S690 qwyog ib lub zog muaj zog hlau uas paub txog nws txoj kev sib xyaw ua ke zoo heev, weldability, thiab formability. Nws yog ib feem ntawm tsev neeg ntawm quenched thiab tempered steels tsim los muab kev txhim khu kev qha kev ua tau zoo nyob rau hauv kev thov cov ntaub ntawv uas hnyav loads thiab hnyav tej yam kev mob. Cov khoom ua tiav nws lub zog los ntawm kev ua tib zoo kho cua sov, uas tseem txhim kho nws lub peev xwm los tiv thaiv kev tawg thiab tswj cov qauv kev ntseeg siab ntawm qhov kub thiab txias. Nws cov cuab yeej ua haujlwm zoo ib yam ua rau nws tsim nyog siv rau hauv cov qauv loj, cov qauv uas xav tau ob qho tib si durability thiab txo qhov hnyav. S690QL feem ntau raug xaiv rau cov haujlwm uas lub zog siab yuav tsum sib npaug nrog cov yam ntxwv zoo, tso cai rau kev tsim khoom thiab sib dhos.
Tshuaj muaj pes tsawg leeg - EN10025 S690QL
| C | Si | Mn | P | S | B | Cr | Cu | Mo | N | Nb | Ni | Ti | V | Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.20 | 0.80 | 1.70 | 0.020 | 0.010 | 0.005 | 1.50 | 0.50 | 0.70 | 0.015 | 0.06 | 2.0 | 0.05 | 0.12 | 0.15 |
Mechanical Properties - EN10025 S690QL
| Phaj thickness mm | Yield zog Reh (MPA) | Tensile zog Rm (MPA) | Elongation A5% yam tsawg kawg nkaus | Impact zog J, yam tsawg kawg nkaus |
|---|---|---|---|---|
| 3mm txog 50mm | 690 | 770 – 940 | 14 | 30 @ -40º C |
| 50mm txog 100mm | 650 | 760 – 930 | 14 | 30 @ -40º C |
| 100mm txog 150mm | 630 | 710 – 900 | 14 | 30 @ -40º C |
Cov Txheej Txheem Txheej Txheem
Txiav:S690QL daim hlau tuaj yeem txiav siv cov thev naus laus zis zoo li CNC ntshav, laser, lossis oxy- roj. Rau thermal txiav, nws raug nquahu kom khaws cov khoom tsawg kawg ntawm chav tsev kub kom tsis txhob muaj teeb meem.
Bending thiab forming:
Cold forming: Possible with powerful equipment. Recommended inside bend radii are typically >4×thickness for longitudinal and >3 × thickness rau transverse cov lus qhia.
Kub txoj kev:Feem ntau zam dhau 580℃-600 degreevim nws tuaj yeem hloov lub xeev tempered thiab degrade mechanical zog. Yog hais tias rhuab saum toj no ntau yam, cov khoom yuav tsum tau mus rau ib tug tshiab quenching thiab tempering txheej txheem.
Vuam:S690QL muaj qhov zoo weldability tab sis rhiab rau cov cua txias.
Txoj kev:MIG/MAG thiab TIG feem ntau siv.
Cov kev ceev faj:Ua ntej- cua sov feem ntau yuav tsum tau zam kom tsis txhob tawg. Filler hlau yuav tsum muaj lub zog zoo sib xws los yog me ntsis qis dua lub hauv paus hlau.
Machining:Rau drilling, cobalt- alloyed siab- ceev steels (HSSCO) raug pom zoo nrog txiav ceev ntawm 17-19 m / min.
Kev ua haujlwm ntau lawm
Kev tsim khoom lag luam ntawm S690QL suav nrog kev ua ntu zus kom ntseeg tau tias nws cov khoom muaj zog - siab:
Refining & Casting:Converter refining ua raws li kev nruam casting.
Rolling:Tswj dov thiab txias kom ua tiav cov qauv phaj pib.
Kev kho cua sov (Q + T):Cov kauj ruam txhais qhov twg lub phaj yog quenched(sai txias nyob rau hauv dej los ntawm saum toj no nws tseem ceeb kub) kom harden nws, ua raws litempering(re- cua sov kom qis dua qhov tseem ceeb) kom rov ua kom tawv thiab ductility.
Ua tiav:Straightening, soj ntsuam saum npoo, thiab ultrasonic flaw detection.
Daim ntawv thov
Vim nws cov qauv tsim muaj peev xwm (tso cai rau cov qauv sib zog nrog tib lub peev xwm thauj khoom), S690QL yog siv hauv:
Cov khoom siv txawb:cranes, lifting gears, thiab hnyav- cov tsheb thauj khoom hnyav.
Fixed Structures:High-cov tsev nce siab, ntev- txuas hniav, thiab cov chaw sab nrauv.
Mining:Excavators, bulldozers, thiab hydraulic txhawb nqa.
Tau txais cov lus muaj nuj nqis rau S690QL, Hu rau GNEE Steel.
S690QL yog dab tsi?
S690QL yog lub siab - lub zog quenched thiab tempered structural steel. Nws muaj qhov zoo tshaj plaws weldability, toughness thiab mechanical zog, dav siv nyob rau hauv hnyav -duty engineering lug.
Qhov tsawg kawg nkaus tawm lub zog ntawm S690QL yog dab tsi?
Qhov tsawg kawg nkaus tawm lub zog ntawm S690QL yog 690 MPa. Lub zog siab no ua rau nws tuaj yeem nqa cov khoom hnyav hauv - nplai tshuab thiab kev tsim kho.
S690QL ua raws li cov qauv dab tsi?
S690QL ua tau raws li EN 10025-6 tus qauv, uas qhia meej txog cov kev cai rau kev siv lub zog muaj zog steel hauv quenched thiab tempered tej yam kev mob.
S690QL puas tuaj yeem txuas tau yooj yim?
Yog lawm, S690QL muaj weldability zoo. Preheating kom raug thiab tom qab-weld kev kho cua sov yog pom zoo kom tsis txhob muaj cov kab nrib pleb thiab ua kom muaj kev sib koom tes sib koom ua ke.
Dab tsi yog daim ntawv thov ntawm S690QL?
Nws yog feem ntau siv hauv cranes, excavators, choj qauv, offshore platforms thiab cov khoom siv tsuas yog vim nws lub zog siab thiab kav ntev.
Dab tsi yog qhov hardness ntau ntawm S690QL?
Lub hardness ntau ntawm S690QL feem ntau yog 210-260 HBW. Qhov hardness no sib npaug zog thiab machinability rau ntau yam engineering siv.
Puas yog S690QL corrosion-resistant?
S690QL muaj nruab nrab corrosion kuj. Rau ib puag ncig hnyav, yuav tsum muaj kev tiv thaiv ntxiv xws li pleev xim, galvanizing lossis txheej.
Dab tsi yog qhov siab tshaj plaws thickness ntawm S690QL muaj?
S690QL muaj nyob rau hauv thicknesses txog 200 hli. Cov phaj tuab yog tsim rau hnyav- cov qauv ua haujlwm uas yuav tsum muaj kev thauj khoom siab- muaj peev xwm.
Qhov txawv ntawm S690QL thiab S700MC yog dab tsi?
S690QL yog quenched thiab tempered, thaum S700MC yog kub- dov. S690QL muaj zog dua, haum rau cov qauv zoo li qub; S700MC rau cov khoom tsim.