1.Q345D圆钢.为低合金圆钢
2.执行标准:GB/T1591-2008《低合金高强度结构钢》
3.Q345D钢材与Q345A,B,C钢相比而言。低温冲击功的试验温度低(-20℃最小27J)
4.机械性能好。含有害物资P,S量比Q345A,B,C要低。
5.市场价格比Q345A,B,C要高
6.化学成分:C:≤0.18;Si:≤0.50;Mn:≤1.70;P:≤0.030;S:≤0.025;Nb:≤0.07;V:≤0.15;Ti:≤0.20;Cr:≤0.30;Ni:≤0.50;Cu:≤0.30;N:≤0.012;Mo:≤0.10;Als:≥0.015。
7.力学性能屈服:≤16mm:≥345;16—40mm:≥335;40—63mm:≥325;63—80mm:≥315;80—100mm:≥305;100—150mm:≥285;150—200mm:≥275;200—250:≥275;250—400:≥265。抗拉强度:450—630。伸长率:≥21。冲击试验:-20℃:≥34。
8交货状态钢材以热轧,控扎,正火,正火+回火,热机械轧制(TMCP)状态交货。
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我公司常备Q345D圆钢于名储二号库,直径为18-250,可代订大尺寸或者特殊要求的圆钢
Q345D圆钢∮18*6000-8000淮钢
Q345D圆钢∮20*6000-8000淮钢
Q345D圆钢∮30*6000-8000淮钢
Q345D圆钢∮40*6000-8000淮钢
Q345D圆钢∮46*6000-8000淮钢
Q345D圆钢∮60*6000-8000淮钢
Q345D圆钢∮80*6000-8000淮钢
Q345D圆钢∮90*6000-8000淮钢
Q345D圆钢∮100*6000-8000淮钢
Q345D圆钢∮110*6000-8000淮钢
Q345D圆钢∮120*6000-8000淮钢
Q345D圆钢∮130*6000-8000苏钢
Q345D圆钢∮140*6000-8000苏钢
Q345D圆钢∮150*6000-8000苏钢
Q345D圆钢∮160*6000-8000苏钢
Q345D圆钢∮170*6000-8000苏钢
Q345D圆钢∮180*6000-8000苏钢
Q345D圆钢∮190*6000-8000苏钢
Q345D圆钢∮200*6000-8000苏钢
Q345D圆钢∮210*6000-8000 淮钢
Q345D圆钢∮220*6000-8000 淮钢
Q345D圆钢∮230*6000-8000 淮钢
Q345D圆钢∮240*6000-8000 淮钢
Q345D圆钢∮250*6000-8000 淮钢
Q345D圆钢∮260*6000-8000 淮钢