主营:锅炉容器板,耐磨板,高强板,船板,管线钢,低合金高强板
所在地:
河南 郑州
产品价格:
6900元/吨(大量采购价格面议)
最小起订:
1
发布时间:
2022-04-24
有效期至:
2022-10-24
产品详细
28MnB是标准焊接结构用钢,是低碳合金钢,综合性能好,低温性能好,冷冲压性能,焊接性能和可切削性能好。
28MnB规格:8mm-2000mm
28MnB宽度:1500mm-3950mm
28MnB长度:6000mm-16000mm
28MnB执行标准:WKZ
28MnB交货状态:控轧、热轧、正火、正火 回火
28MnB化学成分分析:
28MnB碳C:0.25-0.32
28MnB锰Mn:1.0-1.5
28MnB磷P:不大于0.035
28MnB硫S:不大于0.035
28MnB硅Si:0.15-0.4
28MnB铬Cr:不大于0.3
28MnB钛Ti:不大于0.6
28MnB硼B:0.0008-0.005
28MnB铝Al:不大于0.02
28MnB力学性能分析:
28MnB厚度8mm-16mm,屈服强度不小于345MPa,抗拉强度450MPa-630MPa,伸长率不小于17%
28MnB厚度16mm-40mm,屈服强度不小于335MPa,抗拉强度450MPa-630MPa,伸长率不小于17%
28MnB厚度40mm-63mm,屈服强度不小于325MPa,抗拉强度450MPa-630MPa,伸长率不小于17%
28MnB厚度63mm-80mm,屈服强度不小于315MPa,抗拉强度450MPa-630MPa,伸长率不小于17%
28MnB厚度80mm-100mm,屈服强度不小于305MPa,抗拉强度450MPa-630MPa,伸长率不小于17%
28MnB厚度100mm-150mm,屈服强度不小于285MPa,抗拉强度450MPa-630MPa,伸长率不小于17%
28MnB厚度150mm-200mm,屈服强度不小于275MPa,抗拉强度450MPa-630MPa,伸长率不小于17%
28MnB被广泛用于制作各类合金结构件及其零部件,如电站锅炉过热器集箱,大口径管板结构件