Tel : 0086-021-60880117
Tel : 0086-021-60880117
SN400B is a kind of hot rolled steel plate in the standard of JIS G3136. The steel grade SN400B are hot rolled steel plate is used for construction or building .
Standard: JIS G3136
Dimension range : 3mm -580mm x 1000mm-4000mm x 1000mm-18000mm
Heat treatment of SN400B steel sheet /plate maybe subjected to normalling,quench-hardening and tempering,or tempering as necessary .Further ,thermomechanical control,or appropriate heat treatment may be applied upon the purchase .
JIS G3136 SN400B Carbon steel plate Mechanical Properties :
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Mechanical Properties
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Grade |
Tensile test (transverse) |
V notch impact test |
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Upper yield strength MPa |
Tensile strength MPa |
Elongation% |
180°Bend test b≥35mm Inner diameter |
Temperature °C |
Energy J |
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L=50 b=25 |
L=200 b=40 |
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Nominal thickness mm |
Nominal thickness mm |
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≤16 |
＞16 |
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≤5 |
＞5~16 |
＞16 |
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SN400B |
≥235 |
235~355 |
400~510 |
≥18 |
≥18 |
≥22 |
2a |
20 |
≥27 |
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SN400B Mild steel sheet Chemical composition ( %) :
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Chemical composition
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Grade |
Thickness mm |
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
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SN400B |
≥6 ≤50 |
0.20 |
0.35 |
0.60~1.40 |
0.030 |
0.05 |
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＞50 ≤100 |
0.22 |
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Delivery Status : Rolling, rolling or normalizing probe
JIS G3136 SN400B structural steel plate application :
SN400B is mainly used in the production of industrial and civil buildings, such as pillars and bearing beams, for high-rise buildings and large-span buildings.
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