S890Q yog qib European qib siab- tawm los- lub zog cov qauv hlau tau teev tseg raws li EN 10025-6 tus qauv. Nws yog quenched (Q) thiab tempered (T) steel tsim rau kev siv siab load qhov twg qhov hnyav txo thiab siab zog yog qhov tseem ceeb.
1. Cov ntsiab lus tseem ceeb
Khoom siv: 1.8940.
Yield zog:Yam tsawg kawg nkaus 890 MPa (rau nominal thicknesses txog 50mm).
Tensile zog:Feem ntau yog nyob nruab nrab ntawm 940-1100 MPa.
Impact Testing:S890Q tshwj xeeb yuav tsum muaj qhov cuam tshuam tsawg kawg nkaus ntawm lub zog ntawm qhov kub tsis qis dua -20 degree. (Ceeb Toom: Ntau yam xws li S890QL thiab S890QL1 raug kuaj ntawm -40℃thiab -60 degree, ntsig txog).
2. Kev siv ntau
Vim nws lub zog siab -rau- qhov hnyav piv, S890Q yog siv rau hauv kev nyab xeeb- tseem ceeb thiab hnyav- lub luag haujlwm kev lag luam:
Lifting & Earthmoving:Booms rau mobile cranes, dumper lub cev, thiab chassis rau kev tsheb loj.
Structure Engineering:Choj Cheebtsam, cov qauv hauv ntug dej hiav txwv, thiab kev txhawb nqa cov txheej txheem.
Lub Zog & Siab Nkoj:Penstocks, kauv rooj rau cov nroj tsuag fais fab, thiab ruaj khov los yog thauj cov tso tsheb hlau luam.
3. Kev tsim khoom & Fabrication
Delivery condition:Dej quenched thiab tempered (+QT) kom ua tau zoo -grained microstructure ntawm bainite thiab tempered martensite.
Ua haujlwm tau:Txawm tias nws lub zog siab, nws yog weldable thiab haum rau bolted los yog riveted lug.
Thermal txiav:Kev tshawb fawb qhia tau hais tias thaum cov nplaim taws txiav ib txwm muaj, laser thiab plasma txiav txoj kev tuaj yeem txhim kho lub neej qaug zog ntawm cov npoo txiav.
S890Q puas tuaj yeem ua tau yooj yim?
Tsis yog, S890Q tsis tuaj yeem ua tau yooj yim. Nws raug cais raws li ib qho nyuaj heev - rau - cov khoom siv tshuab vim nws qhov hnyav hnyav (feem ntau 280-360 HBW) thiab lub zog siab heev (890 MPa yield). Machining yuav tsum muaj cov cuab yeej tshwj xeeb, kev teeb tsa nruj, thiab cov kev tswj xyuas kom tsis txhob muaj cov cuab yeej siv ntau dhau, ua kom tsis zoo, lossis ua haujlwm puas tsuaj.
Cov Kev Sib Tw Tseem Ceeb hauv Machining S890Q:
Rapid Tool Wear:Lub siab hardness thiab abrasiveness (tshwj xeeb tshaj yog los ntawm cov nplais saum npoo) ua rau nrawm hnav ntawm cov npoo.
High Cutting Forces:Xav tau cov cuab yeej siv tshuab nruj heev, cov khoom siv, thiab cov cuab yeej tuav kom tsis txhob muaj kev vibration thiab sib tham.
Thaum tshav kub kub tiam:Kev sib txhuam hnyav ua kom muaj cua sov loj, uas tuaj yeem ua rau cov cuab yeej muag muag lossis hloov cov khoom siv hluav taws xob- kho cov khoom yog tias tsis tswj tau.
Ua Haujlwm Hardening:Kev ua haujlwm tsis raug (xws li, siv tus nqi pub tsawg lossis cov cuab yeej hnav) tuaj yeem ua kom tawv nqaij ntxiv, ua rau kev hla dhau los nyuaj dua.
Brittleness Risk:Cov khoom siv qis dua ductility nce rhiab heev rau qhov cuam tshuam los yog tawg yog tias machining induces stress concentrations.
Qhov tseem ceeb Machining Guidelines:
Tooling:
Khoom siv:Siv cov hwm zoo- qib carbide (piv txwv li, C3/C4 micro-grain), cermet, lossis coated carbide inserts. Rau hnyav roughing, ceramic inserts yuav siv tau nyob rau hauv qhov chaw ruaj khov.
Geometry:Nthuav txiav ntug nrog zoo rake cov ces kaum kom txo tau txiav quab yuam. Cov cuab yeej tuav ruaj khov yog qhov tseem ceeb.
Txiav Parameters:
Txiav ceev (Vc):Tsawg mus rau nruab nrab - feem ntau 60-120 m / min rau tig nrog carbide.
Feed Rate:Siv cov khoom noj kom txaus kom tsis txhob txhuam thiab ua haujlwm tawv.
Qhov tob ntawm Txiav:Txaus los txiav hauv qab txhua txheej txheej tawv tawv.
Coolant & Lubrication:
High-siab, siab- zoo coolant yog qhov tseem ceeb rau dissipate tshav kub, ntev lub neej ntawm lub cuab tam, thiab flush chips.
Tshuab & Teeb:
Maximum rigiditynyob rau hauv lub tshuab, workpiece clamping, thiab cov cuab yeej tuav yog tsis-negotiable.
Kauj Ruam Npaj:
Tshem tawm qhov nyuaj, decarburized nto nplai (feem ntau tam sim no ntawm daim hlau xa tuaj) los ntawm kev sib tsoo los yog kev ua haujlwm ntxhib ua ntej ua tiav machining.
Cov ntsiab lus:
Thaum S890Q yog machinable, nws xav tau:
Heavy-lub luag haujlwm, nruj CNC tshuab
Hwm - cov cuab yeej txiav qib
Optimized, conservative txiav tsis
Ua haujlwm siab -siab txias tshuab
Cov neeg ua haujlwm muaj kev paub
Rau cov khoom tseem ceeb, ua qhov kev xeem khiav thiab kev koom tes nrog cov kws paub txog cov cuab yeej tau pom zoo los tsim cov txheej txheem machining ruaj khov thiab kev lag luam. Machining S890Q yog ib txoj haujlwm tshwj xeeb tsuas yog los ntawm cov txiaj ntsig kev ua tau zoo ntawm cov hlau uas muaj zog heev.
Cov ntaub ntawv technical
Hais txog S890Q cov ntaub ntawv nthuav dav, thov xa mus rau peb cov txheej txheem zeb hnub hauv qab no:
TS EN 10025-6 S890Q quenched thiab tempered steel phaj Cov tshuaj muaj pes tsawg leeg
| Qib | C % | Si% | Mn% | P % | S % | N % | B % | Cr% |
| S890Q | 0.200 | 0.800 | 1.700 | 0.025 | 0.015 | 0.015 | 0.005 | 1.500 |
| Cu% | Mo% | Nb% | Ni% | Ti % | V % | Zr% | ||
| 0.500 | 0.700 | 0.060 | 2.000 | 0.050 | 0.120 | 0.150 |
EN10025-6 S890Q quenched thiab tempered steel phaj mechanical zog
| Qib | Thickness (hli) | Tsawg-yield (Mpa) | Tensile (MPa) | Elongation (%) | Min Impact Zog | |
| S890Q | 8mm-50mm | Min 890 Mpa | 940-1100 Mpa | 11% | -20 | Min 30 J |
| 51mm-100 hli | Min 830 Mpa | 880-1100 Mpa | 11% | -20 | Min 30 J | |
| 101mm-150mm | Min 800 Mpa | 820-1000Mpa | 11% | -20 | Min 30 J |
Gnee steel yog tshwj xeeb teb ntawm exporting EN10025-6 S890Q quenched thiab tempered steel phaj ntawm lub hauv paus ntawm kev sib raug zoo nrog peb HBIS Wuyang zeb nyob rau hauv Suav teb. Yog tias koj muaj lus nug txog steel phaj, thov koj xav tiv tauj peb.
S890Q steel yog dab tsi?
S890Q yog ib qho siab heev - lub zog quenched thiab tempered structural steel nrog qhov tsawg kawg nkaus yield zog ntawm 890 MPa, tsim rau huab load- cov ntaub ntawv bearing.
Dab tsi yog cov khoom ntawm S890Q steel?
Nws muaj lub zog tshwj xeeb, zoo toughness ntawm qhov kub thiab txias, thiab weldability nrog cov txheej txheem tsim nyog, txawm hais tias nws yog nkig ntau dua li qis dua - qib steels.
S890Q steel siv nyob qhov twg?
S890Q yog siv rau hauv hnyav- lub luag haujlwm crane booms, cov cuab yeej mining siab heev, siab - kev ua tub rog tsheb, thiab cov khoom siv tshwj xeeb uas muaj zog tshaj plaws - rau - qhov hnyav piv yog qhov tseem ceeb.
S890Q piv rau S690Q li cas?
S890Q muaj lub zog tawm los ntau dua (890 MPa vs . 690 MPa) tab sis qis toughness thiab weldability, ua rau nws tsim nyog rau kev xav tau ntau dua, lub teeb yuag.
Cov txheej txheem vuam dab tsi yuav tsum tau ua rau S890Q?
Vuam S890Q yuav tsum nruj preheating (feem ntau 150-200 degree), qis-hydrogen electrodes, tswj cov cua sov input, thiab tom qab-weld kev nyuaj siab nyem kom tsis txhob tawg.
Puas yog S890Q steel corrosion resistant?
Tsis yog, S890Q tsis yog corrosion- tiv taus thiab yuav tsum muaj cov txheej txheem tiv thaiv xws li pleev xim lossis galvanizing siv rau hauv qhov chaw raug.
Cov qauv dab tsi npog S890Q steel?
Nws yog feem ntau tau teev tseg raws li European tus qauv EN 10025-6 rau quenched thiab tempered high-strength structural steels.
S890Q puas tuaj yeem ua tau yooj yim?
Machining S890Q yog qhov nyuaj vim nws qhov nyuaj thiab lub zog; nws yuav tsum tau siv cov cuab yeej muaj zog, qeeb ceev, thiab ua kom txias txaus.
Tus nqi ntawm S890Q steel phaj yog dab tsi?
S890Q yog kim kim dua li qis dua - qib zog, nrog rau cov nqi sib txawv raws li tuab, ntau, thiab cov ntawv pov thawj yuav tsum tau ua.
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.
