S355G5+M S355G6+M Low Alloy Steel Material
S355G5+M low alloy steel plate is a high-strength welded structural steel material used in marine and ship structures. Its chemical composition and mechanical properties meet the relevant international standards, and it has good strength, toughness and corrosion resistance.S355G5+M high strength low alloy steel plate is suitable for ship hull structures, marine engineering and offshore and coastal facilities.
S355G6+M belongs to the European standard special steel plate for marine structure, and S355G6+M executive standard is EN10025 special technical conditions. S355G6+M high strength steel plate because of its own high strength, high toughness, fatigue resistance, corrosion resistance, impact resistance, abrasion resistance, weather resistance, welding and easy processing performance just to meet the requirements of the marine platform and marine equipment manufacturing industry after the selection of materials are widely used in the construction of marine platforms, marine engineering construction field.
s355G5+M high tensile steel chemical composition
| C | Si | Mn | P | S | Cr | Mo |
| 0.14 | 0.50 | 1.60 | 0.035 | 0.030 | - | 0.20 |
| Ni | Alt min. | Cu | N | Nb | Ti | V |
| 0.30 | 0.020 | - | 0.015 | 0.050 | 0.050 | 0.10 |
S355G6+M high strength alloy steel chemical composition
|
|
||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
0.14 |
0.50 |
1.60 |
0.030 |
0.025 |
- |
0.20 |
|
Ni |
Alt min. |
Cu |
N |
Nb |
Ti |
V |
|
0.30 |
0.020 |
- |
0.015 |
0.050 |
0.050 |
0.10 |
S355G5+M hsla structural steel mechanical property
| Thickness (mm) | |||||||
| S355G5+M | ≤ 16 | > 16 ≤ 25 | > 25 ≤ 40 | > 40 ≤ 63 | > 63 ≤ 100 | > 100 | |
| Yield strength (≥Mpa) | 355 | 345 | 345 | 345 | 345 | 345 | |
| ≤ 100 | > 100 | ||||||
| Tensile strength (Mpa) | 470-610 | 470-610 | |||||
S355G6+M low alloy structural steel mechanical property
| Rm - Tensile strength (MPa) (+M) | 470-610 |
| Nominal thickness (mm): | to 16 | 16 - 25 |
| ReH - Minimum yield strength (MPa) (+M) | 355 | 345 |
| KV - Impact energy (J) (+M) | -20° 50 |
| A - Min. elongation Lo = 5,65 √ So (%) (+M) | 22 |
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