P265GHyog ib qho uas tsis yog- alloy zoo hlau tsim los siv rau hauv cov hlab ntsha siab, boilers, thiab cov cua kub exchangers. Nws tau teev nyob rau hauv European tus qauv EN 10028-2.
Ntsiab Specifications
Khoom Naj Npawb: 1.0425.
Lub ntsiab lus:
P: Lub hom phiaj siab.
265: Yam tsawg kawg nkaus yield zog ntawm265 MPa rau(rau thicknesses Tsawg dua los yog sib npaug li 16 hli).
GH: Haum rau kev ua haujlwm siab kub.
Qhov kub thiab txias: Haum rau kev ua haujlwm txuas ntxiv mus txog kwv yees li.400 degree(752℃F), thiab mus txog450 degreephab ntsa kub rau cov kav dej.
Tshuaj muaj pes tsawg leeg
| Element | Cov ntsiab lus (%) |
|---|
| Hlau, Fe | ~98 |
| Carbon, C | 0.16-0.20 |
| Manganese, Mn | 0.70-1.40 |
| Silicon, Sib | Tsawg dua lossis sib npaug li 0.40 |
| Phosphorus, P | Tsawg dua lossis sib npaug li 0.025 |
| Sulfur, S | Tsawg dua lossis sib npaug li 0.015 |
Lub cev muaj zog
| Lub cev khoom | Metric | Imperial |
|---|
| Qhov ntom | 7.85 g / cm³ | 0.284 lb/in³ |
| Melting Point | 1420-1460 degree | 2588-2660℃F |
| Boiling Point | Tsis muaj | Tsis muaj |
| Thermal conductivity | 51 W/m·K | 354 BTU·in/(hr·ft²·° F) |
| Hluav taws xob conductivity | ~ 10.7 MS / m | ~ 10.7 MS / m |
| Tshwj xeeb kub muaj peev xwm | 480 J/kg · K | 0.114 Btu/lb ·℃F |
| Thermal Expansion Coefficient | 12.5 × 10⁻⁶ /K | 6.94 × 10⁻⁶ /℃F |
| Hluav taws xob Resistivity | ~ 0.093 Ω·mm² / m | ~ 0.093 Ω·mm² / m |
Mechanical Properties
| Mechanical Property | Metric | Imperial |
|---|
| Tensile zog | 410-530 MPa | 59.5-76.9 hli |
| Yield zog | 265 MPa rau | 3 8,4 tzk |
| Brinell Hardness | ~ 130 HB | ~ 130 HB |
| Rockwell Hardness | ~73 PAB | ~73 PAB |
| Vickers Hardness | ~ 131 HV | ~ 131 HV |
| Elongation | 23-25% | 23-25% |
| Elastic Modulus | 210 GPa | 30,500 ksg |
| Impact Zog | 27 J ntawm 20 degree | 19.9 ft·lbf ntawm 68℃F |
P265GH ua
Vuam: Haum rau kev siv vuam zoo li arc vuam, roj tiv thaiv vuam thiab submerged arc vuam. Preheat rau 80-150℃kom tiv thaiv cov kab mob khaub thuas; tom qab-weld kev kho cua sov (600-650 degree) yog pom zoo rau cov tuab workpieces kom txo tau qhov seem seem. Welding consumables yuav tsum phim nws cov khoom siv kho tshuab, ua raws li EN cov qauv.
tsim: tuaj yeem ua kub- tsim thiab txias- tsim. Kub sib sau kub ntau li 900-1100 degree, nrog qeeb txias tom qab sib sau ua kom muaj zog. Kev ua kom txias (piv txwv li, khoov, stamping) yog ua tau nyob rau hauv chav tsev kub, tab sis tsis txhob deformation ntau dhau; Kev ntxhov siab nyem annealing tej zaum yuav xav tau tom qab.
Tshuab dhos: Features zoo machinability. Siv cov cuab yeej siab - ceev steel lossis cemented carbide. Txais nruab nrab txiav ceev thiab pub tus nqi; xyuas kom txaus txias nrog cov kua txiav kom tsis txhob overheating thiab cov khoom hardening, uas yuav cuam tshuam rau machining raug thiab cuab yeej lub neej.
Kev kho cua sov: Kev xa khoom feem ntau yog normalized (890-950 degree, cua txias) lossis normalized + tempered. Tom qab-kev kho cua sov yuav tsum tsis txhob overheating, thiab nruj me ntsis tswj qhov kub thiab txias thiab tuav lub sij hawm los xyuas kom meej cov khoom ruaj khov ua tau zoo yam tsis tas yuav txo tau lub peev xwm.
Cov ntawv thov tseem ceeb
Boiler thiab Chav System Cheebtsam: Raws li cov khoom tseem ceeb rau boilers thiab siab hlab ntsha, P265GH yog dav siv nyob rau hauv manufacturing boiler nruas, superheater plhaub, thiab reheater hlab nyob rau hauv thermal thiab nuclear fais fab nroj tsuag. Nws tuaj yeem tiv taus siab - qhov kub thiab txias qhov yaig thiab siab, ua kom ruaj khov ntawm cov khoom siv hluav taws xob
Cov cuab yeej Petrochemical: Nws yog siv rau fabricate hydrogenation reactors, synthesis towers, thiab siab -kub cracking devices. Nws kuj haum rau cov roj thiab cov kav xa hluav taws xob (tshwj xeeb tshaj yog cov uas muaj kev tiv thaiv -H₂S corrosion tsim) thiab cov tshuaj distillation yees, yoog rau qhov chaw ua haujlwm hnyav nrog kub thiab siab.
Thaum tshav kub kub Exchangers thiab Pressure Vessels: Siv los ua cov cua kub exchanger raj phaj, separators, spherical tanks, thiab LNG cia tank liners. Nws zoo toughness thiab siab-cov kabmob muaj peev xwm ua tau raws li qhov yuav tsum tau muaj ntawm nruab nrab thiab qis- kub siab lub nkoj tsim khoom
Lwm Cov Kev Lag Luam: Nws yog ua haujlwm nyob rau hauv siab - kub thiab siab - cov kav dej siab ntawm cov chaw tsim khoom siv hluav taws xob, cov khoom siv cua sov hauv nruab nrab, thiab txawm tias cov khoom siv ntawm kev tsim kho thiab engineering machinery (thaum qis-kub toughness yuav tsum tau ua tiav)
Yog tias koj xav paub ntxiv txog GNEE cov khoom, koj tuaj yeem xa email rau beam@gneesteelgroup.com. Peb zoo siab tshaj los pab koj.
P265GH yog dab tsi?
P265GH yog European txheem siab lub nkoj steel qib teev nyob rau hauv EN 10028-2. Nws yog ib qho tsis yog - alloy structural steel nrog zoo weldability, siab kub tsis kam thiab siab-cov kabmob muaj peev xwm, dav siv hauv boiler thiab siab nkoj tsim.
Tus qauv twg txhais tau tias P265GH?
P265GH feem ntau txhais los ntawm European tus qauv EN 10028-2, uas qhia txog cov txheej txheem xa khoom rau cov hlau tsis muaj hlau thiab hlau alloy rau lub hom phiaj siab. Cov qauv no tswj nws cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab thiab cov txheej txheem tshuaj xyuas.
Dab tsi yog cov tshuaj tseem ceeb ntawm P265GH?
Cov khoom siv tshuaj tseem ceeb ntawm P265GH suav nrog C ( Tsawg dua lossis sib npaug li 0.20%), Si (Less dua lossis sib npaug li 0.35%), Mn (1.00-1.60%), P (Less dua lossis sib npaug 0.025%), S (Less dua lossis sib npaug li 0.015%), thiab cov khoom ua haujlwm zoo li, Ni.
Dab tsi yog cov yam ntxwv ntawm P265GH?
P265GH muaj lub zog tawm los ntawm Ntau dua lossis sib npaug ntawm 265 MPa (ntawm chav tsev kub), tensile lub zog ntawm 410-530 MPa, elongation tom qab tawg ntawm ntau dua los yog sib npaug rau 24%, thiab zoo cuam tshuam toughness, haum rau bearing siab thiab kub kub ib puag ncig.
Qhov siab tshaj plaws ua haujlwm kub ntawm P265GH yog dab tsi?
Qhov siab tshaj plaws kev khiav hauj lwm kub ntawm P265GH feem ntau nyob ib ncig ntawm 400-450 degree. Tshaj li qhov no, nws cov khoom siv kho tshuab tuaj yeem txo qis, cuam tshuam rau kev nyab xeeb thiab kev pabcuam lub neej ntawm cov khoom siv los ntawm nws.
Puas yog P265GH weldable?
Yog lawm, P265GH muaj weldability zoo heev. Nws tuaj yeem welded siv ntau txoj hauv kev xws li arc vuam, roj vuam thiab vuam vuam yam tsis muaj preheating nyob rau hauv ib txwm tuab, tab sis kom zoo ncej- vuam cua sov yuav xav tau rau tuab workpieces.
Dab tsi yog cov ntawv thov ntawm P265GH?
P265GH yog dav siv nyob rau hauv kev tsim boilers, siab hlab ntsha, tshav kub exchangers, chav kav thiab lwm yam khoom uas ua hauj lwm nyob rau hauv nruab nrab kub thiab siab, tshwj xeeb tshaj yog nyob rau hauv roj av, tshuaj thiab hluav taws xob industries.
Qhov txawv ntawm P265GH thiab P235GH yog dab tsi?
Qhov sib txawv tseem ceeb nyob rau hauv lub zog tawm los: P265GH muaj lub zog tawm los ntawm Ntau dua lossis sib npaug rau 265 MPa, thaum P235GH siab dua lossis sib npaug rau 235 MPa. P265GH kuj tseem muaj zog tensile ntau dua, ua rau nws tsim nyog rau cov khoom siv uas xav tau siab dua -cov kabmob muaj peev xwm.
P265GH puas xav tau kev kho cua sov?
P265GH feem ntau yog muab rau hauv lub xeev zoo li qub (kev kho cua sov ntawm 890-950℃thiab cua txias). Rau cov tuab-walled Cheebtsam los yog tom qab vuam, kev nyuaj siab annealing yuav tsum tau tshem tawm kev ntxhov siab nyob rau hauv thiab txhim kho cov khoom toughness.
Dab tsi yog qhov thickness ntau ntawm P265GH daim hlau?
Lub thickness ntau ntawm P265GH daim hlau yog 6-200 hli. Rau cov thicknesses tshaj 100 hli, cov qauv tshuaj xyuas nruj dua (xws li kev kuaj ultrasonic) yuav tsum tau ua kom tsis muaj kev cuam tshuam sab hauv uas cuam tshuam rau kev ua haujlwm.