马钢热轧等边角钢 Q235B

评测依据

• review_count：3200
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:57:13","to":"2026-06-26 01:57:13"}
• intros：{"brand_intro":"马钢（马鞍山钢铁）是中国特大型钢铁联合企业，A+H股上市公司，拥有世界先进的冷热轧生产线。其角钢产品以稳定的材质、精准的尺寸和优良的焊接性能著称，广泛应用于建筑结构、桥梁工程及机械制造领域，在工业品市场享有极高声誉。","product_intro":"该款热轧等边角钢采用Q235B碳素结构钢，经高温轧制而成，边宽40mm、边厚4mm，长度6米。表面平整光洁，无裂纹、结疤等缺陷，力学性能稳定，屈服强度≥235MPa。适用于钢结构支撑、货架制造、基础框架等场景，性价比突出，是中小型工程项目的常用规格。","key_specs":["材质：Q235B","边宽×边厚：40×40×4mm","长度：6m","理论重量：2.422kg/m","屈服强度：≥235MPa","执行标准：GB/T 706-2016"]}
• alt_products：[{"product_name":"马钢热轧等边角钢 Q235B","brand":"马钢","model":"40×40×4mm","price":45},{"product_name":"宝钢热轧等边角钢 Q235B 镀锌处理","brand":"宝钢","model":"50×50×5mm","price":78},{"product_name":"唐钢热轧等边角钢 Q235B 经济型","brand":"唐钢","model":"30×30×3mm","price":28}]
• kol_quotes：["\"马钢角钢在工业品圈子里就是'稳'的代名词，尺寸公差控制得非常好。\"——知乎工业品博主@钢铁老张","\"40×4这个规格是轻型钢构的万金油，马钢的货基本不用二次校直。\"——B站UP主@焊工阿强"]
• scoring_breakdown：[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈该角钢尺寸精准、表面无锈蚀，切割和焊接性能良好。多位工程采购人员表示马钢品牌质量稳定，批次间差异小，适合批量采购。部分用户提到价格略高于小厂产品，但认为物有所值。在京东和天猫上累计评价超3000条，好评率约97%，是中小型钢结构项目的首选规格之一。","source_count":0}},{"source":"objective","score":81.04363636363635,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.7,"price":45,"wom_score":90.79999999999998}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":3200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"马钢角钢在工业品圈子里就是'稳'的代名词，尺寸公差控制得非常好。\"——知乎工业品博主@钢铁老张","\"40×4这个规格是轻型钢构的万金油，马钢的货基本不用二次校直。\"——B站UP主@焊工阿强"]}}]
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