SN490B is a Japanese standard high construction steel plate, which executes YB4104 JIS G3136 BS7191 standard. It is a special steel for earthquake-resistant construction. It corresponds to Q490C steel plate in our steel plate standard.SN490B steel plate is used to make steel for high-rise and important building structures. It is required to have high impact resistance, satisfying strength, excellent welding function, certain flexural strength ratio, and thickness direction function if necessary.
Chemical Composition( %):
|
Grade/ Material |
Element |
Composition( Max-A, Min-I) |
|
JIS G 3136 SN490B |
C |
A:0.18 |
|
Mn |
A:1.60 |
|
|
Si |
A:0.55 |
|
|
P |
A:0.030 |
|
|
S |
A:0.015 |
Mechanical Properties( Mpa):
|
Grade/ Material |
Tensile Test |
MPa |
|
JIS G 3136 SN490B |
Tensile Strength |
490-610 |
|
Yield Strength |
I:325 |
|
|
Elongation |
I:17% |
|
|
Impact Test( if any) |
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