SM490YB high strength low alloy steel
SM490YB high tensile alloy steel sheet belongs to low alloy high tensile steel, the strength is not less than 490MPa, SM490YB high tensile steel sheet implementation standard: Japan Industrial Standard JIS G3106.
SM490YB high yield strength steel plate has high strength, high toughness, good weldability, resistance to laminar tearing and corrosion fatigue quality performance.
SM490YB high toughness steel plate is mainly used in buildings, bridges, ships, rail vehicles, petroleum storage tanks, containers and other constructions requiring advanced weldability.
high strength plate Chemical Composition
|
Grade |
|
C |
Si |
Mn |
P |
S |
|
|
TH |
≤50 |
>50≤200 |
- |
- |
- |
- |
|
|
SM490YB |
|
0.20 |
0.20 |
0.55 |
1.6 |
0.035 |
0.035 |
high strength steel sheet mechanical property
|
SM490YB |
|
Yield strength (N/MM2) |
Tensile strength (N/MM2) |
Elongation |
|||||||||
|
TH |
≤16 |
>16-40 |
>40-75 |
>75-100 |
>100-160 |
>160-200 |
≤100 |
>100-200 |
≤15 |
>5-16 |
>16-50 |
>40 |
|
|
|
365 |
355 |
335 |
325 |
~ |
~ |
490-610 |
~ |
19 |
15 |
19 |
21 |
|
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