Q355NB visoka čvrstoća niska legura čelik ploča
Q355NB niska legura strukturni čelik a niska legura visoka čvrstoća strukturni čelik, i the implementacija standard usvaja GB/T1591-2018.
Q355NB visoka čvrstoća čelik ploča ima visoka čvrstoća, dobar umor otpor; visoka žilavost i niska lomljiva prijelazna temperatura; dobro oblikovanje performanse performanse zavarivanje performanse; dobra korozija otpor i izvjesno otpornost.
Q355NB high strength plate is suitable for power towers, various lifting cranes, heavy-duty vehicles, oil derricks, high-temperature fans, large electric shovels, dump trucks and drilling rigs, coal mine hydraulic supports, steel structures, etc.
Q355NB high strength structural steel chemical composition:
|
C |
Si |
Mn |
P |
S |
V |
|
|
0.20 |
0.50 |
0.90-1.65 |
0.035 |
0.035 |
0.005-0.05 |
0.01-0.12 |
|
Ti |
Cr |
Ni |
Časak |
N |
||
|
0.006-0.05 |
0.30 |
0.50 |
0.40 |
0.10 |
0.015 |
0.015 |
Q355NB high strength sheet metal mechanical property:
|
|
Debljina (mm) |
|||||||
|
Prinos snaga ( Veći than or equal to Mpa) |
T Less than or equal to 16 |
16<> |
40<> |
63<> |
80<> |
100<> |
150<> |
200<> |
|
355 |
345 |
335 |
325 |
315 |
295 |
285 |
275 |
|
|
Vlačica čvrstoća (Mpa) |
T Manje od ili jednako to 100 |
100<> |
200<> |
|||||
|
470-630 |
450-600 |
450-600 |
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HSLA Čelik Lim
