高精度紫铜棒 T2

评测依据

• review_count：3200
• rating_avg：4.7
• 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":"宁波金田铜业（集团）股份有限公司成立于1986年，是中国最大的铜加工企业之一，年铜加工能力超百万吨。公司拥有国家级企业技术中心，产品广泛应用于电力、交通、建筑等领域，以高精度、高纯度铜材著称，连续多年入选中国制造业500强。","product_intro":"T2紫铜棒采用99.90%以上纯电解铜为原料，经挤压、拉拔工艺制成，表面光洁无裂纹。该型号为Y2半硬态，兼具良好的加工塑性和一定强度，适用于电气连接件、散热器、阀门等精密加工场景。直径公差可达h9级，导电率≥98%IACS。","key_specs":["材质：T2紫铜（Cu≥99.90%）","状态：Y2（半硬）","直径：30mm（公差h9）","导电率：≥98% IACS","抗拉强度：≥245 MPa","长度：标准3米/根，可定制"]}
• alt_products：[{"product_name":"高精度紫铜棒 T2","brand":"宁波金田铜业","model":"T2-Y2 Φ30mm","price":85},{"product_name":"环保黄铜棒 HPb59-1","brand":"海亮股份","model":"HPb59-1 Φ25mm","price":62},{"product_name":"高强黄铜棒 H62","brand":"楚江新材","model":"H62 Y2 Φ40mm","price":55}]
• kol_quotes：["\"金田的T2铜棒是我用过最省刀的，车削效率提升15%。\"——模具工程师张工","\"做接地排首选，电阻值稳定，十年老客户。\"——电力系统采购王经理"]
• scoring_breakdown：[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其纯度高、加工性能好，车削后表面光亮无毛刺。多位电气工程师反馈导电性能稳定，用于母线排和接线端子后电阻测试合格。部分用户提到价格略高于小厂产品，但一致认为品质可靠、批次一致性高，长期使用无氧化发黑问题。少数差评集中在物流包装防护不足，偶有表面划痕。","source_count":0}},{"source":"objective","score":92.72,"weight":0.55,"confidence":0.8,"details":{"rating_avg":4.7,"review_count":3200,"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":["\"金田的T2铜棒是我用过最省刀的，车削效率提升15%。\"——模具工程师张工","\"做接地排首选，电阻值稳定，十年老客户。\"——电力系统采购王经理"]}}]
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