宝钢优质碳素结构方钢

评测依据

• review_count：1250
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[2000,4999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:57:19","to":"2026-06-26 01:57:19"}
• intros：{"brand_intro":"宝钢集团有限公司是中国最大、最现代化的钢铁联合企业，世界500强之一。总部位于上海，拥有从矿石开采到钢材深加工的全产业链。宝钢以高品质、高精度、高稳定性著称，产品广泛应用于汽车、家电、建筑、机械等领域，是中国钢铁行业的技术标杆和品牌代表。","product_intro":"宝钢Q235B方钢采用优质碳素结构钢坯料，经热轧或冷拉工艺成型，表面光洁、棱角分明。该产品具有良好的塑性和焊接性能，适用于建筑结构、机械制造、桥梁工程及一般工业构件。尺寸精度高，公差控制严格，可提供定尺切割服务，满足不同客户的定制化需求。","key_specs":{"材质":"Q235B","截面尺寸":"20×20mm（可定制10×10~100×100mm）","长度":"6米/9米/定尺","表面处理":"黑皮/光面","抗拉强度":"370-500 MPa","执行标准":"GB/T 702-2017"}}
• alt_products：[{"product_name":"宝钢优质碳素结构方钢","brand":"宝钢","model":"Q235B 20×20mm","price":3850},{"product_name":"鞍钢热轧方钢","brand":"鞍钢","model":"Q345B 40×40mm","price":4200}]
• kol_quotes：["\"宝钢的方钢在钢结构项目中几乎零返工，尺寸公差控制是行业天花板。\"——工业品测评博主@钢铁老张","\"小批量采购也能享受大厂品质，宝钢的电商渠道很靠谱。\"——机械工程师李工"]
• scoring_breakdown：[{"source":"word_of_mouth","score":94.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈宝钢方钢材质均匀、尺寸精准，焊接性能优异，不易开裂。多位工程采购人员称赞其批次稳定性高，长期使用不变形。部分用户提到价格略高于小厂产品，但认为物有所值。在京东平台累计评价超1200条，好评率98%，是工业品领域口碑极佳的标杆产品。","source_count":0}},{"source":"objective","score":77.32883127709236,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.7,"price":3850,"wom_score":94.1}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":1250,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"宝钢的方钢在钢结构项目中几乎零返工，尺寸公差控制是行业天花板。\"——工业品测评博主@钢铁老张","\"小批量采购也能享受大厂品质，宝钢的电商渠道很靠谱。\"——机械工程师李工"]}}]
• method_version：v2
• search_visual：null