SM490 JIS Standard High Strength Plate
SM490 steel plate is Japanese standard low alloy high-strength steel, the implementation of the Japanese standard JISG3106 special technical conditions, SM490 model SM is expressed in the meaning of the Japanese standard high-strength version, and 490 is expressed in the strength of the steel plate.
SM490 low alloy steel material chemical composition
|
Symbol |
Chemical composition |
||||
|
C max |
Si max |
Mn
|
P max |
S max |
|
|
SM490A |
0.20 |
0.55 |
1.6 max |
0.035 |
0.035 |
|
SM490B |
0.19 |
0.55 |
1.6 max |
0.035 |
0.035 |
|
SM490C |
0.19 |
0.55 |
1.6 max |
0.035 |
0.035 |
SM490 high strength low alloy steel plate mechanical property
|
Symbol |
Yield point or proof stress N/mm2 (min) |
Tensile strength N/mm2 |
Elongation |
|||
|
Thickness of steel mm |
Thickness of steel mm |
thinckness |
Test piece |
% min |
||
|
16 or under |
Over 16-40 |
100 or under |
||||
|
SM490A SM490B SM490C |
325 |
315 |
490-610 |
<5 |
NO.5 |
22 |
|
≥5 <16 |
NO.1A |
17 |
||||
|
≥16 <50 |
NO.1A |
21 |
||||
SM490 high strength low alloy steel sheet Products Details
There are 3 types of SM490 steel, with grades such as: SM490A SM490B SM490C.
SM490 HSLA structural steel plate belongs to low alloy high-strength steel, it is a kind of structural steel produced according to Japanese standard JIS G3106.
SM490 low alloy steel plates is in normalized or hot rolled in the delivery state, and can also be presented in different delivery states according to the demand.
According to different applications, Z15/Z25/Z35 anti-laminar tear test can be done to verify the ductility performance and toughness in the thickness direction of the steel plate, and the delivery can also be done in one, two or three probes according to the demand.
SM490 low alloy structural steel plate is characterized by high strength, high toughness, fatigue resistance, impact resistance, abrasion resistance, corrosion resistance, seismic welding resistance, and easy machinability, etc. It is often used in buildings, bridges, ships, railroad vehicles, petroleum storage tanks, containers, and other constructions that require high-level weldability.
SM490 low alloy steel sheet Products image
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