NK F70 yog high -} Lub zog ua lub zog hlau tshwj xeeb tsim rau cov ntawv thov marine. Cov qib ntawm cov hlau muaj npe rau lawv cov khoom siv kws kho mob tshwj xeeb thiab tshuaj lom neeg, ua rau lawv zoo tshaj rau kev siv hauv cov nkoj thiab cov qauv hluav taws xob.
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Nk f70 ntxivKev Kho Mob Tshuaj Ntau Npaum |
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|
Teem nqi |
Lub caij max (%) |
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|
C |
Si |
Mn |
P |
S |
B |
N |
|
|
Nk / k f70 |
0.18 |
0.55 |
1.60 |
0.025 |
0.025 |
0.006 |
0.020 |
|
Nb |
V |
Ti |
CU |
Cr |
Ni |
Mo |
|
|
- |
0.10 |
- |
0.50 |
1.20 |
- |
0.60 |
|
Nyob rau hauv cov nqe lus ntawm cov tshuaj muaj kuab lom, nk fq70 thiab nk fq70 thiab nk fq70 thiab nk fq70 thiab sigyon, tooj, nitrogen, vanadium, titanium, thiab boron. Qhov kev sib haum xeeb no ua kom muaj zog tshaj plaws ua kom muaj zog, weldability zoo, thiab corrosion tsis kam, tseem ceeb heev hauv cov tub rog cov tsiaj marine.
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Nk f70 ntxiv lub zog khoom |
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|
Teem nqi |
Cov Cuab Yeej Cuab Yeej Cuab Yeej |
Charpy V Cuam Tshuam |
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|
Pub |
Lub tensile |
Elongation |
Tiv kis |
Zog 1 |
Zog |
|
|
Min MPa |
MPa |
Min% |
-60 |
69 |
46 |
|
|
Nk / k f70 |
690 |
770-940 |
14 |
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|
Nco tseg: Lub Zog 1 yog transverse cuam tshuam, lub zog 2 yog kev sib tw ntev |
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|
Qhov sib npaug hlau qib ntawm NY / K F70 |
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|
Deg |
Hlob |
Lr |
Bv |
CCS |
Tus leeg |
Txhawb nqa |
Lub ru tsev |
|
Nv f690 |
GL F690 |
Lr / fh69 |
Bv / F690 |
CCS / F690 |
K F70 |
R F70 |
Ri f690 |
Nkaus qib F70 shipbuilding steel phaj Lwm lub npe
Nkaus qib F70 shipbuilding steel phaj, NYx qib F70 sheet steel phaj, NYx qib F70 marine steel phaj, nkhaus f70 steel phaj.
Muaj Lus Ceeb
Siv (ultrasonic kuaj), ar (xws li kub kub tsuas yog), z35, z35, z35, z35, z35, z35, z35, z35, z [}
