Dab tsi yog qhov yuav tsum tau kuaj xyuas rau S690Q?
Kev sim ntau rau cov hlau, tswj hwm los ntawm EN 10025-6, suav nrogkev kuaj tensile(yield & tensile zog, elongation) thiabCharpy V- ntsuas qhov cuam tshuam(feem ntau ntawm -20℃rau 30 Joules yam tsawg kawg nkaus). Lwm qhov kev xeem tseem ceeb yogKev ntsuas kub, nrog yeemKev kuaj ultrasonic (UT)thiabkev tshuaj xyuas cov khoom, txhua yam xav tau daim ntawv pov thawj zeb xeem (EN 10204 3.1/3.2).
S690Q steel yog lub siab - tawm los- lub zog, nplua - cov qauv steel, qauv raws li European Norm (EN) 10025-6, paub txog nws lub zog zoo heev, toughness, thiab weldability, ua tiav los ntawm quenching thiab tempering (Q + T) kev kho cua sov. Tus "S" qhia txog cov qauv, "690" yog qhov tsawg kawg nkaus tawm lub zog hauv MPa, thiab "Q" qhia txog Q + T mob, ua rau nws zoo tagnrho rau cov tshuab hnyav, txuas hniav, cranes, thiab cov khoom siv mining uas xav tau qhov hnyav thiab muaj peev xwm thauj khoom siab.
Cov yam ntxwv tseem ceeb
Siab zog:Yam tsawg kawg nkaus lub zog ntawm 690 MPa, nrog lub zog tensile feem ntau ntawm 770-940 MPa, ua kom cov qauv sib dua.
Toughness:Tsawg heev- qhov kub thiab txias cuam tshuam qhov hnyav, feem ntau kuaj ntawm -20 degree, ua kom ntseeg tau tias kev ua haujlwm txias.
Zoo-Grained:Ib qho zoo -grained microstructure txhim kho nws cov khoom siv kho tshuab.
Weldability:Zoo weldability thaum cov txheej txheem tsim nyog, suav nrog preheating rau cov phaj tuab, ua raws.
Daim ntawv thov:Cov cuab yeej siv hnyav, cranes, txuas hniav, cov qauv hauv ntug dej hiav txwv, mining machinery, thiab lub zog shovels.
Kev txheeb cais (EN 10025-6)
S:Cov qauv hlau.
690:Yam tsawg kawg nkaus tawm lub zog hauv Megapascals (MPa).
Q:Quenched thiab Tempered mob.
S690Q steel khoom yog dab tsi?
S690Q steel yog siab - tawm los- lub zog, quenched, thiab tempered structural steel (EN 10025-}6 tus qauv) paub txog lub zog tshwj xeeb, tawv, thiab ua haujlwm ntev, siv rau hauv cov tshuab hnyav, kev tsim kho (cranes, txuas hniav), thiab nqa cov cuab yeej siv qhov twg muaj zog-qhov kev thov zoo tshaj {5}.
Lub hardness ntawm S690Q yog dab tsi?
The hardness of S690Q steel varies slightly with thickness but generally falls within the range of 210 to 278 Brinell Hardness (HB), with thicker plates having slightly lower minimum hardness values (e.g., 228-278 HB for ≤50mm, 210-266 HB for >100mm) vim cov txheej txheem quenching thiab tempering. Nws yog ib qho ultra- siab- lub zog steel paub txog nws lub zog zoo heev - rau - qhov hnyav piv, tsis hnyav hnyav, tab sis nws qhov tawv, zoo heev -grained microstructure.
Dab tsi yog daim ntawv thov kev lag luam ntawm S690Q?
S690Q yog lub siab- lub zog steel siv rau hauv hnyav- daim ntawv thov kev ua haujlwm uas yuav tsum tau muaj lub zog zoo heev - rau - hnyav piv, xws li cranes, txuas hniav, offshore platforms, hnyav machinery, cua turbine txhawb, thiab siab - nce vaj tse, tso cai rau kev sib tw, kev tsim kho, thiab kev tsim kho ntau dua. Nws cov txiaj ntsig tseem ceeb yog ua kom muaj cov qauv sib dua uas tuaj yeem ua haujlwm hnyav thiab muaj kev ntxhov siab, txo cov khoom siv thiab txhim kho roj efficiency hauv kev thauj mus los.
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S690QTshuaj 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 Q |
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 |
S690Q Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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S690 Q |
mm |
Min Mpa |
Mpa |
Tsawg% |
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3 |
690 |
770-940 |
14 |
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50 |
650 |
760-930 |
14 |
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100 |
630 |
710-900 |
14 |
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Cov qib sib npaug ntawm cov hlau S690Q (1.8931)
| EU EN |
Teb chaws USA - |
Lub teb chaws Yelemees DIN, NWS |
Fabkis AFNOR |
Sweden SS |
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| S690Q |
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1 Dab tsi yog qhov txawv ntawm S690Q thiab S690QL?
Qhov txawv tseem ceeb yog lawvtau teev qis-kub los cuam tshuam toughness, nrog S690QL muab kev ua tau zoo tshaj plaws rau cov huab cua txias: S690Q raug kuaj ntawm -20℃(30J), haum rau qhov txias txias, thaum S690QL raug kuaj ntawm -40℃(Ntau dua lossis sib npaug rau 40J), zoo tagnrho rau arctic / offshore tej yam kev mob, vim kev txhim kho alloying rau Q.L zoo dua huab cua tiv thaiv, ua rau ib puag ncig zoo. Ob leeg yog high-yield (690 MPa) quenched & tempered steels, tab sis lub "QL" guarantees toughness ntawm ntau qis kub.
2 Dab tsi kub yog S690Q?
S690Q yog qhov siab -lub zog, quenched thiab tempered (Q + T) cov qauv hlau, thiab nws "kub" feem ntau yog hais txog ob qhov tseem ceeb: nws raug kuaj rau qhov hnyav ntawm qhov tsawg kawg nkaus ntawm -20℃(qhov twg nws yuav tsum tswj lub zog nqus ntawm yam tsawg kawg nkaus 30J), thiab nws cov kev pabcuam 50 feem ntau tuaj yeem lav txog 80. poob tseem ceeb yield zog.
3Dab tsi yog qhov kev xeem uas yuav tsum tau ua rau S690Q?
Kev sim ntau rau S690Q steel, tswj hwm los ntawm EN 10025-6, suav nrog kev sim tensile (yield & tensile zog, elongation) thiab Charpy V-notch impact testing (feem ntau ntawm -20℃rau 30 Joules yam tsawg kawg nkaus). Lwm qhov kev ntsuam xyuas tseem ceeb yog kev ntsuas kub, nrog rau kev kuaj xyuas ultrasonic (UT) thiab kev tshuaj xyuas cov khoom, txhua yam yuav tsum muaj daim ntawv pov thawj zeb xeem (EN 10204 3.1/3.2).
4 Cov khoom ntawm S690q yog dab tsi?
S690Q yog lub siab -lub zog, quenched, thiab tempered structural steel (EN 10025-6) paub txog nws qhov tsawg kawg nkaus yield zog ntawm690 MPa ua, zoo heev toughness ntawm qis kub, thiab zoo weldability, tso cai rau sib dua, muaj zog tsim nyob rau hauv hnyav-cov ntaub ntawv siv xws li cranes, txuas hniav, thiab machinery. Nws cov khoom tseem ceeb suav nrog lub zog tensile siab (feem ntau 770-940 MPa), muaj kev cuam tshuam zoo, thiab kev tsim tau zoo, ua rau nws zoo tagnrho rau cov qauv xav tau qhov hnyav dua yam tsis muaj kev cuam tshuam kev nyab xeeb.
5 Qhov txawv ntawm S690Q thiab S690QL1 yog dab tsi?
Qhov sib txawv tseem ceeb ntawm S690Q thiab S690QL1 yog lawvqis-kub los cuam tshuam toughness, tau teev tseg los ntawm Charpy V- ntsuas qhov ntsuas kub, nrog S690QL1 muab kev ua tau zoo tshaj plaws rau cov xwm txheej txias heev piv rau S690Q, txawm hais tias ob leeg sib koom qhov tsawg kawg nkaus 690 MPa yield zog. S690Q yog kuaj ntawm 0℃(los yog -20 degree), S690QL (ib nrab qib) ntawm -40 degree, thiab S690QL1 ntawm qhov nruj tshaj plaws -60 degree, ua rau nws zoo tagnrho rau polar los yog offshore daim ntaub ntawv uas brittle fracture yog siab.
6 S690Q sib npaug li cas?
S690Q yog European siab - lub zog cov qauv hlau (EN 10025-6) nrog lub zog 690 MPa, thiab nws qhov sib npaug suav nrog ASTM A709 Qib 100, German TStE690V / DILLIMAX 690, French, Swedish, thiab Swedish E690, tag nrho cov sawv cev zoo sib xws quenched thiab tempered (Q&T) steels rau hnyav- cov ntawv thov kev ua haujlwm, txawm hais tias cov khoom tshwj xeeb xws li kev ntsuas kub qis (xws li, S690QL kuaj ntawm -40 degree) tuaj yeem sib txawv me ntsis ntawm cov qauv.
7 Lub zog tawm ntawm S690q yog dab tsi?
S690Q steel muaj qhov nominal yam tsawg kawg nkaus yield zog ntawm690 MPa (MegaPascals)rau thicknesses txog li 50 hli, tab sis qhov no tus nqi txo rau thicker daim hlau, xa me nyuam rov mus rau650 MPa(50-100mm) thiab630 MPa ua(100-150mm) kom tswj tau qhov kev ua tau zoo, tag nrho raws li EN 10025-6 tus qauv rau quenched thiab tempered steel.
Tiv tauj peb ntawm info@gneesteels.com rau tus nqi, kev txhawb nqa, lossis kev daws teeb meem. Peb yeej ib txwm npaj los txhawb koj qhov project.
