A131 Shipbuilding Steel Phaj
Cov Khoom Piav Qhia Daim Ntawv Thov Cov Ntaub Ntawv ntawm A131 Steel A131 steel, paub txog nws cov khoom tshwj xeeb, tau pom dav siv nyob rau hauv ntau yam kev siv marine thiab kev lag luam. Cia peb tshawb txog qee qhov xwm txheej tseem ceeb uas qhia txog qhov muaj peev xwm thiab kev ntseeg tau ntawm qib steel no. Ib qho tshwj xeeb ...
Hauj lwm lawm
Khoom Description
Daim ntawv thov ntawm A131 Steel
A131 steel, paub txog nws cov khoom tshwj xeeb, tau pom kev siv dav hauv ntau yam kev siv dej hiav txwv thiab kev lag luam. Cia peb tshawb txog qee qhov xwm txheej tseem ceeb uas qhia txog qhov muaj peev xwm thiab kev ntseeg tau ntawm qib steel no.
Ib qho zoo kawg nkaus daim ntawv thov ntawm A131 steel yog nyob rau hauv kev tsim kho ntawm loj thawv ships. Cov nkoj no taug kev hauv ntiaj teb cov dej hiav txwv, nqa ntau cov khoom thauj thiab ntsib ntau yam thiab nyuaj ib puag ncig. Cov qauv ntawm lub nkoj ntawm cov nkoj no raug kev ntxhov siab tas li los ntawm nthwv dej, kev thauj khoom tsis zoo, thiab dej ntsev corrosive. A131 steel lub zog siab thiab zoo heev corrosion kuj ua rau nws yog ib qho kev xaiv zoo tshaj plaws rau fabricating lub hull daim hlau, thav duab, thiab lwm yam tseem ceeb Cheebtsam. Qhov no ua kom muaj kev ncaj ncees ntawm cov qauv thiab kev ua haujlwm ntev ntawm cov nkoj, txo qhov kev xav tau ntawm kev tu thiab kho tsis tu ncua.
Hauv kev lag luam offshore roj thiab roj, A131 steel plays lub luag haujlwm tseem ceeb hauv kev tsim cov roj rigs thiab platforms. Cov qauv no raug rau cov xwm txheej hnyav, suav nrog kev kub siab, cov kua dej corrosive, thiab huab cua hnyav. Kev siv A131 steel hauv kev tsim cov ceg ntawm lub platform, lawj, thiab cov kav dej muab qhov tsim nyog lub zog thiab ua haujlwm ntev los tiv thaiv cov xwm txheej xav tau. Nws tiv thaiv corrosion pab tiv thaiv cov xau thiab kev ua haujlwm tsis zoo, ua kom muaj kev nyab xeeb thiab muaj txiaj ntsig zoo thiab kev thauj mus los ntawm cov roj thiab roj.
Lwm daim ntawv thov tseem ceeb yog nyob rau hauv kev tsim cov nkoj naval. Warships yuav tsum muaj lub zog zoo dua, tawv, thiab tiv thaiv kev puas tsuaj kom ua tiav lawv txoj haujlwm xav tau. A131 steel yog siv rau hauv kev tsim cov hulls, superstructures, thiab riam phom tshuab mounts. Nws muaj peev xwm tiv taus kev poob siab thiab kev cuam tshuam, nrog rau nws txoj kev tiv thaiv dej hiav txwv corrosion, pab txhawb kev ua haujlwm zoo thiab kev ua neej ntawm cov tub rog cov cuab tam.
A131 steel kuj tau siv dav hauv kev tsim cov chaw nres nkoj cranes thiab lwm yam khoom nqa hnyav. Chaw nres nkoj cranes tuav cov khoom loj nyob rau txhua hnub thiab raug rau ntsev tsuag thiab ya raws. Lub zog siab thiab qaug zog ua haujlwm ntawm A131 steel ua kom muaj kev ntseeg tau thiab kev nyab xeeb ntawm cov cranes, tso cai rau kev ua haujlwm zoo ntawm cov khoom thauj hauv cov chaw nres nkoj tsis khoom.
Tsis tas li ntawd, A131 steel yog siv nyob rau hauv kev tsim kho ntawm subsea pipelines thiab risers. Cov khoom siv no yog lub luag haujlwm thauj cov roj thiab roj los ntawm lub hiav txwv mus rau saum npoo. Cov hlau sib xyaw ua ke ntawm lub zog thiab kev tiv thaiv corrosion yog qhov tseem ceeb los tiv thaiv kev xau thiab ua kom cov khoom ntws zoo, txawm tias nyob rau hauv qhov hnyav subsea ib puag ncig.
Ib qho xwm txheej tshwj xeeb suav nrog kev tsim kho lub xeev-of-the-art floating ntau lawm, cia, thiab offloading (FPSO) nkoj. Tag nrho cov qauv, los ntawm cov tso tsheb hlau luam mus rau cov chaw ua haujlwm, tau tsim los ntawm A131 steel. Txoj haujlwm tau ua tiav tiav, thiab lub nkoj tau ua haujlwm ntseeg tau hauv thaj chaw sab nrauv, ua kom pom qhov ua tau zoo ntawm A131 steel hauv txoj kev thiab xav tau kev siv dej hiav txwv.
Hauv lwm qhov piv txwv, lub chaw nres nkoj loj tau siv A131 steel rau kev tsim kho cov nkoj loj heev. Cov hlau muaj peev xwm muab kev ua kom zoo nkauj thiab zoo nkauj, nrog rau nws cov khoom siv kho tshuab, pab txhawb rau kev tsim cov nkoj zoo nkauj thiab zoo nkauj uas muab cov neeg caij tsheb taug kev nyab xeeb thiab lom zem.
Hauv kev xaus, daim ntawv thov rooj plaub ntawm A131 steel hais txog nws qhov tseem ceeb hauv ntau yam haujlwm ntsig txog kev lag luam marine thiab hnyav. Nws cov khoom tshwj xeeb ua rau nws yog ib qho khoom siv tsis tseem ceeb rau kev ua kom muaj kev nyab xeeb, kev ua tau zoo, thiab lub neej ntev ntawm cov qauv thiab cov khoom siv ua haujlwm hauv cov chaw nyuaj.
Qib thiab tshuaj muaj pes tsawg leeg (%)
|
Qib |
C% Tsawg dua lossis sib npaug |
Mn% |
Si% |
p % Tsawg dua lossis sib npaug |
S % Tsawg dua lossis sib npaug |
Al% |
Nb% |
V % |
|
A |
0.22 |
Ntau tshaj lossis sib npaug li 2.5C |
0.10~0.35 |
0.04 |
0.40 |
- |
- |
- |
|
B |
0.21 |
0.60~1.00 |
0.10~0.35 |
0.04 |
0.40 |
- |
- |
- |
|
D |
0.21 |
0.60~1.00 |
0.10~0.35 |
0.04 |
0.04 |
Ntau dua lossis sib npaug rau 0.015 |
- |
- |
|
E |
0.18 |
0.70~1.20 |
0.10~0.35 |
0.04 |
0.04 |
Ntau dua lossis sib npaug rau 0.015 |
- |
Mechanical Properties:
|
Qib |
Thickness |
Yieldpoint |
Tensile zog |
Elongation |
V-impact test |
txias khoov kuaj |
|||
|
Kub |
Nruab nrab AKV |
b=2a |
b=5a |
||||||
|
txoj kev ntev |
crosswise |
||||||||
|
Ntau dua lossis sib npaug |
|||||||||
|
A |
Tsawg dua los yog sib npaug li 50 |
235 |
400~490 |
22 |
- |
- |
- |
d=2a |
- |
|
B |
0 |
27 |
20 |
- |
d=3a |
||||
|
D |
-10 |
||||||||
|
E |
-40 |
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Cim npe nrov: A131 shipbuilding steel phaj, Tuam Tshoj A131 nkoj tsim steel phaj lwm tus neeg, hoobkas
