TS EN ISO 6892-1: Kev ntsuas tensile ntawm chav tsev kub
TS EN ISO 6506-1: Brinell hardness test method
3. Tsim & Fabrication Standards (Application-Specific)
TS EN 1993-1-10 (Eurocode 3): Muab cov lus qhia rau kev xaiv cov qib steel raws li qhov yuav tsum tau ua kom muaj zog (kub, kev ntxhov siab, tuab).
TS EN 1993-1-12: Txuas ntxiv cov cai Eurocode rau steels txog S700; rau S890QL1, kev ua haujlwm raws li kev tsim qauv lossis kev pom zoo tshwj xeeb feem ntau xav tau.
TS EN ISO 15614-1: Kev tsim nyog ntawm cov txheej txheem vuam
TS EN 1011-2: Cov lus pom zoo rau kev vuam steel qauv
4. Kev lag luam-Specific Standards
Offshore / Marine: Cov qauv zoo li EN 10225 (welded steel offshore structures) lossis DNVGL / ABS cov cai tuaj yeem thov rau cov khoom pov thawj hauv cov cheeb tsam polar / Arctic.
Cranes & Lifting Equipment: FEM 1.001 lossis ISO 8686 tej zaum yuav siv cov hlau muaj zog rau cov khoom tseem ceeb.
Cov cuab yeej siv siab: S890QL1 tsis tshua siv nyob rau hauv cov hlab ntsha siab vim muaj kev txwv nruj, tab sis yog siv tau, EN 10028 yuav raug xa mus.
5. International sib npaug
TS EN ISO 4950-3: Npog cov hlau zoo sib xws uas muaj zog quenched thiab tempered steel, txawm tias EN 10025-6 yog qhov tseem ceeb siv.
ASTM A514 / A517 (Tebchaws USA): Cov no yog quenched thiab tempered alloy steels nrog cov qib zog zoo sib xws (~ 690-890 MPa yield), tab sis tsis muaj ASTM ncaj qha sib npaug rau qhov tseeb "S890QL1" tsim. A517 Qib 100 yog qhov ze tshaj plaws hauv kev ua haujlwm txhua yam.
Cov tshuaj muaj pes tsawg leeg ntawm steel S890QL1 (1.8925): EN 10025-6-2004
| C | Si | Mn | Ni | P | S | Cr | Mo | V | N | Nb | Ti | Cu | Zr | B | CEV |
| max 0.2 hli | max 0.8 hli | max 1.7 Nws | max2 ua | max 0.02 Nws | max 0.01 Nws | max 1.5 hli | max 0.7 hli | max 0.12 | max 0.015 | max 0.06 | max 0.05 Nws | max 0.5 hli | max 0.15 Nws | max 0.005 Nws | max 0.82 |
Mechanical zog ntawm steel S890QL1 (1.8925)
| Nominal thickness (hli): | 3 - 50 | 50 - 100 |
| Rm- Tensile zog (MPa) | 940-1100 | 880-1100 |
| Nominal thickness (hli): | 3 - 50 | 50 - 100 |
| ReH- Yam tsawg kawg nkaus tawm lub zog (MPa) | 890 | 830 |
| KV- Impact zog (J) longitud., | 0 degree 60 |
-20 degree 50 |
-40 degree 40 |
-60 degree 30 |
| A- Min. elongation Lo=5,65 √ Yog li (%) | 11 |
1. S890QL1 steel yog dab tsi?
S890QL1 yog ib qho ultra-siab- lub zog quenched thiab tempered structural steel nrog qhov tsawg kawg nkaus lub zog ntawm 890 MPa, tau ntawv pov thawj rau tshwj xeeb cuam tshuam toughness ntawm qhov kub thiab txias li -60 degree.
2. "QL1" txhais li cas hauv S890QL1?
"QL1" qhia tias cov hlau tsim nyog rau qis- qhov kev pabcuam kub qis mus rau -60 degree, nrog rau qhov tsawg kawg nkaus Charpy cuam tshuam lub zog ntawm 40 J ntawm qhov kub ntawd.
3. S890QL1 feem ntau siv nyob qhov twg?
Nws yog siv nyob rau hauv huab cua Arctic engineering, offshore platforms hauv cheeb tsam polar, cov khoom tseem ceeb ntawm cov dej khov-cov nkoj hauv chav kawm, thiab cov cuab yeej ua tub rog siab heev tsim los rau kev sib sib zog nqus- ua haujlwm txias.
4. S890QL1 txawv ntawm S890QL li cas?
S890QL1 tau lees tias muaj kev cuam tshuam ntau dua (Ntau dua lossis sib npaug ntawm 40 J) ntawm qhov kub qis (-60 degree), thaum S890QL feem ntau raug kuaj ntawm -40℃nrog Ntau dua lossis sib npaug rau 27 J qhov xav tau.
5. Cov txheej txheem vuam dab tsi yuav tsum tau ua rau S890QL1?
Vuam yuav tsum nruj preheating (150-200 degree), qis- hydrogen consumables, tswj cov cua sov input, thiab feem ntau tom qab vuam cua sov kho kom tsis txhob tawg thiab khaws toughness.
6. Puas yog S890QL1 corrosion resistant?
Tsis yog, S890QL1 tsis yog corrosion- tiv taus thiab yuav tsum muaj cov txheej txheem tiv thaiv (xws li, pleev xim, galvanizing) siv rau hauv qhov chaw corrosive lossis raug.
7. Cov qauv twg siv rau S890QL1 steel?
Nws tau txhais los ntawm European tus qauv EN 10025-6, nrog rau cov kev xav tau ntxiv rau kev ntsuas kev cuam tshuam ntawm -60℃thiab ntawv pov thawj rau EN 10204 Hom 3.1.
8. S890QL1 puas tuaj yeem ua tau yooj yim?
Tsis yog, machining S890QL1 yog qhov nyuaj heev vim nws cov hardness siab; nws yuav tsum muaj cov cuab yeej carbide uas muaj zog, siab -siab coolant, thiab optimized txiav tsis.
9. Tus nqi ntau ntawm S890QL1 steel phaj yog dab tsi?
S890QL1 yog kim heev, feem ntau yog li ntawm € 3,000 mus rau € 6, 000+ ib tuj, nyob ntawm seb thickness, ntau npaum li cas, thiab daim ntawv pov thawj yuav tsum tau.
Tag nrho cov specification thiab cov ntsiab lus muaj nyob rau ntawm kev thov. Cov ntaub ntawv saum toj no yog muab rau kev taw qhia nkaus xwb. Rau kev tsim tshwj xeeb thov hu rau peb cov neeg ua haujlwm muag khoom.
