LR Qib DH62 Shipbuilding steel phaj yog tsuas yog siv rau Shipbuilding Project thiab Ocean Offshore Structural Project.
LR Qib DH62 Shipbuilding Steel Phaj Lwm Lub Npe
LR Qib DH62 Shipbuilding steel phaj, LR Qib DH62 Nkoj steel phaj, LR Qib DH62 Marine steel phaj, LR Qib DH62 steel 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).
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LR DH62 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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LR DH62 |
0.20 |
0.55 |
1.70 |
0.030 |
0.030 |
0.015 |
0.020 |
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Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
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0.02-0.05 |
0.03-0.10 |
0.02 |
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Crack Sensitivity: Pcm=(C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+}Mo/15+V/10+5B)%
Carbon sib npaug: Ceq=【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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LR DH62 ntxiv cov khoom muaj zog |
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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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LR DH62 |
mm |
Min Mpa |
Mpa |
Tsawg% |
-20 |
J |
J |
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t Tsawg dua lossis sib npaug li 50 |
620 |
720-890 |
17% |
41 |
62 |
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50＜t Tsawg dua lossis sib npaug rau 70 |
620 |
720-890 |
17% |
41 |
62 |
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70＜t Tsawg dua lossis sib npaug rau 100 |
620 |
720-890 |
17% |
41 |
62 |
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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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