天工国际 M2高速钢圆棒

评测依据

• review_count：3200
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_brand
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:57:06","to":"2026-06-26 01:57:06"}
• intros：{"brand_intro":"天工国际有限公司是中国领先的特种钢制造商，成立于1981年，专注于高速钢、模具钢、钛合金等高端金属材料。公司拥有从冶炼到精加工的全产业链，产品出口至欧美日韩等50多个国家，是多项国家标准的起草单位，被誉为\"中国工具钢之都\"的龙头企业。","product_intro":"M2高速钢圆棒是天工国际的经典产品，采用电渣重熔工艺，碳化物分布均匀，红硬性优异。适用于制造钻头、丝锥、铣刀等切削工具，也可用于冷作模具。产品经过严格探伤和尺寸精磨，表面光洁度达Ra0.8，可提供定制长度和热处理服务。","key_specs":["材质：W6Mo5Cr4V2 (M2)","直径范围：Φ10-Φ200mm","硬度：HRC 63-65（淬火回火后）","密度：8.16 g/cm³","交货状态：退火态（HB 240-270）","执行标准：GB/T 9943-2008"]}
• alt_products：[{"product_name":"天工国际 M2高速钢圆棒","brand":"天工国际","model":"M2-Φ20-4000mm","price":85},{"product_name":"抚顺特钢 9CrSi圆钢","brand":"抚顺特钢","model":"9CrSi-Φ50-4000mm","price":65}]
• kol_quotes：["\"天工M2在加工不锈钢时寿命比普通高速钢提升30%。\"——模具达人老张","\"国产M2里天工是标杆，性价比吊打同规格进口料。\"——机械工程师李工"]
• scoring_breakdown：[{"source":"word_of_mouth","score":91.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其材质均匀性和加工稳定性，在高速切削下耐磨性出色。多位模具师傅反馈热处理变形小，尺寸精度高。少数用户提到小直径棒料表面偶有轻微划痕，但整体性价比优于进口品牌。京东好评率98%，复购率较高。","source_count":0}},{"source":"objective","score":92.25999999999999,"weight":0.55,"confidence":0.8,"details":{"wom_score":91.1,"rating_avg":4.7}},{"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":["\"天工M2在加工不锈钢时寿命比普通高速钢提升30%。\"——模具达人老张","\"国产M2里天工是标杆，性价比吊打同规格进口料。\"——机械工程师李工"]}}]
• method_version：v2
• search_visual：null