DNV Qib F690, NV F690, DNV F690 steel phaj muaj lub zog tensile siab dua nyob rau hauv 770-940 Mpa, thiab qhov tsawg kawg nkaus qhov taw tes yuav tsum yog 690 Mpa.Class F690 qhia tias qhov ntsuas kub tsis tshua muaj kev cuam tshuam yuav tsum tau ua nyob rau hauv qis dua 60 centigree.
Steel Qauv: DNV (Det Norske Veritas)
Rolling Hom: Lub zog siab ntxiv nkoj phaj
Thickness: 6mm-250mm
Dav: 1500mm-4200mm
Ntev: 3000mm-18000mm
Kev kho cua sov: quenched thiab tempered
Tshuaj muaj pes tsawg leeg
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DNV F690 ntxiv muaj zog Chemical Composition |
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Qib |
Cov ntsiab lus Max (%) |
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C |
Si |
Mn |
P |
S |
Al |
N |
|
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DNV F690 |
0.18 |
0.10-0.55 |
1.6 |
0.025 |
0.025 |
0.015-0.08 |
0.020 |
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Nb |
V |
Ti |
Cu |
B |
Ni |
Mo |
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0.02-0.05 |
0.04-0.10 |
0.02 |
|
0.005 |
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Mechanical Property
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DNV F690 ntxiv cov khoom muaj zog dav dav |
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Qib |
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Mechanical Property |
Charpy V Impact Test |
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Thickness |
Yield |
Tensile |
Elongation |
Qib |
Zog 1 |
Zog 2 |
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DNV F690 |
mm |
Min Mpa |
Mpa |
Tsawg% |
-60 |
J |
J |
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t Tsawg dua lossis sib npaug li 50 |
690 |
770-940 |
14% |
46 |
69 |
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50＜t Tsawg dua lossis sib npaug rau 70 |
690 |
770-940 |
14% |
46 |
69 |
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70＜t Tsawg dua lossis sib npaug rau 150 |
690 |
770-940 |
14% |
46 |
69 |
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Lus Cim: Lub Zog 1 yog qhov kev cuam tshuam cuam tshuam, Lub Zog 2 yog qhov ntev |
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