手机：18930105661

　　产品型号：10B18、10B21、10B28、10B30、10B33、10B38

　　产品规格：φ5.5～42mm

　　执行标准： Q/XG 137

　　使用范围：适用于生产8.8～12.9级各种型号紧固件

　　应用领域：普通零部件紧固件用钢普通紧固件高强度紧固件建筑用紧固件用钢

　　产品介绍：10B21、10B28、10B30、10B33和10B38主要用于生产8.8～12.9级标准件，产品具有成分稳定、有害元素低、钢质纯净度高、脱碳层小，表面缺陷少、冷镦开裂率低、盘条原始硬度低、经热处理后强度高、淬透性好等优点，极具推广价值。 10B21获得2008年度冶金产品实物质量金杯奖。 10B21、10B28和10B33经省级鉴定为国内**水平。 10B21产品销往华东、华南众多**外资和内资标准件生产企业，并广泛应用于汽车标准件的生产，用户反映良好。

　　Products Grade: 10B18,10B21,10B28,10B30,10B33,10B38

　　Specifications: φ5.5～42mm

　　Applied Standard: Q/XG 137

　　Characteristics: The products are mainly used to produce fasteners of class 8.8 ~ 12.9.

　　Applications: Common partsFastener steelCommon fastenerHigh strength fastenerconstruction fastener steel

　　Use of Products: 10B21,10B28,10B30,10B33 and 10B38 are mainly used to produce fasteners of class 8.8 ~12.9, It has of uniform-chemical composition, low percentage of harmful elements, high purity, slight decarburization, good surface quality, good cold heading performance, low rigidity. They also has characteristics of high intensity and good hardenability after heat treatment. 10B21 gains the gold-cup of the metallurgical product actual quality in 2008. The three steels were identified the lead level of China. 10B21 has been sold the enterprises of the east and the south of China that product the standard parts. And the steel is widely used to product fastener for auto. They have a good reflection.

　　电话：021-57624322

　　手机：18930105661