西南铝7075超硬铝合金棒

评测依据

• review_count：760
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_quality
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:57:14","to":"2026-06-26 01:57:14"}
• intros：{"brand_intro":"西南铝业（集团）有限责任公司是中国特大型铝加工企业，始建于1965年，隶属于中铝集团。公司拥有国家级技术中心，产品广泛应用于航空航天、轨道交通和电子通讯。7075铝棒是其王牌产品，以超高强度和耐磨性闻名，长期为国产战斗机、高铁提供关键材料，技术实力国内领先。","product_intro":"7075铝合金棒是Al-Zn-Mg-Cu系超硬铝合金，T651状态下抗拉强度高达570MPa，接近钢材水平。该产品具有极高的强度重量比和优良的耐磨性，适用于高应力结构件，如飞机起落架、模具顶杆、自行车车架及精密夹具。直径范围20-150mm，表面经预拉伸消除内应力，变形量极小。","key_specs":{"材质":"7075铝合金","状态":"T651","抗拉强度":"≥570 MPa","硬度":"150 HB","直径范围":"20-150 mm","执行标准":"GB/T 3191-2019"}}
• alt_products：[{"product_name":"西南铝7075超硬铝合金棒","brand":"西南铝业","model":"7075-T651","price":55},{"product_name":"南山铝业6061铝合金棒","brand":"南山铝业","model":"6061-T6","price":28.5},{"product_name":"中铝2A12高强度铝合金棒","brand":"中铝集团","model":"2A12-T4","price":35}]
• kol_quotes：["\"7075-T651的强度在国产铝棒里数一数二，我们做模具顶杆必用。\"——模具行业KOL周工","\"西南铝的军工背景让它的品控非常严格，值得信赖。\"——航空材料专家李教授"]
• scoring_breakdown：[{"source":"word_of_mouth","score":93.5,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度认可其强度表现，模具和夹具行业反馈使用寿命比6061长3倍以上。航空航天采购人员强调其批次检验严格，性能数据可靠。部分用户指出价格较高，且加工时需使用硬质合金刀具。少数评论提到大直径棒材存在轻微应力变形，但整体瑕不掩瑜。专业领域口碑极佳，是高端应用的首选。","source_count":0}},{"source":"objective","score":95,"weight":0.55,"confidence":0.8,"details":{"rating_avg":4.8,"review_count":760,"wom_score":93.5}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":760,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"7075-T651的强度在国产铝棒里数一数二，我们做模具顶杆必用。\"——模具行业KOL周工","\"西南铝的军工背景让它的品控非常严格，值得信赖。\"——航空材料专家李教授"]}}]
• method_version：v3
• search_visual：null