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SN400A steel sheet
SN400A steel plate

SN400A welding structure steel is in the Japanese standard JIS G3136 .SN400A structural steel plate/sheet is used for the structure part with high requirement of mechanical property and welding performance in building, bridge, ship , automobile, pertroleum container and construction vehicles.

Standard: JIS G3136

Dimension range : 3mm -580mm x 1000mm-4000mm x 1000mm-18000mm

Heat treatment of SN400A steel sheet /plate maybe subjected to normalizing,quench-hardening and tempering,or tempering as necessary .Further ,or appropriate heat treatment may be applied upon the purchase .

JIS G3136 SN400A Mild steel plate Mechanical Properties :

Mechanical Properties

Grade

Tensile test (transverse)

V notch impact test

Upper yield strength MPa

Tensile strength MPa

Elongation%

180°Bend test b≥35mm Inner diameter

Temperature °C

Energy J

L=50 b=25

L=200 b=40

Nominal thickness mm

Nominal thickness mm

≤16

>16

 

≤5

>5~16

>16

SN400A

N.A

N.A

400~510

≥18

≥18

≥22

2a

-

≥27

SN400A Carbon steel sheet Chemical composition ( %) :

Chemical composition

Grade

Thickness mm

C ≤

Si ≤

Mn ≤

P ≤

S ≤

SN400A

≥16 ≤50

0.20

0.35

0.60~1.40

0.020

0.008

>50 ≤100

0.22

Delivery Status : Rolling, rolling or normalizing probe

JIS G3136 SN400A structural steel plate application :
SN400A 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.

Related Product:

SN400B, SN400C, SN490B, SN490C

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