DIN 2391 ST52 honed raj yog precisionseamless steel tubesdav siv nyob rau hauvhnyav -cov khoom siv hydraulic, nrog rau kev tsim kho tshuab, kev lag luam xovxwm, forklifts, thiab mobile hydraulic systems. Ua los ntawmsiab- zog ST52 carbon-manganese steel, cov tubtxias-kos, honed, los yog skived & roller-burnished (SRB)kom ua tau raws li ultra- cov npoo sab hauv du, nruj qhov ntev kam rau ua, thiab zoo heevhnav thiab qaug zog kuj. Nrog leejISO H7 / H8 kam rau ua, zoo ib yamnto roughness (Ra 0.2-0.4 µm), thiab compatibility nrogO-rings, U- khob, thiab piston seals, DIN 2391 ST52 honed hlab yog zoo tagnrho rauhydraulic cylinders, actuators, thiab kev siv nqa nqa. Lawv durability, mechanical zog, thiab machinability ua rau lawv nyiam xaiv rauhnyav -lub luag haujlwm hydraulic tshuab thoob ntiaj teb.
DIN 2391 ST52 Honed Tube yog dab tsi?
DIN 2391 ST52 honed raj yog asiab -precision seamless steel rajtsim los ntawmST52 steel qauvraws liDIN 2391 tus qauv. Cov raj no txias -kos thiab honed los yog SRB tiav los tsim ibsmooth puab bore, kom ntseeg taukev sib txhuam tsawg heev, zoo sealing, thiab ntev - hydraulic kev ua tau zoo. Lawv tau siv dav hauvcov tshuab hnyav, cov xovxwm muaj, hydraulic thooj voos kheej kheej, thiab siab - cov kua dej siab.
Tshuaj muaj pes tsawg leeg ntawm ST52 Steel
| Element | Cov ntsiab lus zoo (%) |
|---|---|
| Cov pa roj carbon (C) | 0.17 – 0.22 |
| Silicon (Si) | 0.10 – 0.40 |
| Manganese (Mn) | 1.40 – 1.80 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.035 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.035 |
Covbalanced tshuaj muaj pes tsawg leegua komsiab tensile zog, zoo heev toughness, thiabzoo machinabilityrau precision honing.
Mechanical Properties
| Khoom | Tus nqi |
|---|---|
| Tensile zog (Rm) | 540-580 MPa |
| Yield zog (Rp0.2) | 355-390 MPa |
| Elongation (A%) | 12 – 14 % |
| Hardness (HB) | 160 – 190 |
| Impact Toughness | Ntau tshaj lossis sib npaug rau 27 J @ 20 degree |
Kev pom zoo:ST52 muabtxaus lub zog thiab qaug zog kujrau hnyav -cov khoom siv hydraulic thaum tseem tshuavtus nqi- zoopiv rau qib siab dua - alloy steel qib.
Dimensions & Tolerances
| Parameter | Ntau yam / Specification |
|---|---|
| Sab hauv Diameter (ID) | 20mm - 400mm (kev cai muaj) |
| Sab nraud Diameter (OD) | 30mm-420 hli |
| Phab ntsa Thickness | 2mm-35 hli |
| Ntev | 3 - 9 m (txiav- mus rau - qhov ntev xaiv) |
| Chav Kawm Tolerance | ISO H7 / H8 / H9 |
| Nto Roughness | Ra Tsawg dua lossis sib npaug li 0.2 - 0.4 µm |
| Kev ncaj | Tsawg dua los yog sib npaug li 1 mm / 1000 mm |
Cov txiaj ntsig tseem ceeb ntawm DIN 2391 ST52 Honed Tubes
High Dimensional Accuracy:ISO H7 / H8 kam rau ua kom pom lub tog raj kheej ua haujlwm
Smooth Inner Surface:Tsis tshua muaj kev sib txhuam, zoo heev rau piston seals thiab hydraulic efficiency
Zoo Fatigue Resistance:Haum rau kev rov ua haujlwm hnyav - voj voog
Tus nqi -Cov khoom siv tau zoo:ST52 steel sib npauglub zog thiab kev lag luam
Qhov Loj Muaj Muaj:Flexible diameters, phab ntsa thicknesses, thiab lengths rau ntau yam machinery
Cov khoom siv
DIN 2391 ST52 honed raj yog dav siv hauv:
Heavy-lub tog raj kheej hydraulicrau kev tsim kho thiab kev lag luam machinery
Forklifts thiab lifting khoomxav tau kev kub siab thiab qaug zog ua haujlwm
Hydraulic presses thiab industrial automation systems
Pneumatic actuators thiab cov khoom siv hluav taws xob ua kua
FAQ
Q1: DIN 2391 ST52 honed raj yog dab tsi?
A:Nws yog siab -lub zog, txias- kosseamless steel rajua los ntawmST52 carbon-manganese hlau, manufactured raws liDIN 2391 tus qauv. Lub bore sab hauv yog precision-honed los yog skived & roller-burnished (SRB) rau ultra- du nto, nruj tolerances, thiab ntev kev pab cuam lub neej. Nws yog dav siv nyob rau hauvhnyav- lub luag haujlwm hydraulic lub tog raj kheej thiab cov tshuab hydraulic.
Q2: Dab tsi yog cov yam ntxwv ntawm kev siv tshuab?
Tensile zog (Rm):540-580 MPa
Yield zog (Rp0.2):355-390 MPa
Elongation (A%): 12–14%
Hardness (HB): 160–190
Q3: Qhov ntau thiab tsawg thiab kam rau ua yog muaj?
Sab hauv Diameter (ID):20-400mm (qhov ntau thiab tsawg muaj)
Sab nraud txoj kab uas hla (OD):30-420 hli
Phab ntsa Thickness:2-35 hli
Ntev:3-9 m (txiav- mus rau -ntev muaj)
Kev kam rau siab:ISO H7 / H8 / H9
Nto Roughness (Ra):Tsawg dua lossis sib npaug li 0.2–0.4 µm
Q4: Cov ntawv thov twg haum rau ST52 honed hlab?
Hnyav-dutyhydraulic lub tog raj kheejrau kev tsim kho tshuab
Kev lag luamhydraulic presses thiab actuators
Forklifts, nqa, thiab cov khoom siv tuav cov khoom
High -kua kua tshuabyuav tsum tau nruj tolerances thiab qaug zog kuj
Q5: ST52 honed raj puas tuaj yeem yog chrome-plated?
A:Yog lawm. Sab hauv chrome plating feem ntau yog siv los ncehnav tsis kam, tiv thaiv corrosion, thiab lub tog raj kheej lifespan.
Q6: Qhov txawv ntawm ST52 thiab E355 honed raj yog dab tsi?
A:
Qauv: ST52Tus nqi -zoo, muaj zog zoo thiab qaug zog, haum rau cov qauv hnyav- daim ntawv thov.
E355:Siab zog tensile thiab yield zog, zoo zog qaug zog, thiab me ntsis smoother bore, nyiam rausiab-siab lossis ultra- hnyav- lub tog raj kheej hydraulic.
Q7: Yuav ua li cas zoo ntawm ST52 honed raj kom ntseeg tau?
Dimensional soj ntsuam (ID, OD, phab ntsa thickness)
Kev ntsuas qhov roughness ntawm qhov chaw
Kev ncaj ncees thiab kev kuaj pom
Mechanical xeem (tensile, tawm los, elongation)
Kev xaiv tsis yog -kev kuaj kev puas tsuaj (NDT)
Q8: Puas yog kev cai loj thiab kam rau ua?
A:Yog lawm. Cov neeg tsim khoom tuaj yeem muab kev caidiameters, phab ntsa thicknesses, lengths, thiab toleranceskom tau raws li cov khoom siv hydraulic tshwj xeeb.
Q9: Lub sij hawm xa tuaj yog dab tsi?
A:Standard qhov ntau thiab tsawg feem ntau yog npaj rau cov khoom xa tuaj hauv2-4 lub lis piam, thaum kev cai qhov ntau thiab tsawg yuav xav tau4-6 lub lis piam, nyob ntawm kev txiav txim kom muaj nuj nqis thiab specifications.
Q10: Vim li cas thiaj xaiv DIN 2391 ST52 honed raj rau hydraulic kheej kheej?
A:Lawv ua kelub zog, precision, thiab nqi -efficiency, kom ntseeg tauntev -lub tog raj kheej ua haujlwm ntev, kev sib txhuam tsawg, thiab kev sib khi ruaj khov, ua rau lawv zoo tagnrho rau hnyav -cov haujlwm ua haujlwm.
Xi'an Dongmeng Group Co., Ltd.
Koj Trusted Supplier ntawm DIN 2391 ST52 Honed Tubes rau Hydraulic Lub tog raj kheej
Peb qhov chaw nyob
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