S355NL S355ML Low Alloy Steel Plates
S355NL is a European standard alloy structural high-strength steel, normalised rolled weldable fine grain structural steel plate, equivalent to the national standard Q345E series, S :indicates structural steel, N: state, capital L: the level of the minimum value of the specified impact energy when the temperature is not lower than -50 ° C. S355NL is widely used for structural parts of construction machinery, mining machinery, metallurgy and environmental protection, water conservancy and hydropower.
S355ML steel plate is hot rolled weldable fine grain structural steel, belongs to the low alloy high strength steel plate series, the thickness of not more than 120mm flat rolled material and thickness ≤ 150mm long material. The S is the meaning of structural steel, 355 marked by the relevant thickness of less than 16mm small yield value is 355MPa, M on behalf of his delivery, that is, the meaning of hot-rolled, the rules of the impact at a temperature of not less than -50 degrees Celsius marked with a capital letter L. S355 for non-alloy structural steel.
s355NL low alloy steel chemical composition
| C | Si | Mn | Ni | P | S | Cr | Mo | V | N | Nb | Ti | Al | Cu | CEV |
| max 0.18 | max 0.5 | 0.9 - 1.65 | max 0.5 | max 0.025 | max 0.02 | max 0.3 | max 0.1 | max 0.12 | max 0.015 | max 0.05 | max 0.05 | max 0.02 | max 0.55 | max 0.45 |
S355ML high strength low alloy steel chemical composition
| C | Si | Mn | Ni | P | S | Cr | Mo | V | N | Nb | Ti | Al | Cu | CEV |
| max 0.14 | max 0.5 | max 1.6 | max 0.5 | max 0.025 | max 0.02 | max 0.3 | max 0.1 | max 0.1 | max 0.015 | max 0.05 | max 0.05 | max 0.02 | max 0.55 | max 0.45 |
s355NL high strength low alloy hSLA steel mechanical property
|
Thickness(mm) |
Min Yield (Mpa) |
Tensile(MPa) |
Elongation(%) |
Min Impact Energy |
|
|
8mm-100mm |
235Map-275Mpa |
470-630Mpa |
22% |
-50 |
27J |
|
101mm-200mm |
285Mpa-315Mpa |
450-600Mpa |
21% |
-50 |
27J |
|
201mm-250mm |
275Mpa-285Mpa |
450-600Mpa |
21% |
-50 |
27J |
|
The min impact energy is longitudinal energy |
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S355ML high strength steel mechanical property
|
Grade |
Min Yield strength in different thickness |
Min tensile strength in different thickness |
Min Elongation in different thickness |
||||||||
|
≤ 16 |
> 16 ≤40 |
> 40 ≤63 |
> 63 ≤80 |
> 80 ≤100 |
> 100 ≤120 |
≤40 |
> 40≤63 |
> 63≤ 120 |
|||
|
S355ML |
355 |
345 |
335 |
325 |
325 |
320 |
470-630 |
450-610 |
440-600 |
2 |
|
high strength low alloy structural steel plate Products image
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