DNV Qib E Shipbuilding steel phaj yog tsuas yog siv rau Shipbuilding Project thiab Ocean Offshore Structural Project.
Steel Qauv: DNV (Det Norske Veritas)
Rolling Hom: Shipbuilding steel phaj, Common zog nkoj phaj
Thickness: 3mm-300mm
Dav: 1200mm-4200mm
Ntev: 3000mm-18000mm
Kev kho cua sov: Raws li Rolled/Control-rolled/TMCP/Normalised
Tshuaj muaj pes tsawg leeg
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DNV QIB E general Strength 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 Qib E |
0.18 |
0.10-0.35 |
0.70 |
0.035 |
0.035 |
0.015 |
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Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
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Mechanical Property
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DNV GRADE E cov cuab yeej muaj zog hauv tempering thiab quenching |
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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 Qib E |
mm |
Min Mpa |
Mpa |
Tsawg% |
-40 |
J |
J |
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t Tsawg dua lossis sib npaug li 50 |
235 |
400-520 |
22% |
20 |
27 |
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50＜t Tsawg dua lossis sib npaug rau 70 |
235 |
400-520 |
22% |
24 |
34 |
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70＜t Tsawg dua lossis sib npaug rau 150 |
235 |
400-520 |
22% |
27 |
41 |
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Lus Cim: Lub Zog 1 yog qhov kev ntsuas cuam tshuam, Lub Zog 2 yog qhov ntev |
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Lwm Lub Npe
DNV Qib E Shipbuilding steel phaj, DNV Qib E Nkoj Hlau phaj, DNV Qib E Marine Steel phaj, DNV Qib E hlau phaj.
Qhov xwm txheej ntxiv
UT (Kev kuaj xyuas Ultrasonic), AR (Raws li Kub Rolled nkaus xwb), TMCP (Thermal Mechanical Control Processing), N (Normalized), Q + T (Quenched thiab Tempered), Z Direction Test (Z15, Z25, Z35), Charpy V-Ntch Impact Test, Third Party Test (xws li Shoting thiab Painting Testing).
