Q690D similar grades: WuGang WQ690D, ASTM SQ690D HG785D wisco
Three, project application and prospects
Heavy machinery, Marine engineering, WuGang 153 chopped delivery, delivery WuGang Zhou180 Yi metal structure products manufacturing enterprises to cooperate with WuGang Q690D used in the enterprise production and construction project.In exports in the United States, Canada, Australia, India, Europe and other prospects look good.Have straight for European customers million tons.Leading technology, highly clean molten steel, research and development ability strong base, 8 mm - 120 mm thick.Q690D chemical composition (wt %) delivery WuGang chopped 8812, WuGang Zhou180 Yi 3717 2227 to pick up the goods
|
成分 |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Nb |
Ti |
B |
|
Q690D |
≤0.18 |
≤0.60 |
≤2.0 |
≤0.030 |
≤0.025 |
≤0.80 |
≤1.00 |
≤0.30 |
≤0.11 |
≤0.020 |
≤0.004 |
碳当量计算公式:CEV=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15舞钢153王工7873安排8812提货，舞钢180周义3717安排2227提货
二、 力学性能
|
牌号 |
检测项目 |
结果描述 |
结果或测定值 |
|
Q690D |
Rp0.2 |
Mpa |
≥640 |
|
Rm |
Mpa |
≥730 |
|
|
A50 |
% |
≥14 |
|
|
180°冷弯 |
d=3a |
完好 |
|
|
﹣20°C冲击功 |
J |
47 |
Q690D钢板实物进行检验时抗拉、屈服值都略高于标准值100Mpa.