Cov yam ntxwv tseem ceeb:
Lub zog:
EQ47 qhia tau tias tsawg kawg yog los lub zog muaj zog ntawm 47 KGF / MMO (460 MPA).
Daim Ntawv Thov:
Siv hauv kev tsim kho cov hlab ntsha thiab cov chaw ua haujlwm ntawm sab nrauv uas ua haujlwm hauv huab cua txias.
Qauv:
Feem ntau ua tau raws cov qauv txheej txheem los ntawm kev faib cov txheej txheem kev sib koom ua ke xws li Abs, BV, GL, LR, DNV, KR, thiab Rina.
Tshuaj lom neeg cov tshuaj:
Muaj cov ntsiab lus zoo li cov pa roj carbon, manganese, siosphorus, sulfurus, npib chickel, thiab tooj kom ua tiav cov khoom xav tau.
Cov Khoom Siv Neeg Kho Tshuab:
Muaj lub zog tensile zoo, tawm los lub zog, thiab yog tsim los tswj kev ua kev ntxhov siab thiab kub hloov.
Kev Kho Cua Sov:
Feem ntau quenched thiab tempered kom ua tiav cov khoom siv tau teev tseg.
Cov FAQ
1. Dab tsi ua rau CCS EQ47 tshwj xeeb tshwj xeeb ntawm cov neeg ua haujlwm loj dua
Teb:
CCS EQ47 yog ib qhoNtxiv-Siab Tawv HlauFeaturing:
Paib lub zog ntau dua los yog sib npaug rau 460 MPaNrog rau kev cuam tshuam tshwj xeeb
Guaranteed -60 Qib Charpy Tougness(Ntau dua los yog sib npaug rau 47j)
Zoo rau Arctic kev pabcuam
Kev zoo siab weldability(Thov kom tsawg dua lossis sib npaug rau 0.42)
Pom zoo rau cov ntawv thov tseem ceeb
2. Dab tsi cov cuab yeej kho tshuab yuav tsum muaj EQ47 daim hlau ua tiav rau CCS ntawv pov thawj?
Teb:Yuav tsum muaj cov cai nruj me ntsis suav nrog:
| Ntiag tug | Qhov toob kas | Kuaj Tus Qauv |
|---|---|---|
| Paib lub zog | Ntau dua los yog sib npaug rau 460 MPa | GB / T 2288.1 |
| Lub zog tensile | 570-720 MPA | GB / T 2288.1 |
| Elongation (A50) | Ntau dua los yog sib npaug rau 17% | GB / T 2288.1 |
| Charpy v-imch | Ntau dua los yog sib npaug rau 47j @ -60 degree | GB / T 229 |
| CTOD (₀₀) | Ntau dua los yog sib npaug rau 0.20mm @ -40 degree | GB / T 21143 |
(Txheem cov txiaj ntsig thov rau tuab tsawg dua lossis sib npaug rau 50 hli)
3. Qhov twg xav tau cov ntawv thov marine xav tau eq47 steel?
Teb:Tseem ceeb siv:
POLAR LNG Carrier Muaj Cov Tshuab
IAVBRER HULL Cheebtsam(PC3-PC5)
Arctic ntug hiav txwv platform nodes
Cov Khoom Siv Hauv Dee Dej Me
Naval hlab ntsha dej khov
4. Dab tsi tshwj xeeb vuam cov txheej txheem yuav tsum muaj rau EQ47?
Teb:Tswj cov txheej txheem:
Preheating:150-200℃(tuab-nyob)
Cov tub lim hlau:GB / T 12470 F55A6-H08MN2NIMOA
Ua kom tshav kub kub txwv:Tsawg dua los yog sib npaug rau 25 kj / cm
Interpass temp tswj:Tsawg dua los yog sib luag rau 200 degree
Tom qab Weld NDT:100% ut + mt
5. Yuav ua li cas EQ47 txoj kev ntsuas tshuaj sib txawv ntawm cov qib Eh cov qib?
Teb:Qhov tseem ceeb Alloy Txawv (wt.%):
| Lub ntsiab | Eq47 ntau yam | Eh40 ntau yam | Lub hom phiaj |
|---|---|---|---|
| Ni | 0.80-1.50 | 0.50-1.00 | Cryogenic Tougness |
| Mo | 0.20-0.40 | 0.10-0.30 | Ua kom muaj zog |
| C | Tsawg dua los yog sib npaug rau 0.10 | Tsawg dua los yog sib npaug rau 0.12 | Hwj txwv |
| Nb + v + ti | Tsawg dua los yog sib npaug rau 0.12 | Tsawg dua los yog sib npaug rau 0.10 | Qoob loo nplej |
Tus yuam sij:Ultra-Low S (tsawg dua los yog sib npaug rau 0.003%) rau kev txhim kho huv
Cim npe nrov: CCS Qib EQ47 Shrbeilding Steel Phaj, Tuam Tshoj CCS Qib EQ47 Shipbuilding Steel Phaj Chaw Tsim Tshuaj, Chaw muag khoom, Hoobkas
