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联系我时,请说是在牵牛钢材网上看到的,谢谢!
Q550NHD是介于普通钢和不锈钢之间的低合金钢系列,Q550NHD属于焊接耐候钢,也叫耐大气腐蚀钢,分为Q550NHA、Q550NHB、Q550NHC、Q550NHD、Q550NHE五个等级。Q是屈服强度中强字汉语拼音的首位字母,550是钢的下屈服强度的下限值,单位N/ mm2;NH是耐候汉语拼音的首位字母,D是质量等级,D级是-20℃冲击。
Q550NHD化学成分、熔炼分析
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Cu |
Nb |
V |
Ti |
Alt |
Zr |
≤0.16 |
≤0.65 |
≤2 |
≤0.025 |
≤0.03 |
0.12~0.65 |
0.3~1.25 |
≤0.3 |
0.2~0.55 |
0.015~0.06 |
0.02~0.12 |
0.02~0.1 |
≥0.02 |
≤0.15 |
成分备注:为改善性能,根据需要可添加Nb、V、Ti、Alt中一种或几种合金元素;Nb+V+Ti≤0.22。
Q550NHD牌号 | 厚度 | 宽 | 长 | 钢厂 |
Q550NHD | 8 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 10 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 12 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 14 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 16 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 18 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 20 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 22 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 24 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 26 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 28 | 2200/2500 | 10000/12000 | 舞钢 |
Q550NHD | 30 | 2200 | 11000 | 舞钢 |
Q550NHD | 32 | 2200 | 11000 | 舞钢 |
Q550NHD | 34 | 2200 | 11000 | 舞钢 |
Q550NHD | 36 | 2200 | 11000 | 舞钢 |
Q550NHD | 40 | 2200 | 11000 | 舞钢 |
Q550NHD | 45 | 2200 | 11000 | 舞钢 |
舞钢188-3825-3183 |
牌号 | 厚度 | 宽 | 长 | 钢厂 |
Q550NHC | 8 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 10 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 12 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 14 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 16 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 18 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 20 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 22 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 24 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 26 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 28 | 2000/2200 | 12000 | 舞钢 |
Q550NHC | 30 | 2200 | 11000 | 舞钢 |
Q550NHC | 32 | 2200 | 11000 | 舞钢 |
Q550NHC | 34 | 2200 | 11000 | 舞钢 |
Q550NHC | 36 | 2200 | 11000 | 舞钢 |
Q550NHC | 40 | 2200 | 11000 | 舞钢 |
Q550NHC | 45 | 2200 | 11000 | 舞钢 |
舞钢188-3825-3183 |