S355G7+M、S355G7+N、S355G8+M、S355G8+N、S355G10+M、S355G10+N
属于高强度结构钢系列产品，具有良好的综合机械性能、焊接性能、工艺性能。适用于制造远洋、近海的采油平台、码头设备等结构件。
S355G7+M、S355G7+N、S355G8+M、S355G8+N、S355G10+M、S355G10+N high strength structural steel series products have good combined mechanical property,welding performance and processing property.They are suitable for the fabrication of offshore and abyssal oil production platform,FPSO Ship,Spar Platform,coastal power plant and terminal facilities.
牌号（Steel Grade）：S355G7+M、S355G7+N、S355G8+M、S355G8+N、S355G10+M、S355G10+N
执行标准（Applicable standard）:BS EN10225
| 牌号/Grade | C | Si | Mn | S | P | AIs | Nb | V | Ti |
| S355G7+M/N | ≤0.12 | 0.15-0.55 | 1.00-1.65 | ≤0.005 | ≤0.020 | ≥0.015 | ≤0.030 | ≤0.060 | ≤0.025 |
