HP295 Steel yog dab tsi?
HP 295yog ib qho tshwj xeeb kub- dov carbon manganese steel qib tau teev tseg raws li Suav tus qauv GB/T 6653 (yav tas los GB6653), hu ua "Steel daim hlau thiab strips rau welded gas cylinders" Lub npe "HP" stands rau "Hydrogen cylinder" lossis "Gas cylinder55yield", thaum "2 xav tau los ntawm specification.
Tsis zoo li cov qauv qauv hlau, HP295 tau tsim tshwj xeeb rau kev tsim cov welded siab - lub tog raj kheej siab, xws li LPG (liquefied petroleum gas) lub tog raj kheej, cov roj tso tsheb hlau luam, thiab cov tua hluav taws.
Cov qib sib npaug ntawm lub zog, ductility, thiab weldability kom tiv taus cov kev kub ntxhov thiab cov txheej txheem sib sau ua ke (sib sib zog nqus nqus thiab vuam) xav tau rau kev tsim cov hlab ntsha seamless.
Technical Specifications & Standards ntawm HP295 steel
HP295 poob rau hauv kev txiav txim ntawm Standardization Administration ntawm Tuam Tshoj (SAC). Tus qauv tswj hwm yog GB / T 6653.
- Scope: Kub- dov steel phaj thiab strips rau welded gas cylinders.
- Thickness Range: Feem ntau yog tsim los ntawm 1.5 hli mus rau 12 hli (hom LPG lub tog raj kheej thicknesses li ntawm 2.0 hli mus rau 4.0 hli).
- Khoom Muag Khoom: Feem ntau muab rau hauv qhov kub - dov thiab pickled lossis dub lub xeev, normalized, los yog thermomechanically dov.
HP295 Steel Technical Specifications & Standards
Sib piv Standard Equivalents
Txhawm rau nkag siab HP295 txoj haujlwm thoob ntiaj teb, cov lus hauv qab no suav nrog nws cov qauv thoob ntiaj teb. HP295 yog qhov tseem ceeb sib npaug rau P265NB hauv Europe thiab SG295 hauv Nyiv
| Thaj tsam | Txuj | Qib sib npaug | Yield zog (MPa) |
|---|---|---|---|
| Tuam Tshoj | GB/T 6653 | HP 295 | Ntau dua lossis sib npaug li 295 |
| Thoob ntiaj teb | TS EN ISO 4978 | P295N | ~295 |
| Teb chaws Europe | TS EN 10207 | P265NB (1.0423) | Ntau dua lossis sib npaug rau 265 - 295 |
| Nyiv | JIS G3116 | SIB 295 | Ntau dua lossis sib npaug li 295 |
| Teb chaws USA | ASTM A414 Cov khoom lag luam | Qib E | ~ 275 (qis qis) |
Chemical Composition Requirements ntawm HP295 steel
Lub metallurgical tsim ntawm HP295 tsom rauqis carbonlos xyuas kom meej weldability zoo heev thiab txaus manganese rau kev daws teeb meem ntxiv dag zog. Kev txwv nruj rauP(phosphorus) thiabS(Sulfur) yog tsim los tiv thaiv weld tawg thiab txhim kho toughness.
Raws li GB / T 6653 thiab cov ntaub ntawv zeb cov ntaub ntawv, cov kev txwv ntsuas kub yog raws li hauv qab no
| Element | Kev sib xyaw (Max%) | Lub luag haujlwm hauv Steel |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.18 | Tuav lub zog tab sis khaws cia qis kom tiv thaiv weld hardening thiab tawg. |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.10 | Deoxidizer. Khaws qis kom tiv thaiv txheej txheej tsis xws luag thaum lub tog raj kheej pleev xim. |
| Manganese (Mn) | Tsawg dua los yog sib npaug li 1.00 | Ua kom muaj zog tensile thiab toughness yam tsis muaj ductility. |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.025 | Kev tswj nruj nruj kom tsis txhob txias luv. |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.015 | Tswj kom tsis txhob kub tawg thaum vuam. |
| Aluminium (Als) | Ntau dua lossis sib npaug rau 0.015 (Min) | Grain refiner los txhim kho toughness. |
Kev cuam tshuam ntawm Chemistry:Cov ntsiab lus Manganese kuj tsawg (piv rau cov qauv hlau zoo li Q345) ua kom muaj qhov feem pua elongation siab, uas yog qhov tseem ceeb thaum cov hlau disc sib sib zog nqus - kos rau hauv lub tog raj kheej.
Mechanical Properties ntawm HP295 steel
HP295 yuav tsum xeem dhau nruj tensile thiab dabtsi yog khoov xeem. Lub ntsiab yam ntxwv ntawm HP295 yog nwsqis yield ratio(Yield / Tensile zog). Tus nqi qis qis (feem ntau<0.8) means the material will deform plastically (show warning signs) before bursting, which is a critical safety feature for gas cylinders
Tensile Requirements
| Khoom | Tus nqi (HP295) | Vim li cas nws tseem ceeb rau Cylinders |
|---|---|---|
| Yield zog (ReL) | Ntau dua lossis sib npaug li 295 MPa | Xyuas kom lub tog raj kheej lub cev tsis deform mus tas li raws li tus qauv sau siab. |
| Tensile zog (Rm) | 440-560 MPa | Muab qhov kawg tawg lub zog. |
| Elongation (A) | Ntau dua lossis sib npaug li 26% (rau t Ntau dua lossis sib npaug li 3 hli) | Qhov tseem ceeb rau txoj kev kos duab sib sib zog nqus. High elongation tiv thaiv kev tawg ntawm lub tog raj kheej puag ncig. |
| Yield Ratio | Feem ntau Tsawg dua lossis sib npaug rau 0.75-0.80 | Kev nyab xeeb yam. Tso cai rau cov hlau kom ncab ua ntej tawg nyob rau hauv overpressure scenarios. |
Kev sib piv nrog HP295 vs HP345
| Qib | Tawm tswv yim (MPa) | Elongation (%) | Formability | Daim ntawv thov |
|---|---|---|---|---|
| HP 295 | Ntau dua lossis sib npaug li 295 | Ntau dua lossis sib npaug li 26 | Zoo heev (High ductility) | LPG Lub tog raj kheej, Cov Hluav Taws Xob Hluav Taws Xob |
| HP 345 | Ntau dua lossis sib npaug rau 345 | Ntau dua lossis sib npaug li 21 | Nruab Nrab (Yuav tsum muaj zog ntxiv) | Hnyav siab cov hlab ntsha, cov tso tsheb hlau luam |
Kev tsim khoom & Vuam ntawm HP295 steel
Txoj kev tsim khoom
Kev tsim ntawm HP295 ua raws li kev tswj hwm:
- Steelmaking: BOF or EAF -> LF (Ladle Refining) ->VD (Nqus Degassing).
- Nruam Casting:Txhawm rau tsim cov slabs nrog kev sib cais tsawg kawg nkaus.
- Kub Rolling:Reheating ua raws li kev tswj dov ntawm ASP los yog cov pa kub sawb mills.
- Cua txias:Tswj cua txias (xws li laminar ntws txias) kom ua tiav qhov xav tau ferrite / pearlite microstructure .
Vuam txheej txheem
HP295 yog lub npe nrov rau nws cov weldability zoo heev vim nws cov pa roj carbon sib npaug (Ceq).
- Ceqfeem ntau <0.35% (tsis muaj preheating yuav tsum tau rau nyias phab ntsa).
- Cov txheej txheem:Submerged Arc Welding (SAW) rau qhov ntev seam; Los ntawm txhais tes Hlau Arc (MMA) los yog MIG rau fittings.
- Filler hlau:ER70S-6 lossis E7018 electrodes yog sib xws.
- Thaum tshav kub kub kho Post- Weld:Txhawm rau txo qis kev ntxhov siab los ntawm vuam (thiab xyuas kom muaj kev nyab xeeb thaum kuaj hydrostatic), lub tog raj kheej feem ntau muaj kev ntxhov siab- nyem annealed (Normalized) tom qab vuam
Vim li cas GNEE cov tuam txhab xaiv HP295 tshaj cov khoom qis qis -carbon steels?
- Anti-Aging Properties:HP295 feem ntau yog muab raws li cov hlau tua (Aluminium deoxidized). Nws tiv thaiv kev laus thaum lub sij hawm tsim, tiv thaiv lub tog raj kheej los ntawm kev nkig dhau nws lub neej 20 xyoo.
- Nto Zoo:Qhov kub- dov saum npoo yog ua kom zoo kom txo qis qhov tsis xws luag uas tuaj yeem ua rau muaj kev ntxhov siab thaum lub sij hawm muaj kev kub ntxhov siab (txog 20 bars rau LPG).
- Nqe:Raws li tus qauv carbon steel, nws yog pheej yig dua li cov hlau tsis muaj steel lossis chrome-moly alloys siv rau kev lag luam gases.
Vim li cas HP295 thiaj nyiam?
Siab -Volume Reliability:Zoo tagnrho rau automated manufacturing, txo tus nqi rejection thaum sib sib zog nqus nqus thiab vuam.
Kev sib raug zoo:Cov khoom siv sib xyaw ua ke thiab qhov zoo ntawm qhov chaw txo cov khib nyiab hauv cov txheej txheem tsim khoom.
Durability:Haum rau kev tiv thaiv txhua hnub, hnyav - siv lub luag haujlwm hauv kev lag luam thiab hauv tsev.
Daim Ntawv Thov Scope
HP295 yog cov khoom tseem ceeb rau Liquefied Petroleum Gas (LPG) cylinders pom nyob rau hauv tsev chav ua noj thiab tsheb roj tso tsheb hlau luam. Nws kuj tseem siv tau rau:
- Propane tanks (BBQ thooj voos kheej kheej)
- Industrial solvent tanks
- Cua nres reservoirs (tsheb)
- Lub cev tua hluav taws
Nrhiav rau tus neeg muag khoom txhim khu kev qha ntawm HP295 roj lub tog raj kheej steel? Hu rauGNEEhnub no rau cov kws tshaj lij cov lus qhia, tus nqi sib tw, thiab xa khoom sai - cia peb pab koj xaiv qhov kev daws teeb meem zoo tshaj plaws rau koj qhov project.
Hu rau tam sim no kom tau txais roj cylinder steel daim hlau Quote
Yuav ua li cas yuav tsum tau qhib lub welding gas cylinder valve?
Vuam roj lub tog raj kheej li qub yuav tsum tau qhib maj mam, sawv ntsug rau sab ntawm tus tswj hwm, tsis txhob nyob rau pem hauv ntej. Rau inert gases (Argon, CO2) thiab Oxygen, qhib lub valve tag nrho toback - zaum nws, tiv thaiv kom tsis txhob xau. Acetylene li qub yuav tsum tsuas yog qhib ib lub hlis twg rau ib qho -
thiab -a- ib nrab tigS.This video qhia yuav ua li cas qhib lub acetylene lub tog raj kheej li qub:
Dab tsi yog qhov siab siab gas cylinders haum nrog?
Lub Anatomy ntawm Lub Siab -Pressure Gas Lub tog raj kheej
Txhua lub siab- lub tog raj kheej siab muaj xws li lub nkoj siab (lub plhaub), lub caj dab / lub xub pwg nyom, thiab lub valve sib dhos nrog lub qhov hluav taws xob tau hais tseg. Cov qauv tseem ceeb muaj xws li: li qub thiab qhov hluav taws xob.
HP295 khoom yog dab tsi?
HP295 yog cov pa roj carbon steel phaj / sawb tshwj xeeb rau welded gas cylinders, ua raws li lub teb chaws tus qauv GB / T 6653-2017. Nws yog tsuas yog siv nyob rau hauv kev tsim cov hlab ntsha xws li liquefied roj av lub tog raj kheej thiab acetylene cylinders.
"295" nyob rau hauv qib HP295 yog dab tsi?
Nws sawv cev rau qhov tsawg kawg nkaus yield zog Ntau tshaj los yog sib npaug rau 295 MPa, ib tug tseem ceeb qhia ntawm lub zog qib ntawm roj kheej kheej steel.
Lub teb chaws twg tus qauv HP295 ua raws li?
Nws ua raws li GB / T 6653-2017 "Steel Palates and Strips for Welded Gas Cylinders," hloov cov laus version GB 6653-1994.
