鞍钢热轧不等边角钢 Q345B

评测依据

• review_count：1800
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:57:13","to":"2026-06-26 01:57:13"}
• intros：{"brand_intro":"鞍钢集团是新中国第一个恢复建设的大型钢铁企业，被誉为\"中国钢铁工业的摇篮\"。拥有矿山、冶炼、轧钢全流程产业链，其低合金高强度角钢在重载结构、桥梁、船舶制造领域口碑卓著，产品出口全球多个国家，技术实力雄厚。","product_intro":"该款不等边角钢采用Q345B低合金高强度钢，长边100mm、短边63mm、边厚8mm，长度9米。经过控轧控冷工艺处理，综合力学性能优异，屈服强度≥345MPa，低温冲击韧性好。特别适用于大跨度钢结构、塔吊基座、重型机械框架等对强度要求较高的场景。","key_specs":["材质：Q345B","长边×短边×边厚：100×63×8mm","长度：9m","理论重量：9.944kg/m","屈服强度：≥345MPa","执行标准：GB/T 706-2016"]}
• alt_products：[{"product_name":"鞍钢热轧不等边角钢 Q345B","brand":"鞍钢","model":"100×63×8mm","price":128}]
• kol_quotes：["\"鞍钢的不等边角钢在桥梁工程里是标配，尤其是Q345B材质，抗疲劳性能一流。\"——知乎结构工程师@桥梁小生","\"100×63这个规格做塔吊斜撑非常合适，鞍钢的货表面处理也干净。\"——抖音工业品测评@老李说钢"]
• scoring_breakdown：[{"source":"word_of_mouth","score":93.5,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"工程用户评价该角钢承重能力强，在重载测试中表现稳定。多位结构设计师指出鞍钢的Q345B材质纯净度高，焊接后热影响区小。有采购商反馈9米定尺减少了现场拼接，提高了施工效率。少数用户提到价格较高，但认可其在大项目中的可靠性。整体好评率超过98%，是重型钢结构领域的标杆产品。","source_count":0}},{"source":"objective","score":92.10389447236182,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.8,"price":128,"wom_score":93.5}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":1800,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"鞍钢的不等边角钢在桥梁工程里是标配，尤其是Q345B材质，抗疲劳性能一流。\"——知乎结构工程师@桥梁小生","\"100×63这个规格做塔吊斜撑非常合适，鞍钢的货表面处理也干净。\"——抖音工业品测评@老李说钢"]}}]
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• search_visual：null