Khoom Description
Nyob rau hauv lub ntiaj teb no ntawm welded gas cylinder manufacturing, xaiv cov khoom yog ib qho kev txiav txim siab uas sib npaug kev nyab xeeb, manufacturability, thiab tus nqi -effectiveness. Ntawm cov qib steel ntau yam muaj,HP 265sawv tawm raws li lub hom phiaj - engineering daws teeb meem rau kev siv cov hlab ntsha tshwj xeeb.
Cov lus qhia dav dav no suav nrog txhua yam koj xav paub txog HP265 steel daim hlau -los ntawm kev qhia tshwj xeeb thiab tshuaj lom neeg muaj pes tsawg leeg rau kev siv tswv yim thiab kev xaiv.
Raws li cov kws tshaj lij steel chaw tsim khoom,GNEEmuab siab- qib HP265 steel phaj thiab coils uas nruj me ntsis ua raws li JIS G3116 tus qauv. Nrog ntau xyoo dhau los ntawm kev tsim khoom thiab cov saw hlau muaj zog, GNEE ua kom ntseeg tau tias koj li LPG lub tog raj kheej tsim tau raws li cov qauv kev nyab xeeb thoob ntiaj teb siab tshaj plaws, muab kev thaj yeeb nyab xeeb rau ntau lab tsev neeg.
HP265 Steel yog dab tsi?
Lus Txhais thiab Sau Npe Convention
HP265 yog qhov tshwj xeebkub- dov los yog txias - dov steel phajtsim los rau kev tsim welded gas cylinders. Lub rooj sib tham naming ua raws li tus qauv logic:
| Cheebtsam | Lub ntsiab lus |
|---|---|
| H | "Hàn" (Weld) - hauv Suav |
| P | "Píng" (Lub tog raj kheej / Lub raj mis) - hauv Suav |
| 265 | Yam tsawg kawg yield zog hauv MPa |
Lub npe "HP" txhais tau tias "weld- lub raj mis steel," qhia meej txog nws daim ntawv thov. Tus naj npawb 265 sawv cev rauguaranteed yam tsawg kawg nkaus yield zogntawm 265 megapascals (MPa).
Cov qauv siv tau
HP265 yog tswj hwm los ntawm lubwb 6653tus qauv (tam sim no version GB / T 6653-2017), lub npe "Steel Phaj thiab Strips rau Welded Gas Lub tog raj kheej". Lub teb chaws Suav tus qauv no qhia cov kev cai rau:
- Tshuaj muaj pes tsawg leeg
- Mechanical zog
- Dimensional kam rau ua
- Nto zoo
- Cov txheej txheem kuaj
- Kev soj ntsuam cov cai
Txoj hauj lwm hauv HP Series
HP265 belongs rau tsev neeg ntawm weldable siab nkoj steels. Nov yog qhov uas nws haum:
| Qib | Yield zog (MPa) | Tensile zog (MPa) | Elongation (Ntau dua lossis sib npaug li 3 hli) | Daim ntawv thov |
|---|---|---|---|---|
| HP 235 | Ntau dua lossis sib npaug rau 235 | 380-500 | Ntau dua lossis sib npaug li 28% | Lub tog raj kheej me me |
| HP 265 | Ntau dua lossis sib npaug rau 265 | 410-520 | Ntau dua lossis sib npaug li 27% | Standard LPG lub tog raj kheej |
| HP 295 | Ntau dua lossis sib npaug li 295 | 440-560 | Ntau dua lossis sib npaug li 26% | Hnyav - lub luag haujlwm LPG lub tog raj kheej |
| HP 325 | Ntau dua lossis sib npaug rau 325 | 490-600 | Ntau dua lossis sib npaug li 22% | Siab - lub tog raj kheej siab |
| HP 345 | Ntau dua lossis sib npaug rau 345 | 510-620 | Ntau dua lossis sib npaug li 21% | Industrial gas cylinders |
HP265 nyob hauv "qhov chaw qab zib" rau ntau daim ntawv thov txheej txheem- muab lub zog ntau dua li HP235 rau kev txhim kho kev nyab xeeb cov npoo thaum tuav cov qauv zoo dua li HP295 rau cov duab nyuaj.
Technical Specifications
Tshuaj muaj pes tsawg leeg
| Element | Cov ntsiab lus siab tshaj (%) | Lub hom phiaj |
|---|---|---|
| Cov pa roj carbon (C) | 0.18 | Lub zog; txwv kom ntseeg tau tias weldability |
| Silicon (Si) | 0.10 | Deoxidation; qis Si txhim kho nto zoo |
| Manganese (Mn) | 0.80 | Kev daws teeb meem ntxiv dag zog |
| Phosphorus (P) | 0.025 | nruj me ntsis txwv kom tsis txhob txias luv luv |
| Sulfur (S) | 0.012-0.015 | nruj me ntsis txwv kom tsis txhob kub luv luv |
| Aluminium (Als) | Ntau dua lossis sib npaug rau 0.015 | Grain refinement thiab deoxidation |
Microalloying Elements
Txhawm rau txhim kho kev ua tau zoo, HP265 yuav muaj me me ntawm microalloying ntsiab lus:
| Element | Cov ntsiab lus siab tshaj (%) | Cov txiaj ntsig |
|---|---|---|
| Vanadium (V) | 0.10 | Ua kom dej nag ntxiv |
| Niobium (Nb) | 0.05 | grain refinement |
| Titanium (Ti) | 0.06 | Precipitate tsim |
| Nb + V | 0.12 (ua ke) | Tswj kev sib xyaw ua ke |
Cov khoom seem
Rau kev tswj kom zoo, cov khoom seem yog txwv:
Chromium (Cr) Tsawg dua lossis sib npaug li 0.30%
Nickel (Ni) Tsawg dua lossis sib npaug li 0.30%
Molybdenum (Mo) Tsawg dua lossis sib npaug li 0.30%
Copper (Cu) Tsawg dua lossis sib npaug li 0.20%
Cov ntsiab lus ntawm kev ntsuam xyuas cuam tshuam
- Kev ntsuas kubChav tsev kub (23 ± 5 degree)
- Specimen Orientation: Transverse mus rau dov kev taw qhia
- Qauv Loj10mm × 10mm (5mm × 10mm rau cov ntaub ntawv nyias)
- Kev lees txais:
- Qhov nruab nrab ntawm 3 tus qauv Ntau dua lossis sib npaug rau 27 J
- Ib tus nqi yuav qis dua tab sis Ntau dua lossis sib npaug li 70% ntawm tus nqi teev tseg (Ntau dua lossis sib npaug rau 19 J)
- Kev zam: Thickness<6mm - impact test not required
Advanced Property Requirements
Rau kev thov cov ntawv thov, cov khoom ntxiv tuaj yeem raug teev los ntawm kev pom zoo:
| Kev Xav Tau | Specification | Cov txiaj ntsig |
|---|---|---|
| Yield-rau-Tensile Ratio | Tsawg dua los yog sib npaug li 0.8 | Kev ceeb toom ntau dua ntawm cov yas deformation ua ntej ua tsis tiav |
| Loj Loj | Ntau dua lossis sib npaug rau Qib 6 | Txhim kho toughness thiab formability |
| Tsis yog -metallic Inclusions | Tsawg dua lossis sib npaug rau Qib 3 txhua hom | Txhim kho lub neej qaug zog |
Tsawg-Kev Ua Haujlwm Kub
2017 tus qauv kho dua tshiab tau qhia-40℃ntsuas qhov ntsuas kub qisua ib qho kev xaiv rau kev txhim kho kev nyab xeeb nyob rau hauv qhov chaw txias. Qhov no sawv cev rau kev txhim kho tseem ceeb tshaj li cov qauv ua ntej uas tsuas yog xav tau kev ntsuas kub hauv chav.
Lub cev thiab cov khoom ua haujlwm
Vim li cas HP265 Welds Zoo:
Cov ntsiab lus carbon tsawg (tsawg dua lossis sib npaug li 0.18%) txo qis qhov tawv
Tsawg carbon sib npaug (Ceq) txo qhov mob khaub thuas tawg
Kev tswj nruj S thiab P tiv thaiv kub tawg
Fine grain qauv txhim kho weld cheeb tsam toughness
Cov txheej txheem vuam pom zoo:
Submerged arc vuam (SAW)
Gas hlau arc vuam (GMAW/MIG)
Shielded hlau arc vuam (SMAW)
Siab - zaus kuj welding (rau seams)
Cov kev ceev faj:
Tsis muaj preheating feem ntau yuav tsum tau rau thicknesses Tsawg dua los yog sib npaug rau 25mm
Siv cov khoom ua kom zoo sib xws rau cov khoom zoo
Tshaj tawm -weld kev kho cua sov tsis tas yuav tsum tau ua tab sis tuaj yeem txo cov kev ntxhov siab uas seem
Formability
HP265 nthuav tawm cov yam ntxwv txias txias zoo heev:
| Kev Ua Haujlwm | Kev ua tau zoo | Ntsiab Parameter |
|---|---|---|
| Daim duab sib sib zog nqus | Zoo heev | Elongation Ntau dua lossis sib npaug li 27% |
| Khoov | Zoo heev | 180℃khoov tsis tawg |
| Khiav | Zoo | Uniform phab ntsa thickness faib |
| Flanging | Zoo | Tsawg ua hauj lwm hardening tus nqi |
Manufacturing Sequence rau Hom LPG Lub tog raj kheej:
Kev txiav dawb
Kub / txias daim duab ntawm lub kaus mom kawg
Lub tog raj kheej lub cev dov thiab vuam
Caj dab txoj kev thiab threading
Kev kho cua sov (kev ntxhov siab nyem annealing)
Daim ntawv thov
HP265 yog tsim tshwj xeeb rau:
| Daim ntawv thov | Kev piav qhia | Hom Kev Ua Haujlwm Siab |
|---|---|---|
| LPG lub tog raj kheej | Tsev thiab lag luam propane / butane tanks | 2.1-3.0 MPa |
| Dissolved acetylene cylinders | Muaj roj cia | 2.5 MPa |
| Cov hlab ntsha me me | Ntau yam compressed gases |
Mus txog 4.0 MPa |
HP265 vS HP295: Yuav xaiv li cas
Xaiv HP265 thaum:
✓ Lub tog raj kheej ua haujlwm siab Tsawg dua lossis sib npaug li 2.5 MPa
✓ Cov duab tsis yooj yim nrog kev kos duab tob
✓ Maximizing formability yog qhov tseem ceeb
✓ Kev ua kom zoo tshaj tus nqi yog qhov tseem ceeb
✓ Welding tej yam kev mob nyuaj
✓ Phab ntsa thickness tsis txwv los ntawm qhov hnyav
Xaiv HP295 thaum:
✓ Kev ua haujlwm siab dua (Ntau dua lossis sib npaug ntawm 2.5 MPa)
✓ Qhov hnyav txo yog qhov tseem ceeb (cov phab ntsa nyias)
✓ Txheem lub tog raj kheej geometries (tsawg txoj kev sib sau)
✓ Kev xa tawm mus rau kev lag luam xav tau SG295 (JIS tus qauv)
✓ Nrhiav kev nyab xeeb ntxiv
Hu rau tam sim no kom tau txais kev pov npav
Puas yog HP265 haum rau lub tog raj kheej oxygen?
Tsis feem ntau. Oxygen cylinders xav tau kev huv huv thiab kev sib raug zoo. HP265 feem ntau yog tsim los rau LPG thiab acetylene. Rau siab - siab oxygen cylinders, sab laj cov qauv tsim nyog (xws li ISO 9809).
HP265 puas tuaj yeem siv rau lub tog raj kheej rov qab?
Yog lawm, HP265 tshwj xeeb yog tsim los rau cov roj refillable welded lub tog raj kheej thiab tau siv tau ntau xyoo hauv kev pabcuam LPG.
Puas yog HP265 xav tau kev tshaj tawm -weld cua sov kho?
Tsis tas yuav tsum tau siv rau feem ntau cov ntawv thov, tab sis kev ntxhov siab nyem annealing feem ntau ua rau:
Tshem tawm cov kev ntxhov siab seem ntawm kev tsim
Ua haujlwm soften-cov chaw tawv
Xyuas kom cov khoom sib xws
HP265 piv rau SG255 (JIS tus qauv) li cas?
HP265 yog qhov tseem ceeb sib npaug rau SG255. Feem ntau Suav mills tuaj yeem tsim cov khoom ua tau raws li ob qho tib si qauv. Txheeb xyuas cov cai tshwj xeeb thaum hloov pauv.
Qhov kev pabcuam siab tshaj plaws rau HP265 lub tog raj kheej yog dab tsi?
HP265 yog tsim los rauib txwm ambient kub (-40°C to +60°C). For elevated temperature service (>200 degree), sab laj cov qauv tsim thiab xav txog kev nkag siab -cov hlau tsis muaj zog.
