SA 387 Qib 5 Chav Kawm 1yog chromium-molybdenum alloy steel phaj raws li ASME Boiler thiab Pressure Vessel Code, npaj rau welded siab hlab ntsha thiab boiler qhov chaw ua haujlwm ntawm qhov kub thiab txias. Nws muaj qhov zoo siab -kub lub zog, nkag siab, toughness, thiab weldability. Chav Kawm 1 kev tsim qauv qhia txog cov khoom siv tshwj xeeb thiab kev kho cua sov, feem ntau normalizing thiab tempering, kom sib npaug zog thiab ductility. Nws yog dav siv nyob rau hauv refineries, petrochemical nroj tsuag, thiab hluav taws xob tsim tshuab qhov twg txhim khu kev qha kev ua tau zoo nyob rau hauv thermal stress yuav tsum tau.
ASME SA387 GR.5 CL.1 Specification:
| Is Nrias teb Nqe: | Tsawg tshaj - 450 INR / Max - 600 INR |
|---|---|
| USD Nqe: | Tsawg kawg - 65 USD / Max - 6.85 USD |
| Qib: | ASME SA387 Qib 5 Chav Kawm 1 |
| Khoom siv: | Chrome Moly Alloy Hlau |
| Thickness: | 6mm txog 120mm |
| Dav: | 1000mm txog 3000mm |
| Ntev: | Txog li 12000mm |
| Yield zog: | Ntau dua lossis sib npaug li 240 MPa |
| Tensile zog: | 415-585 MPa |
| Chromium Cov ntsiab lus: | Kwv yees li . 5% |
| Molybdenum Cov ntsiab lus: | Kwv yees li . 0.5% |
Cov Khoom Siv Tshuaj Rau ASME SA387 Qib 5 Alloy Steel Phaj
| Element | Chemical Composition (%) | |
| SA 387 Qib 5 | ||
| Cov pa roj carbon: | Kev Ntsuas Kub: | 0.15 max |
| Product Analysis: | 0.15 max | |
| Manganese: | Kev Ntsuas Kub: | 0.30 - 0.60 |
| Product Analysis: | 0.25 - 0.66 | |
| Phosphorus: | Kev Ntsuas Kub: | 0.035 |
| Product Analysis: | 0.035 | |
| Sulfur (max): | Kev Ntsuas Kub: | 0.030 |
| Product Analysis: | 0.030 | |
| Silicon: | Kev Ntsuas Kub: | 0.50 max |
| Product Analysis: | 0.55 max | |
| Chromium: | Kev Ntsuas Kub: | 4.00 - 6.00 |
| Product Analysis: | 3.90 - 6.10 | |
| Molybdenum: | Kev Ntsuas Kub: | 0.45 - 0.65 |
| Product Analysis: | 0.40 - 0.70 |
Cov txheej txheem tseem ceeb
Kev kho cua sov:
Qib no feem ntau dhau mus normalization thiab tempering kom ua tiav nws cov khoom siv kho tshuab. Annealing kuj tseem siv tau los ua kom tau raws li Chav Kawm 1 qhov yuav tsum tau ua, uas ua tau zoo "softens" cov hlau rau kev txhim kho kev tsim muaj peev xwm.
Txoj kev tsim:
Nws tuaj yeem ua tiav los ntawm kev kub dov, txias dov, lossis kos duab txias.
Fabrication Services:
Cov nqi sib piv- ntxiv cov txheej txheem suav nrog nplaim taws txiav, txiav cov ntshav, txiav, sib tsoo, thiab txiav txiav kom tau raws li cov neeg siv khoom tshwj xeeb thiab ntau thiab tsawg.
Kev Ua Haujlwm Ntxiv:
Cov kev ua haujlwm siab tshaj plaws suav nrog lub tshuab nqus tsev degassing thiab simulated ncej-weld heat treatment (PWHT) kom ruaj ntseg thaum lub sij hawm tsim tom ntej.
Core Zoo
Superior High -Kev Ua Haujlwm Kub:Qhov sib ntxiv ntawm molybdenum tso cai rau cov khoom siv los tswj nws cov qauv kev ntseeg siab thiab lub zog txhua yam ntawm qhov kub siab tshaj 500℃(kwv yees . 930℃F).
Zoo heev Oxidation & Corrosion Resistance:Qhov kwv yees li ntawm 5% chromium cov ntsiab lus tsim ib txheej oxide passive uas tiv thaiv atmospheric corrosion, chav dej, thiab tshuaj lom neeg.
Txhim kho Weldability & Toughness:Raws li cov khoom siv hauv chav kawm 1, nws tau tsim tshwj xeeb rau kev weldability zoo dua thiab muaj kev cuam tshuam hnyav dua piv rau Chav Kawm 2, ua rau nws yooj yim rau kev tsim cov txheej txheem nyuaj.
Resistance rau Thermal Embrittlement:Nws yog ruaj khov heev thaum lub sij hawm ntev ntawm thermal cycling, uas txo qhov kev pheej hmoo ntawm kev ntxhov siab corrosion cracking los yog tsis ua hauj lwm los ntawm qaug zog.
Ntev-Tus Nqi Sij Hawm-Kev Ua Tau Zoo:Txawm hais tias kim dua li cov qauv carbon steel, nws cov kav ntev thiab txo cov kev tu ncua ua rau lub neej ua haujlwm ntev dua thiab cov nqi qis dua.
Cov ntawv thov tseem ceeb
Vim nws cov khoom tshwj xeeb, qib no yog kev xaiv tus qauv hauv ntau qhov chaw tseem ceeb:
| Kev lag luam | Cov ntawv thov tseem ceeb |
|---|---|
| Petrochemical & Refining | Cov hlab ntsha siab, cov reactors, cov kab distillation, thiab cov cua kub sib txawv rau cov kev pabcuam qaub. |
| Lub zog tiam | Muaj boilers, chav generators, thiab chav nruas rau ob fossil roj thiab nuclear fais fab nroj tsuag. |
| Roj & Roj | Siab - cov kav dej siab, cov tank cia rau cov kua dej kub / roj, thiab cov khoom siv hauv lub taub hau. |
| Heavy Manufacturing | Loj - nplai weldable siab cov hlab ntsha thiab cov khoom siv hauv kev lag luam xws li tshuab shafts thiab cov khoom siv hluav taws xob. |
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.
Yog xav paub ntxiv txog GNEE cov khoom siv hlau, tiv tauj peb ntawm beam@gneesteelgroup.com. Peb tos ntsoov yuav ua haujlwm nrog koj.
SA 387 GRADE 5 Chav Kawm 1 puas tuaj yeem siv rau hauv qhov chaw qis -kub? Vim li cas?
Nws tsis haum rau qhov qis - qhov kub thiab txias. Nws qhov cuam tshuam toughness txo qis heev ntawm qhov kub thiab txias, yooj yim ua rau nkig tawg thiab ua tsis tau raws li qhov ntsuas kub tsawg - qhov yuav tsum tau ua.
Lub luag haujlwm ntawm molybdenum hauv SA 387 Qeb 5 Chav Kawm 1 yog dab tsi?
Molybdenum tuaj yeem txhim kho qhov siab - kub lub zog, nkag siab thiab hardenability ntawm cov hlau, thiab tseem txhim kho nws cov corrosion kuj rau qee qhov.
Yuav ua li cas txhawm rau txheeb xyuas qhov zoo ntawm SA 387 GRADE 5 Chav Kawm 1 tom qab ua tiav?
Cov kev kuaj pom muaj xws li kuaj ultrasonic, kuaj cov khoom sib nqus, tshuaj lom neeg muaj pes tsawg leeg thiab kuaj cov cuab yeej cuab yeej kom ntseeg tau tias tsis muaj qhov tsis xws luag thiab ua tau raws li tus qauv yuav tsum tau ua.
Dab tsi yog cov pa roj carbon ntsiab lus ntawm SA 387 Qeb 5 Chav Kawm 1 thiab nws txoj haujlwm?
Cov ntsiab lus carbon yog li ntawm 0.15% mus rau 0.25%. Nws txhim kho lub zog thiab hardness ntawm cov hlau, tab sis cov pa roj carbon ntau dhau yuav txo nws qhov toughness thiab weldability.
SA 387 GRADE 5 Chav Kawm 1 puas tuaj yeem raug ua haujlwm txias? Muaj kev txwv dab tsi?
Nws tuaj yeem ua haujlwm txias txias. Vim nws lub zog siab, kev ua haujlwm txias yuav tsum muaj lub zog loj, thiab qhov nruab nrab annealing yog xav tau kom tsis txhob deformation ntau dhau thiab tawg.
Dab tsi yog qhov creep resistance ntawm SA 387 Qeb 5 Chav Kawm 1?
Nws muaj zoo heev creep kuj. Ntawm qhov kub thiab txias thiab ntev - lub sij hawm thauj khoom, lub creep deformation yog me me, uas tuaj yeem ua kom muaj kev ruaj ntseg ntawm cov khoom siv siab.
Dab tsi yog qhov txawv ntawm SA 387 GRADE 5 Chav Kawm 1 thiab carbon steel nyob rau hauv cov nqe lus ntawm kev ua haujlwm siab - kub?
Piv nrog carbon steel, nws muaj qhov zoo dua siab - qhov kub thiab txias tsis kam, tsis yooj yim rau oxidize thiab soften ntawm qhov kub thiab txias, haum rau hnyav hnyav dua - qhov kub thiab txias.
Dab tsi yog qhov teeb meem tseem ceeb uas yuav tsum tau zam hauv cov txheej txheem tsim khoom ntawm SA 387 GRADE 5 Chav Kawm 1?
Lub ntsiab tsis xws luag yuav tsum tsis txhob muaj xws li kev sib cais, porosity, tawg thiab inclusions. Kev tswj nruj ntawm cov txheej txheem smelting thiab kev kho cua sov tuaj yeem txo qhov tsis xws luag.
SA 387 GRADE 5 Chav Kawm 1 puas tuaj yeem siv rau cov phab ntsa dej boiler?
Yog lawm, nws tuaj yeem siv rau cov phab ntsa dej boiler hauv nruab nrab - kub boilers. Nws tiv taus cua sov thiab siab- cov kabmob muaj peev xwm ua tau raws li qhov yuav tsum tau ua ntawm cov phab ntsa dej boiler.
Lub thermal conductivity ntawm SA 387 Qeb 5 Chav Kawm 1 yog dab tsi thiab nws cuam tshuam li cas rau daim ntawv thov?
Nws cov thermal conductivity yog li 40-45 W / (m·K) ntawm chav tsev kub, uas yog qis dua carbon steel, yuav tsum tau tsim tsim nyog nyob rau hauv cov khoom siv hluav taws xob sib pauv kom ntseeg tau tias kev hloov hluav taws xob.
Cov ncej dab tsi -weld cua sov txoj kev kho kom haum rau SA 387 GRADE 5 Chav Kawm 1?
Tsim nyog tshaj tawm -weld cua sov txoj kev kho mob muaj xws li tempering thiab kev ntxhov siab nyem annealing, uas tuaj yeem tshem tawm cov kev ntxhov siab seem, txhim kho kev sib koom ua ke thiab tiv thaiv kev ntxhov siab corrosion tawg.