钢板高性能耐火耐候建筑用钢，该钢具有优良的综合力学性能，在600℃温度下屈服强度均高于其他室温下屈服强度的2/3，完全满足建筑结构用钢耐火安全性的强度许用指标：该钢具有低的焊接冷感性，能承受大线能量（/cm）焊接；该钢具有优良的耐火性能，其耐候性能也明显优于普通建筑用钢Q235和Q345.舞阳钢铁钢板定扎，舞钢一级代理商景隆钢铁保性能交货
钢板化学成分：
元素 C S Mn P Si Cu Ni Mo Cr
含量(%) ≤0.059 ≤0.006 ≤0.87 ≤0.034 ≤0.27 ≤0.126 ≤1.73 ≤0.36 ≤0.464
钢板力学性能：
实验名称 屈服强度（Rel） 抗拉强度（Rm） 伸缩率 冲击功（0℃）
参数 ≥ ≥ 29% ≥250J
钢板力学性能：
交货状态 取样方向 板厚/mm 拉伸试验 冲击试验 冷弯试验 高温拉伸
σs /Mpa σb/Mpa δs/% Akv（0℃）/J 180° 600℃屈服点σs /Mpa
热轧或正火+回火 纵向 4-16＞16-36＞36-60 ≥415≥405≥395 ≥510≥490≥470 ≥21 ≥47 d=2ad=3a ≥217≥210≥204
钢板交货状态：热轧 正火 正火+回火
steel high steel used in the steel has good yield at 600 ℃ were than the other of yield at room can the of fire of steel : the steel has a low cold can the big line ( kj/cm);The steel has and its is than the steel Q235 and Q345.
steel Plate :
C S Mn P Si Cu Ni Mo Cr
(%) of 0.059 or less were 0.006, 0.87, 0.034 or less or less were 0.27, 0.126, 1.73, 0.36, 0.464 or less or less or less or less
of steel plate:
name yield (Rel) (Rm) rate work (0℃)
≥ ≥ 29% ≥250J
of steel plate:
state plate /mm test test cold test high test
Yield point s/ Mpa B /Mpa S /% Akv (0℃) /J 180° 600℃
Hot or + 4-16 > 16-36 > 36-60 ≥415≥405≥395 ≥510≥490≥470 ≥21 ≥47 d=2ad=3a ≥217≥210≥204
steel plate : hot +