SN490B HSLA Steel Plate
SN490B low alloy steel sheet belongs to the Japanese standard low alloy high-strength construction steel sheet. SN490B low alloy structural steel not only has very high strength, but also has certain toughness, wear resistance, fatigue resistance, earthquake resistance and impact resistance, and easy welding processability. Cold formability, wear resistance and acid resistance, etc.
SN490B hsla structural steel: SN=SN steel, which is one of the structural steel specifications for buildings; 490=indicates the minimum yield value unit Mpa; B=indicates the level.
The SN490 high strength low alloy steel sheet brand is divided into two levels: SN490B hsla steel sheet and SN490C high strength low alloy structural steel. SN490B high strength alloy steel is equivalent to the domestic brand Q460C high tensile steel.
SN490B high strength low alloy steel plate is generally used in landmark buildings, office building construction, nuclear power plant construction, steel structure engineering, factory construction, scenic spot construction, etc. It is widely used in the construction industry.
SN490B Hsla Steel Chemical Composition:
| C% max | Si% max | Mn% max | P% max | S% max |
| 0.14 | 0.33 | 1.5 | 0.008 | 0.005 |
SN490B Low Alloy Steel Mechanical Property:
|
Tensile Test |
MPa |
|
Tensile Strength |
490-610 |
|
Yield Strength |
I:325 |
|
Elongation |
I:17% |
structural alloy steel plate
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