Raws li qib flagship hauv RINA cov ntawv pov thawj, F620 redefines marine steel peev xwm nrog 620MPa yield zog, ua tiav los ntawm advanced metallurgical engineering thiab precision thermo-mechanical processing rau ultra-xav tau kev siv dej hiav txwv.
RINA F620 ntxiv muaj zog Chemical Composition nyob rau hauv Tempering thiab quenching
|
Element |
RINA F620 Max % |
Lub ntsiab |
RINA F620 Max % |
|
C |
0.18 |
Ni |
0.80 |
|
Mn |
1.60 |
Mo |
0.08 |
|
Si |
0.10-0.55 |
Al |
0.020 min |
|
S |
0.025 |
Nb |
0.20-0.05 |
|
P |
0.025 |
V |
0.05-0.10 |
|
Cu |
0.35 |
Ti |
0.0007-0.05 |
|
Cr |
0.20 |
N |
0.009 |
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】%
RINA F620 ntxiv lub zog muaj zog hauv Tempering thiab Quenching
|
Qib |
Thickness |
Yield zog |
Tensile zog |
Elongation |
Impact Zog |
|
(mm) |
MPa (min) |
MPa |
% (min) |
(KV J) (min) |
|
|
|
|
|
|
-60 degree |
|
|
TSI F620 |
8-260 |
620 |
720-890 |
15 |
41J |
Daim ntawv thov
RINA Qib F620 Shipbuilding steel phaj yog tsuas yog siv rau Shipbuilding Project thiab Ocean Offshore Structural Project.
RINA Qib F620 Shipbuilding Steel Phaj Lwm Lub Npe
RINA Qib F620 Shipbuilding steel phaj, RINA Qib F620 Nkoj Hlau phaj, RINA Qib F620 Marine Steel phaj, RINA Qib F620 Hlau Phaj.
Qhov xwm txheej ntxiv
UT (Ultrasonic kuaj), 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-Notch Impact Test, Third Party Test (xws li Shoting thiab Painting Testing),
