SM520 SM570 High Strength Low Alloy HSLA Steel
SM520/SM570 high strength steel plate belongs to the Japanese industrial standard grade, equivalent to low alloy high-strength plate.SM520/SM570 implementation standard is: Japanese standard JISG 3106-2008 "welded structure with rolled steel plate", SM570 is also this standard grade, strength level in the standard is the highest.
SM520/SM570 has high yield strength and high toughness under low-temperature impact, so it is widely used in bridge construction, engineering machinery, construction, ships and other aspects of the need for higher strength of mechanical equipment and its steel structure components.
SM520 SM570 high tensile steel plate chemical composition
|
Symbol |
Chemical composition |
||||
|
C max |
Si max |
Mn
|
P max |
S max |
|
|
SM520B |
0.20 |
0.55 |
1.6 max |
0.035 |
0.035 |
|
SM520C |
0.20 |
0.55 |
1.6 max |
0.035 |
0.035 |
|
SM570 |
0.19 |
0.55 |
1.6 max |
0.035 |
0.035 |
SM520 SM570 high tensile steel sheet 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 |
||||
|
SM520B SM520C |
365 |
355 |
520-640 |
<5 |
NO.5 |
19 |
|
≥5 <16 |
NO.1A |
15 |
||||
|
≥16 <50 |
NO.1A |
19 |
||||
|
SM570 |
460 |
450 |
570-720 |
<5 |
NO.5 |
19 |
|
≥5 <16 |
NO.5 |
26 |
||||
|
≥16 <50 |
NO.5 |
20 |
||||
SM520 SM570 HSLA Low Alloy High Strength Steel Plate application
SM520 low alloy steel material is widely used in construction, bridge, machinery, petrochemical, ocean engineering and other fields. In these fields, SM520 high strength low alloy steel plate is mainly used to manufacture large pressure vessels, reactors, towers and other key equipment. It is widely used in these fields because of its good comprehensive performance and cost-effectiveness, which can ensure the safety and stability of the equipment.
SM570 low alloy high-strength plate has high strength and good fatigue resistance; high toughness and low brittle transition temperature; good cold-forming properties and welding properties; good corrosion resistance and certain wear resistance. It is suitable for all kinds of lifting cranes, pump trucks, heavy vehicles, high-temperature fans, hydraulic supports in coal mines, steel structures and so on.
High Strength Low Alloy HSLA Steel Products image
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We have excellent after-sales service. If you have any questions about SM520 SM570 High Strength Low Alloy HSLA Steel, you can contact us and we will reply to you within two hours.
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