NM400 VS NM450: hnav- phaj tiv taus
NM400 yog qhov siab -lub zog, Brinell hardness (HBW) hnav- cov phaj hlau tiv taus. Nws yog feem ntau siv rau hauv daim ntawv thov uas yuav tsum tau hnav tsis kam, xws li cov mining thiab kev tsim kho kev lag luam. Cov phaj hlau no tau tsim tshwj xeeb los tiv thaiv siab - siv zog, ua rau nws zoo tagnrho rau cov ntawv thov raug mob siab heev - hnav thiab siab - tej yam kev mob.
NM450 yog lub siab -lub zog hnav- cov phaj resistant. Nws yog dav siv nyob rau hauv mining machinery, thee mining machinery, Environmental Protection machinery, engineering machinery, etc., thiab kuj yog feem ntau siv raws li siab -strength structural steel nrog ib tug yield zog ntawm ntau tshaj los yog sib npaug rau 850MPa. Feem ntau los muab kev tiv thaiv nyob rau hauv lub sij hawm los yog qhov chaw uas yuav tsum tau hnav tsis kam, thiaj li mus cuag lub neej ntawm cov cuab yeej, txo txij nkawm downtime los ntawm kev txij nkawm, thiab correspondingly txo peev peev.
NM450
Kev sib piv tshuaj lom neeg
Qhov kev ua tau zoo sib txawv ntawm NM400 thiab NM450 yog cov hauv paus hauv paus hauv lawv cov tshuaj muaj pes tsawg leeg.
| Element | NM400 (wt%) | NM450 (wt%) |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua los yog sib npaug li 0.30 | Tsawg dua lossis sib npaug li 0.35 |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.70 | Tsawg dua lossis sib npaug li 0.70 |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 1.60 | Tsawg dua lossis sib npaug li 1.70 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.025 | Tsawg dua lossis sib npaug li 0.025 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.010 | Tsawg dua lossis sib npaug li 0.010 |
| Chromium (Cr) | Tsawg dua los yog sib npaug li 1.00 | Tsawg dua los yog sib npaug rau 1.10 |
| Molybdenum (hli) | Tsawg dua los yog sib npaug li 0.50 | Tsawg dua los yog sib npaug li 0.55 |
| Carbon Equivalent (CEV) | Tsawg dua los yog sib npaug li 0.55 | Tsawg dua lossis sib npaug li 0.60 |
Kev sib piv ntawm hardness thiab hnav tsis kam
| Parameter | NM 400 | NM450 |
|---|---|---|
| Hardness Range (HBW) | 360–440 | 420–480 |
| Tensile zog (MPa) | Ntau tshaj los yog sib npaug rau 1200 | Ntau tshaj lossis sib npaug rau 1250 |
| Yield zog (MPa) | Ntau dua lossis sib npaug li 950 | Ntau dua lossis sib npaug rau 1050 |
| Elongation (%) | Ntau tshaj los yog sib npaug rau 10 | Ntau dua lossis sib npaug 7 |
| Tus txheeb ze Wear Resistance * | Lub hauv paus (1.0 ×) | 1.15-1.3x ntawm NM400 |
Impact toughness sib piv
| Impact Property | NM 400 | NM450 |
|---|---|---|
| -20℃Impact Zog (tseem ceeb) | 40–47 J | 35–42 J |
| -40℃Impact Energy (qib D/E) | Ntau dua lossis sib npaug li 21 J | Ntau dua lossis sib npaug rau 21 J (tuaj yeem ncav cuag 50-150 J) |
| Ductility Advantage | Lub hauv paus | NM400 muab kwv yees li 40% siab dua ductility / elongation |
Kev sib piv daim ntawv thov
NM 400
Raws li qib feem ntau thiab siv dav hauv NM series, NM400 ua tiav qhov kev pom zoo ntawm kev hnav tsis kam, toughness, thiab machinability, ua rau nws yog cov khoom siv hauv kev lag luam hnyav dav dav. Cov ntawv thov ib txwm muaj xws li:
- Cov khoom siv mining: tsheb txaj liners, loader attachments, excavator thoob
- Kev tsim kho tshuab: bulldozer hniav, qhob tov khoom hniav, asphalt paver screed daim hlau
- Khoom siv: chute liners, hopper phab ntsa, conveyor hauv qab daim hlau
- Nruab nrab- lub luag haujlwm crushers: lub puab tsaig crusher sab tiv thaiv, lub khob hliav qab crusher ncej liner
NM450
Raws li qib siab -kev ua tau zoo nce mus rau NM400, NM450 txhim kho kev puas tsuaj loj thaum tswj kev siv tau zoo, thiab tau tsim tshwj xeeb rau qhov chaw hnyav hnyav. Cov ntawv thov ib txwm muaj xws li:
- Hnyav-cov khoom siv crushing: Impact crusher rauj, rauj crusher pub cov kab - tshwj xeeb tshaj yog tsim rau cov tawv tawv xws li granite thiab basalt.
- Cov cuab yeej siv mining: vibrating cov ntxaij vab tshaus, grabs, hnyav-cov dej num excavator thoob, cov khoom siv pob zeb nyuaj.
- Cov tsheb thauj khoom pov tseg: NM450TUF qib tshwj xeeb yog tsim rau lub tsheb thauj khoom siv nyob rau hauv qhov chaw txias heev, nrog rau kev lag luam feem ntau tshaj 70% hauv Suav teb.
- Lub zog thiab cement: Coal processing systems, zeb liners, classifier blades.
- High-cov khoom siv hnav: Haum rau cov ntawv thov uas hnav yog thawj qhov ua rau tsis ua haujlwm thiab kev hloov pauv yuav tsum raug txo kom tsawg.
Machining thiab Forming
Machining nyuaj
NM400: Ua haujlwm nrog cov cuab yeej txheem thiab cov txheej txheem ib txwm ua, tsis tas yuav muaj cov txheej txheem nyuaj.
NM450: Yuav tsum tau optimized machining tsis thiab txhim kho qhov kub thiab txias thaum lub sij hawm machining.
Txiav
Plasma txiav yog txoj kev nyiam rau ob qho tib si, muab tus nqi siab -kev ua tau zoo. Rau nplaim taws txiav, NM400 yuav tsum tau preheating rau kwv yees li 100 degree, thiab NM450 yuav tsum tau kwv yees li 150 degree. Laser txiav thiab waterjet txiav yog muaj rau daim ntawv thov uas yuav tsum tau ntau dua precision.
Txias txoj kev
NM400 tuaj yeem txias- khoov mus rau qhov tsim nyog yam tsawg kawg nkaus khoov vojvoog (3t transversely, 4t longitudinally).
NM450 tsis haum rau arbitrary txias dabtsi yog khoov thiab yuav tsum tau ceev faj parameter tswj.
Tshuab dhos
NM400 tuaj yeem siv tus qauv siab -ceev steel (HSS) cov cuab yeej.
NM450 feem ntau xav tau cov cuab yeej carbide lossis cobalt alloy kom ua tiav cov cuab yeej siv lub neej thiab kev ua haujlwm zoo.
Tiv tauj peb tam sim no rau ib nqe lus
📞 Tiv tauj peb hnub no rau kev sib tw hais lus thiab kev sib tham kev tshaj lij uas haum rau koj qhov kev ua haujlwm!
FAQ:
NM400 steel yog dab tsi?
NM400 Phaj yog lub siab -lub zog, hnav- cov hlau tsis muaj zog paub txog nws qhov ua tau zoo dua thiab muaj zog. NM400 yog Suav GB tus qauv steel qib. Cov khoom siv NM 400 yog siv dav hauv kev lag luam uas tsis kam tiv thaiv kev puas tsuaj (ua puas resistant) yog ib qho tseem ceeb, xws li hauv kev tsim kho thiab mining sectors.
NM450 steel yog dab tsi?
NM450 yog ib hom kev puas tsuaj -cov phaj hlau uas paub txog nws qhov tshwj xeeb hardness thiab lub zog. Nrog rau Brinell hardness tus nqi ntawm ib ncig ntawm 450 HBW, NM450 abrasion - cov phaj resistant yog engineered los tiv taus hnyav hnyav thaum tuav cov qauv kev ncaj ncees.
NM400 hnav phaj yog siv rau dab tsi?
NM400 hnav phaj feem ntau yog siv rau hauv cov khoom siv mining, kev tsim kho tshuab, thiab cov khoom siv tuav cov khoom siv uas yuav tsum tau muaj kev ruaj khov thiab kev ua haujlwm zoo.
Puas yog NM400 hnav phaj haum rau kev txiav thiab vuam?
Yog lawm. NM400 hnav phaj tuaj yeem raug txiav, welded, thiab tsim siv cov txheej txheem tsim nyog, ua rau nws tsim nyog rau cov khoom siv xws li cov thoob, cov hlua, thiab cov chutes.