S355G9+N S355G10+N High Strength Low Alloy Steel Plate
355G9+N is a kind of European standard steel plate, belongs to the fixed coastal structure with weldable structural steel, its delivery status for the thermo-mechanical rolling, the impact of -40 degrees impact test, G after the 9 indicates that the steel characteristics of the relevant figures, as for the back of the +N indicates that the steel plate to the normalised state delivery.
S355G10+N is a kind of European standard steel plate, belongs to the fixed coastal structure with weldable structural steel, its delivery status for the normalised or normalised rolled, impact for -40 degrees impact test, G after the 10 indicates the characteristics of the steel type of the relevant figures, as for the back of the +N means normalised or normalised rolled, just a method of naming the number of steel standard.
S355G9+N high tensile alloy steel chemical composition
| C | Si | Mn | P | S | Cr | Mo | Nb+V | Nb+V+Ti |
| 0.12 | 0.15-0.55 | 1.65 | 0.020 | 0.010 | 0.20 | 0.08 | 0.06 | 0.08 |
| Ni | Alt | Cu | N | Nb | Ti | V | Cr+Mo+Ni+Cu | |
| 0.70 | 0.015-0.055 | 0.30 | 0.010 | 0.030 | 0.025 | 0.060 | - | |
S355G10+N high strength structural steel chemical compisition
| C | Si | Mn | P | S | Cr | Mo | Nb+V | Nb+V+Ti |
| 0.12 | 0.15-0.55 | 1.65 | 0.015 | 0.005 | 0.20 | 0.08 | 0.06 | 0.08 |
| Ni | Alt | Cu | N | Nb | Ti | V | Cr+Mo+Ni+Cu | |
| 0.70 | 0.015-0.055 | 0.30 | 0.010 | 0.030 | 0.025 | 0.060 | - | |
S355G9+N low alloy structural steel mechanical property
| Thickness (mm) | |||||||
| S355G9+M | ≤ 16 | > 16 ≤ 25 | > 25 ≤ 40 | > 40 ≤ 63 | > 63 ≤ 100 | > 100 | |
| Yield strength (≥Mpa) | 355 | 355 | 345 | 335 | 325 | 325 | |
| ≤ 100 | > 100 | ||||||
| Tensile strength (Mpa) | 470-630 | 470-630 | |||||
S355G10+N hSLA structural steel mechanical property
| Thickness (mm) | |||||||
| S355G10+M | ≤ 16 | > 16 ≤ 25 | > 25 ≤ 40 | > 40 ≤ 63 | > 63 ≤ 100 | > 100 | |
| Yield strength (≥Mpa) | 355 | 355 | 345 | 335 | 325 | 325 | |
| ≤ 100 | > 100 | ||||||
| Tensile strength (Mpa) | 470-630 | 470-630 | |||||
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