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                                                      山东军企物质--Q355NB钢板是什么材质、Q355NB执行什么标准

                                                      时间:2022/3/16 来源:www.votreurl.com

                                                      一、Q355NB是什么材质:
                                                      Q355NB是低合金高强度钢板,执行GB/T1591-2018标准,生产厚度为8-500mm,N表示正火轧制或正火,B表示冲击级别。同样不同级别的表示方法:Q355NB、Q355NC、Q355ND、Q355NE。
                                                      二、Q355NB化学成分:
                                                      C:≤0.20
                                                      Si:≤0.5
                                                      Mn:0.90-1.65
                                                      P:0.035
                                                      S:0.035
                                                      Nb:0.005-0.05
                                                      V:0.01-0.12
                                                      Ti:0.006-0.05
                                                      Cr:≤0.30
                                                      Ni:≤0.50
                                                      Cu:≤0.40
                                                      Mo:≤0.10
                                                      N:≤0.015

                                                      Als:≥0.01



                                                      三、Q355NB冶炼方法和Z向性能:
                                                      钢由转炉或电炉冶炼,必要时可进行炉外精炼。(需方有特殊要求可在合同中注明)。Z向性能是钢板抗层状撕裂试验。Z15、Z25、Z35三种。(Z向排列顺序由低到高)材质书表现为Q355NB-Z15、Q355NB-Z25、Q355NB-Z35也可以以C、D、E级别分别表示。
                                                      四、Q355NB钢板用途:
                                                      制造厂房,一般修建及各类工程机械,如矿山和各类工程施工用的钻机、电铲、电动轮翻斗车、矿用轿车、挖掘机、装载机、推土机、各类起重机、煤矿液压支架等机械设备及其他结构件。
                                                      五、Q355系列牌号有哪些:
                                                      Q355NB、Q355NC、Q355ND、Q355NE
                                                      Q355NB-Z15、Q355NC-Z15、Q355ND-Z15、Q355NE-Z15
                                                      Q355NB-Z25、Q355NC-Z25、Q355ND-Z25、Q355NE-Z25
                                                      Q355NB-Z35、Q355NC-Z35、Q355ND-Z35、Q355NE-Z35
                                                      Q355MB、Q355MC、Q355MD、Q355ME
                                                      Q355MB-Z15、Q355MC-Z15、Q355MD-Z15、Q355ME-Z15
                                                      Q355MB-Z25、Q355MC-Z25、Q355MD-Z25、Q355ME-Z25
                                                      Q355MB-Z35、Q355MC-Z35、Q355MD-Z35、Q355ME-Z35
                                                      六、舞钢Q355NB中厚板执行标准:
                                                      Q355NB执行GB/T1591—2018标准生产,尺寸外形及允许偏差:Q355NB尺寸、外形、重量及允许偏差符合GB/T709相应标准的规定。
                                                      七、Q355NB供应:
                                                      Q355NE、Q355ND、Q355NC、Q355NB舞钢产品大致介绍: 
                                                      1、可供钢板规格范围:厚度8-700mm,宽度1500-4020mm,长度4000mm-17000mm,单重可达30.00吨。根据需要还可供更大规格钢板。
                                                      2、可供钢板种类:碳素结构钢板、低合金高强度钢板、桥梁用钢板、建筑结构用钢板、造船及海上平台用钢板、锅炉及压力容器用钢板、模具用钢板、合金结构用钢板、油气输送管线用钢板、高强度高韧性钢板、耐腐蚀钢板、复合钢板等12大类、300多个国内外牌号。
                                                      3.可供探伤要求、Z15-Z35厚度方向性能要求、高强度高韧性要求等钢板。

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