S355G2+N S355G3+N High Strength Low Alloy Steel
S355G2+N low alloy steel material belongs to the European standard low alloy high-strength steel, is a fixed offshore structure with welded structural steel.S355G2+N indicates that "S": indicates the structural steel; "355": indicates that the minimum yield strength of the steel plate is 355MPa; "G2": indicates that the steel characteristics of the relevant figures; N": indicates that the delivery status of normalised or normalised rolled.S355G2 + N high strength low alloy plate is more widely used, the main purpose of S355G2 + N is a series of high-strength structural steel products, with good comprehensive mechanical properties, welding performance, Process performance.
S355G3+N high strength low alloy hsla steel plate is a kind of hot-rolled welded structural steel plate. S355G3+N is its steel grade, of which "S" indicates structural steel, the number "355" indicates that the minimum yield strength of 355MPa, the letter "G3" indicates that steel The letter "G3" indicates that the heat treatment parameters and mechanical properties of the steel meet the requirements of the relevant specifications, and the "+" symbol indicates that the steel has a normalised treatment.S355G3+N high strength steel plate is widely used in structural engineering, and is suitable for use in offshore platforms, shipbuilding, marine engineering, and oil and gas industry and other fields that require high strength and excellent durability.
s355G2+N high tensile steel chemical composition
|
Si |
C |
P |
Mn |
S |
Mo |
Cr |
|
0.050 |
0.020 |
0.0035 |
0.090 to1.065 |
0.0030 |
0.010 |
0.030 |
|
Alt min.0 |
Ni |
N |
Cu |
Nb |
V |
Ti |
|
0.0020 |
0.050 |
0.0015 |
0.035 |
0.0060 |
0.012 |
0.0030 |
S355G3+N high strength alloy steel mechanical property
| Rm - Tensile strength (MPa) (+N) | 470 to 630 |
| Nominal thickness (mm): | to 16 | 16 to 25 |
| ReH - Minimum yield strength (MPa) (+N) | 355 | 345 |
| KV - Impact energy (J) (+N) | -20° 50 |
| A - Min. elongation Lo = 5,65 √ So (%) (+N) | 22 |
S355G3+N high strength low alloy structural steel chemical composition
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
0.18 |
0.50 |
0.90-1.65 |
0.030 |
0.025 |
0.30 |
0.10 |
|
Ni |
Alt min. |
Cu |
N |
Nb |
Ti |
V |
|
0.50 |
0.020 |
0.35 |
0.015 |
0.060 |
0.030 |
0.12 |
S355G3+N hsla structural steel mechanical property
| Rm - Tensile strength (MPa) (+N) | 470-630 |
| Nominal thickness (mm): | to 16 | 16 - 40 |
| ReH - Minimum yield strength (MPa) (+N) | 355 | 345 |
| KV - Impact energy (J) (+N) | -40° 50 |
| A - Min. elongation Lo = 5,65 √ So (%) (+N) | 22 |
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