S690 QL 1yog lub siab -lub zog quenched thiab tempered alloy structural steel. Nws muaj cov khoom siv kho tshuab zoo heev, haum rau hnyav-lub luag haujlwm engineering, nrog rau kev sib txuas zoo thiab tawv tawv rau kev thov.
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S690 QL 1Tshuaj muaj pes tsawg leeg |
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Qib |
Cov ntsiab lus Max (%) |
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C |
Si |
Mn |
P |
S |
N |
B |
Cr |
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S690 qw 1 |
0.20 |
0.80 |
1.70 |
0.020-0.025 |
0.010-0.015 |
0.015 |
0.005 |
1.50 |
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Cu |
Mo |
Nb |
Ni |
Ti |
V |
Zr |
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0.50 |
0.70 |
0.06 |
2.0 |
0.05 |
0.12 |
0.15 |
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Qib |
S690 QL 1Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
Min Impact Zog
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S690 qw 1 |
mm |
Min Mpa |
Mpa |
Tsawg% |
-60 |
30J |
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3<> |
890 |
940-1100 |
11 |
-60 |
30J |
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50<> |
830 |
880-1100 |
11 |
-60 |
30J |
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100<> |
800 |
820-1000 |
11 |
-60 |
30J |
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Sib npaug steel qib S690QL1 |
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Teb chaws Europe |
Lub teb chaws Yelemees |
Fabkis |
Sweden |
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ES 690 V |
- |
- |
ua
1. Kev tsim khoom tseem ceeb (Quenching & Tempering)
S690QL1 yog tsim los ua Quenched thiab Tempered (Q&T) steel.
Austenitizing: Cov hlau yog rhuab mus txog 870-930℃kom ua tiav cov qauv austenitic tag nrho.
quenching: ceev ceev txias (feem ntau nyob rau hauv dej) tsim ib tug nplua -grained, hard martensitic microstructure.
Tempering: Reheating rau 550-680℃softens cov khoom kom ua tiav qhov tsim nyog tshuav ntawm lub zog thiab tsis tshua muaj siab - kub toughness.
2. Kub ua haujlwm (Forging & Forming)
Yog hais tias cov khoom yuav tsum kub- ua hauj lwm, nruj qhov rais qhov rais yuav tsum tau kom tsis txhob degrading nws txhua yam khoom.
Cua sov: Billets yog preheated rau 1100-1250 degree.
Kev Ua Haujlwm Ntau Yam: Forging yuav tsum tshwm sim ntawm 1200℃thiab 850 degree.
Ncej- Txheej Txheem: Kub tsim siab tshaj 600℃feem ntau yuav tsum muaj tag nrho rov qab -quenching thiab tempering voj voog kom rov qab tau nws cov khoom qub tsim.
3. Welding & Post-Kev kho cua sov (PWHT)
S690QL1 yog weldable siv cov txheej txheem txheem (GMAW, SMAW) tab sis yuav tsum tau ceev faj txog kev tswj xyuas cov cua sov.
Preheating: Feem ntau ua tau tsawg dua lossis sib npaug li 100℃siv oxyacetylene lossis cov kev zoo sib xws los tiv thaiv kev tawg.
Interpass Kub: Yuav tsum txwv kom tsawg dua lossis sib npaug li 180℃kom tiv thaiv kom tsis txhob muaj cua sov- thaj tsam cuam tshuam (HAZ).
PWHT: Txhawm rau txo cov kev ntxhov siab seem, kev ntxhov siab rau kev ntxhov siab yog qhov zoo tagnrho ntawm kwv yees li 550℃(Cycle C). Qhov ntsuas kub no tuaj yeem txo qhov kev ntxhov siab ntawm qhov seem mus txog 93% thaum tswj cov khoom siv hluav taws xob siab ntawm lub hauv paus hlau.
4. Txias ua hauj lwm & Machining
Khoov: S690QL1 tuaj yeem txias - tsim. Pom zoo qhov tsawg kawg nkaus khoov radii yog 2x thickness (transverse mus rau dov kev taw qhia) thiab 3x thickness (longitudinal).
Txiav: Haum rau thermal txiav (laser, plasma, oxy- roj) thiab kev siv tshuab xws li drilling lossis sawing.
Machinability: Fine-grained microstructure tso cai rau kev ua haujlwm zoo thaum siv cov cuab yeej siab- zoo los tuav nws cov tawv tawv siab (kwv yees . 260–360 HV).
Cov ntawv thov tseem ceeb
Lifting & Heavy Machinery:Siv dav rau crane booms, jibs, thiab nqa caj npab qhov siab zog thiab lub teeb yog qhov tseem ceeb rau kev nyab xeeb kev ua haujlwm.
Offshore & Marine:Qhov zoo tshaj plaws rau North Hiav Txwv lossis Arctic offshore platforms, naval ships, thiab marine structures raug hnyav, freezing maritime ib puag ncig.
Mining & Earthmoving:Qhov tseem ceeb rau siab - cov khoom muaj kev ntxhov siab nyob rau hauv excavators, bulldozers, pob tseg tsheb lub cev, thiab cov tsheb mining uas yuav tsum tau tiv thaiv rov qab poob siab thiab hnyav loads.
Kev Tsim Kho & Infrastructure:Siv nyob rau hauv ntev - ncua choj, chaw ntau pob, thiab siab - nce siab. Nws siv nyob rau hauv skyscrapers tso cai rau cov kab slimmer thiab ntau usable nyob rau hauv qhov chaw.
Kev Tiv Thaiv:Siv nyob rau hauv cov tub rog tsheb thiab armored units los txo qhov hnyav kom zoo dua agility thaum tswj cov txheej txheem kev ncaj ncees.
Vim li cas thiaj xaiv peb:
Koj tuaj yeem tau txais cov khoom zoo meej raws li qhov koj xav tau ntawm tus nqi tsawg kawg nkaus.
Peb kuj muab Reworks, FOB, CFR, CIF, thiab qhov rooj rau qhov rooj tus nqi xa khoom. Peb xav kom koj ua deal rau shipping uas yuav zoo heev.
Cov ntaub ntawv uas peb muab yog muaj tseeb tiag, txoj cai los ntawm raw cov ntaub ntawv xeem daim ntawv pov thawj mus rau qhov kawg dimensional nqe lus.
Peb lav muab cov lus teb tsis pub dhau 24 teev (feem ntau hauv tib lub sijhawm)
Koj tuaj yeem tau txais cov khoom hloov pauv, zeb xa khoom nrog txo lub sijhawm tsim khoom.
Peb tau mob siab rau peb cov neeg siv khoom. Yog tias nws yuav tsis tuaj yeem ua tau raws li koj cov kev xav tau tom qab kuaj xyuas tag nrho cov kev xaiv, peb yuav tsis ntxias koj los ntawm kev cog lus tsis tseeb uas yuav tsim kev sib raug zoo rau cov neeg siv khoom.
Thov ib tug kws tshaj lij hais rau S690QL1 los ntawm GNEE Steel.
Puas yog S690QL1 haum rau cov hlab ntsha siab?
Yog lawm, S690QL1 yog tsim rau cov hlab ntsha siab nyob rau hauv tej yam kev mob. Nws ua tau raws li qhov yuav tsum tau muaj zog rau siab - cov ntawv thov siab, nrog rau kev tsim thiab ntawv pov thawj.
Puas yog S690QL1 muaj nyob rau hauv daim ntawv coil?
S690QL1 feem ntau muaj nyob rau hauv daim ntawv phaj. Coil daim ntawv tsis tshua muaj vim nws lub zog siab thiab kev kho cua sov, uas yooj yim rau kev tswj xyuas cov phaj.
Dab tsi yog qhov elongation ntawm kev tawg ntawm S690QL1?
S690QL1 muaj qhov tsawg kawg nkaus elongation ntawm kev tawg ntawm 14% (rau 16 hli thickness). Qhov ductility no tso cai rau me ntsis deformation ua ntej tawg, txhim kho kev ruaj ntseg.
S690QL1 puas tuaj yeem khoov?
S690QL1 tuaj yeem khoov tau, tab sis nws yuav tsum muaj zog khoov ntau dua li cov hlau zoo tib yam. Khoov vojvoog kom zoo thiab preheating (rau cov phaj tuab) tiv thaiv kev tawg thaum lub sij hawm tsim.
Qhov txawv ntawm S690QL1 thiab S690QL yog dab tsi?
Qhov sib txawv tseem ceeb yog kev cuam tshuam toughness: S690QL1 muaj qhov cuam tshuam tsawg kawg nkaus lub zog (30 J ntawm -20 degree) dua li S690QL, ua rau nws tsim nyog rau kev thov qis qis qis.
Dab tsi yog qhov thermal conductivity ntawm S690QL1?
Lub thermal conductivity ntawm S690QL1 yog hais txog 45 W / (m·K) ntawm chav tsev kub, zoo ib yam li cov qauv hlau, ua kom yooj yim hloov cov cua sov hauv vuam thiab tsim cov txheej txheem.
Puas yog S690QL1 sib nqus?
Yog lawm, S690QL1 yog hlau nplaum. Raws li cov hlau ferritic, nws nthuav tawm cov khoom ferromagnetic, uas yog qhov tseem ceeb rau cov ntawv thov uas xav tau sib nqus sib nqus.
Tus nqi sib piv ntawm S690QL1 vs. zoo tib yam steel yog dab tsi?
S690QL1 yog kim dua li cov pa roj carbon zoo tib yam, tab sis nws lub zog siab txo cov khoom siv, txo cov nqi hauv qhov hnyav -rhiab heev thiab siab - daim ntawv thov kev ua tau zoo.
Dab tsi yog qhov corrosion kuj ntawm S690QL1?
S690QL1 muaj nruab nrab corrosion kuj, zoo ib yam li carbon steels. Rau ib puag ncig hnyav, cov txheej txheem tiv thaiv zoo li cov xim pleev xim lossis galvanization yuav tsum tau tiv thaiv xeb.
S690QL1 puas tuaj yeem siv rau hauv kev lag luam tsheb?
Yog lawm, nws yog siv nyob rau hauv hnyav - lub luag hauj lwm automotive qhov chaw xws li tsheb thav duab thiab crane Cheebtsam. Nws lub zog siab txhim kho lub peev xwm thauj khoom thiab ua haujlwm ntev ntawm cov tsheb lag luam.
Lub zog qaug zog ntawm S690QL1 yog dab tsi?
Lub zog qaug zog ntawm S690QL1 yog kwv yees li 300-350 MPa (rau 10⁷ cycles). Kev kho saum npoo kom zoo thiab txo kev ntxhov siab txhim kho nws txoj kev qaug zog.