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ISO 898-1-2009
Mechanical properties of fasteners made of carbon steel and alloy steel -- Part 1: Bolts, screws and studs with specified property classes -- Coarse thread and fine pitch thread
适用范围：ISO 898-1:2009 specifies mechanical and physical properties of bolts, screws and studs made of carbon steel and alloy steel when tested at an ambient temperature range of 10 °C to 35 °C. Fasteners — the term used when bolts, screws and studs are considered all together — that conform to its requirements are evaluated at that ambient temperature range. Information is given on fasteners that do not retain the specified mechanical and physical properties at elevated temperatures and/or lower temperatures. ISO 898-1:2009 excludes certain fasteners that do not fulfil its tensile or torsional requirements because the geometry of their heads reduce the shear area in the head compared to the stress area in the thread. These include fasteners having a low head, with or without external driving feature, a low round or cylindrical head with internal driving feature or a countersunk head with internal driving feature (see 8.2). It is applicable to bolts, screws and studs made of carbon steel or alloy steel, having a triangular ISO metric screw thread according to ISO 68-1, with a coarse pitch thread M1,6 to M39, and fine pitch thread M8′1 to M39′3, with diameter/pitch combinations according to ISO 261 and ISO 262, having thread tolerances according to ISO 965-1, ISO 965-2 and ISO 965-4. It is not applicable to set screws and similar threaded fasteners not under tensile stresses (see ISO 898-5). It does not specify requirements for such properties as weldability, corrosion resistance, resistance to shear stress, torque/clamp force performance, or fatigue resistance.
发布日期： 2009-04-01
实施日期： 2009-04-01
中标分类号： J13 - 机械 - 紧固件
ICS分类号： 21.060.10 - 机械系统和通用部件 - 螺栓、螺钉、螺柱
标准组织： ISO - 国际标准化组织标准
全文来源： WF
中文关键词： 合金钢 螺栓 断裂荷载 布氏硬度 碳素钢 碳化 渗碳 凸头螺钉 化学成分 紧配合螺纹 定义 交货条件 命名体制 名称与符号 断裂伸长 外螺纹紧固件 紧固件 硬度 硬度测量 热处理 六角头螺钉 六角内孔 计数检查 ISO 螺纹 左螺纹 作标记 材料 机械性能 材料的机械性能 标准螺纹 有缺口冲击试验 部分脱碳 周围脱碳 物理性能 弹性极限应力 性能 洛氏(硬度) 螺钉 规范 钢 强度等级 材料强度 螺柱 表面 拉伸强度 拉伸测试 试验力 测试 测试电压 螺纹 维氏硬度 屈服强度
英文关键词： HB
语种： 汉语
页数： 62
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