P460 NHyog qib siab -kev ua tau zoo tsis yog- alloy siab nkoj steel qib uas nruj me ntsis ua raws li European tus qauv EN 10028-3, uas tswj hwm cov txheej txheem xa khoom rau cov hlau siv hauv siab- cov khoom siv bearing. Boasting zoo weldability uas tso cai rau seamless koom los ntawm cov txheej txheem welding, siab txhua yam muaj zog los tiv taus ntau lub siab loads, thiab superior toughness txawm nyob rau hauv lub fluctuating kub tej yam kev mob, qib steel no zoo haum rau fabricating siab hlab ntsha, boilers, thiab lwm yam Cheebtsam uas ua hauj lwm stably nyob rau hauv nruab nrab kub ib puag ncig, kom ntseeg tau tias kev ua tau zoo nyob rau hauv industrial daim ntaub ntawv.
Mechanical Properties
| Qib | Hom | Thickness (hli) | Yield zog MPa (min) |
Tensile zog MPa |
Elongation % (min) |
|---|---|---|---|---|---|
| P460 NH | Li qub | Tsawg dua los yog sib npaug li 16 | 460 | 570 - 750 | 17 |
Tshuaj muaj pes tsawg leeg
| P460 NH | |
|---|---|
| C | 0.20 |
| Si | 0.60 |
| Mn | 1.10-1.70 Nws |
| P | 0.025 |
| S | 0.015 |
| Al | 0.020 |
| N | 0.025 |
| Cr | 0.30 |
| Cu | 0.70 |
| Mo | 0.10 |
| Nb | 0.05 |
| Ni | 0.80 |
| Ti | 0.03 |
| V | 0.20 |
qhov zoo
• Siab zog: Nrog rau qhov tsawg kawg nkaus tawm lub zog ntawm 460 MPa, P460NH muab lub peev xwm thauj khoom zoo heev, tso cai rau kev tsim cov qauv sib dua thiab tus nqi ntau dua yam tsis muaj kev cuam tshuam kev nyab xeeb.
• Zoo toughness ntawm tsawg kub: Cov hlau tuav lub zog muaj zog txawm tias qhov kub thiab txias mus txog -20 degree, txo qhov kev pheej hmoo ntawm kev tawg thiab ua kom ntseeg tau qhov kev ua tau zoo hauv qhov chaw txias.
• Kev ua haujlwm siab-kub zoo heev: P460NH khaws nws lub zog thiab microstructure stability nyob rau hauv lub sij hawm ntev raug kub mus txog ib ncig ntawm 400 degree, ua rau nws zoo tagnrho rau boiler thiab siab hlab ntsha Cheebtsam.
• Zoo weldability: Cov khoom siv tau yooj yim welded siv cov txheej txheem kev lag luam, muab qhov tsim nyog preheating thiab interpass kub tswj tau siv. Qhov no yooj yim fabrication thiab txo cov nqi ntau lawm.
• Superior qaug zog thiab creep kuj: Nws cov khoom sib npaug ntawm cov cuab yeej ua kom nws tuaj yeem tiv thaiv kev thauj khoom thiab kev ntxhov siab thermal, ncua kev pab cuam lub neej ntawm cov khoom siv tseem ceeb.
• Raws li qhov zoo thiab kev ntseeg siab: Ua tau raws li cov qauv European nruj (EN 10028-3), P460NH ua kom cov khoom sib xws ntawm cov tuab thiab cov khoom siv, ua rau nws muaj kev ntseeg siab rau cov ntawv thov kev nyab xeeb.
ua
• Cua sov thiab tsim: Cov hlau yuav tsum tau rhuab sib npaug mus rau qhov ntsuas kub tau pom zoo ua ntej kub sib sau, feem ntau ntawm 850℃thiab 1100 degree, kom ntseeg tau zoo ductility thiab tsis txhob tawg. Tom qab tsim, kev tswj cua txias pab khaws cov microstructure normalized thiab toughness.
• Cov txheej txheem vuam: P460NH yog weldable siv ntau txoj kev xws li SMAW, GMAW, thiab SAW, tab sis preheating feem ntau tsim nyog los txo cov kev pheej hmoo ntawm hydrogen-induced cracking. Preheat kub feem ntau yog li ntawm 100℃mus rau 200 degree, nyob ntawm lub phaj thickness thiab vuam txheej txheem. Interpass kub kuj yuav tsum tau tswj kom tsis txhob muaj cua sov tawm ntau dhau.
• Kev kho cua sov: Raws li cov qib zoo li qub, P460NH feem ntau yog muab rau hauv cov xwm txheej zoo li qub. Kev kho cua sov tom qab vuam (PWHT) tej zaum yuav xav tau rau cov ntu tuab lossis cov ntawv thov tseem ceeb los txo cov kev ntxhov siab thiab txhim kho cov tawv nqaij.
• Txiav thiab machining: Cov khoom siv tuaj yeem txiav tau siv cov nplaim taws, txiav cov ntshav, lossis txiav, nrog rau kev npaj kom zoo kom tsis txhob muaj qhov txias txias. Machining feem ntau yog ncaj nraim, tab sis cov cuab yeej hnav yuav siab dua vim cov hlau muaj zog, yog li cov cuab yeej tsim nyog thiab txiav tsis raug pom zoo.
• Kev npaj thiab tshuaj xyuas qhov chaw: Txhua qhov chaw yuav tsum tau ntxuav thiab tsis muaj kab mob ua ntej vuam lossis txheej. Kev kuaj tsis muaj kev puas tsuaj xws li kev tshuaj xyuas ultrasonic lossis radiographic feem ntau ua los xyuas kom meej qhov zoo ntawm cov welds thiab cov khoom siv hauv paus.
Vim li cas thiaj xaiv peb:
Koj tuaj yeem tau txais cov khoom zoo meej raws li qhov koj xav tau ntawm tus nqi tsawg kawg nkaus.
Peb kuj muab Reworks, FOB, CFR, CIF, thiab qhov rooj rau qhov rooj tus nqi xa khoom. Peb xav kom koj ua deal rau shipping uas yuav zoo heev.
Cov ntaub ntawv uas peb muab yog muaj tseeb tiag, txoj cai los ntawm raw cov ntaub ntawv xeem daim ntawv pov thawj mus rau qhov kawg dimensional nqe lus.
Peb lav muab cov lus teb tsis pub dhau 24 teev (feem ntau hauv tib lub sijhawm)
Koj tuaj yeem tau txais cov khoom hloov pauv, zeb xa khoom nrog txo lub sijhawm tsim khoom.
Peb tau mob siab rau peb cov neeg siv khoom. Yog tias nws yuav tsis tuaj yeem ua tau raws li koj cov kev xav tau tom qab kuaj xyuas tag nrho cov kev xaiv, peb yuav tsis ntxias koj los ntawm kev cog lus tsis tseeb uas yuav tsim kev sib raug zoo rau cov neeg siv khoom.
Tiv tauj peb ntawm beam@gneesteelgroup.com rau tus nqi, kev txhawb nqa, lossis kev daws teeb meem. Peb yeej ib txwm npaj los txhawb koj qhov project.
P460NH ua raws li tus qauv dab tsi?
P460NH ua raws li European tus qauv EN 10028-3, uas qhia txog cov txheej txheem xa khoom rau cov khoom tsis yog- alloy thiab alloy steels rau lub hom phiaj siab, tsom rau cov hlau zoo nkauj weldable.
Qhov txawv ntawm P460NH thiab P460N yog dab tsi?
Qhov sib txawv tseem ceeb yog qhov ntsuas qhov ntsuas kub. P460NH raug kuaj ntawm -20 degree, thaum P460N yog kuaj ntawm 20℃. P460NH muaj qhov zoo ntawm qhov kub thiab txias, haum rau kev ua haujlwm txias.
Qhov siab tshaj plaws ua haujlwm kub ntawm P460NH yog dab tsi?
Qhov siab tshaj plaws kev khiav hauj lwm kub ntawm P460NH yog nyob ib ncig ntawm 400 degree. Tshaj li qhov ntsuas kub no, nws cov khoom siv kho tshuab tuaj yeem ua rau tsis zoo, cuam tshuam rau kev nyab xeeb ntawm lub siab- cov khoom siv bearing.
Puas yog P460NH weldable?
Yog lawm, P460NH muaj weldability zoo heev. Nws tuaj yeem welded siv ntau txoj kev xws li SMAW, GMAW, GTAW yam tsis muaj preheating nyob rau hauv ib txwm tuab, kom ntseeg tau qhov sib koom ua ke lub zog thiab toughness.
Yuav ua li cas preheating rau P460NH vuam?
Rau P460NH nrog tuab> 25mm lossis nyob rau hauv qis - qhov kub thiab txias, preheating rau 80-150℃yog pom zoo. Qhov no txo qhov kev ntxhov siab ntawm vuam, tiv thaiv cov kab nrib pleb txias, thiab ua kom cov vuam zoo.
Dab tsi yog cov tshuaj tseem ceeb ntawm P460NH?
Cov khoom siv tshuaj tseem ceeb ntawm P460NH suav nrog C ( Tsawg dua lossis sib npaug li 0.20%), Si (Less dua lossis sib npaug li 0.55%), Mn (1.00-1.60%), P (tsawg dua lossis sib npaug li 0.025%), S (tsawg dua lossis sib npaug li 0.015%), thiab cov khoom ua haujlwm zoo li N, finement.
Qhov kev xa khoom ntawm P460NH yog dab tsi?
P460NH feem ntau yog xa tuaj rau hauv cov xwm txheej zoo li qub (N), uas muaj cua sov rau 850-950 degree, tuav rau ib lub sijhawm, thiab cua txias. Qhov no refines nplej thiab txhim kho mechanical zog.
Dab tsi yog qhov tuab ntawm P460NH daim hlau?
Lub thickness ntau ntawm P460NH daim hlau yog 6-200mm. Cov phaj tuab yuav xav tau kev kho cua sov tshwj xeeb lossis preheating thaum lub sij hawm vuam kom ntseeg tau tias kev ua tau zoo thiab tsis txhob muaj qhov tsis xws luag.
Yuav tshuaj xyuas qhov zoo ntawm P460NH li cas?
Kev tshuaj xyuas zoo ntawm P460NH suav nrog kev tshuaj xyuas tshuaj lom neeg, kev ntsuas khoom siv tshuab (tensile, tawm los, cuam tshuam), kuaj pom qhov tsis zoo, thiab kev tshuaj xyuas qhov muag kom ua tau raws li EN 10028-3 cov qauv.
Qhov tsawg kawg nkaus tawm lub zog ntawm P460NH yog dab tsi?
Qhov tsawg kawg nkaus yield zog ntawm P460NH yog 460 MPa (nyob rau hauv chav tsev kub), uas yog qhov tseem ceeb Performance index txiav txim siab nws bearing muaj peev xwm nyob rau hauv siab hlab ntsha thiab boiler daim ntawv thov, ua tau raws li siab - zog yuav tsum tau.