S355系列海洋工程用結構鋼板
S355G7+M、S355G7+N、S355G8+M、S355G8+N、S355G10+M、S355G10+N
主要用途/Main Application
屬於高強度結構鋼系列產品，具有良好的綜合機械性能、焊接性能、工藝性能。適用於製造遠洋、近海的採油平台、碼頭設備等結構件。
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.
牌號和標準/Steel Grade and Standard
牌號（Steel Grade）：S355G7+M、S355G7+N、S355G8+M、S355G8+N、S355G10+M、S355G10+N
執行標準（Applicable standard）:BS EN10225
化學成分（Chemical Composition）:
| 牌號/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 |
力學性能/Mechanical property
| 牌號/Grade | 屈服強度Yield Strength Mpa, ≥ | 抗拉強度Tensile Strength Mpa | 延伸率Elongation %,≥ | V型橫向衝擊功V-notch lmpact Energy,J, ≥ | ||||
| ≤25 | >25-40 | >40-63 | >63-80 | 溫度℃Temp | 縱向Longitudinal | |||
| S355G7+M/N | 355 | 345 | 335 | 325 | 470-630 | 22 | -40 | 50 |
