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SMA490BW steel plate is a kind weathering steel which under JIS G3114 standard. As the weathering steel, SMA490BW steel plate is mainly used in vehicle, bridge, tower, container and so on. The following is SMA490BW steel details for your reference:
Key words: SMA490BW steel, SMA490BW steel plate, SMA490BW weathering steel, SMA490BW steel plate supplier, SMA490BW steel sheet, SMA490BW steel sheet manufacturer, SMA490BW weather resistant steel plate
SMA490BW steel specification:
Grade: SMA490BW Standard: JIS G 3114
Thickness: 3mm to 200mm,Wide: 1000mm to 4100mm, Length: 1000mm to 12000mm
SMA490BW steel chemical composition:
|
Grade |
The Element (%) |
|||||
|
C |
Si |
Mn |
P |
S |
Cu |
|
|
SMA490BW |
≤0.18 |
0.15-0.65 |
≤1.40 |
≤0.035 |
≤0.035 |
0.30-0.50 |
|
Cr |
Ni |
V |
Mo |
Al |
Nb |
|
|
0.45-0.75 |
0.05-0.30 |
- |
- |
- |
- |
|
|
Grade |
||||||
|
Thickness |
Yield |
Tensile |
Elongation |
Charpy V Impact Test |
||
|
Degree |
Energy |
|||||
|
SMA490BW |
mm |
Min Mpa |
Mpa |
Min % |
0℃ |
J |
|
t≤16 |
365 |
490-610 |
15% |
27 |
||
|
16﹤t≤40 |
355 |
27 |
||||
|
160﹤t≤200 |
295 |
27 |
||||
The Principle of corrosion resistant:
SMA490BW steel plate contains special elements, after contact with the atmosphere, form a layer of oxide film. This layer of oxide film separates SMA490BW steel plate in the outside world, no longer affected by the climate.
Fe+0.502+H2O→Fe(OH)2; 2Fe(OH)2+0.502+H2O→2Fe(OH)3
SMA490BW steel heat treatment: Hot rolled, Control rolled, normalized, quenched and tempered, cold rolled.
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