左螺纹left hand thread 右螺纹 right hand thread 管螺纹 pipe thread
锥管螺纹 taper pipe thread 直管螺纹straight pipe thread 梯形螺纹 trapezoid thread 螺距pitch of thread 粗牙螺纹coarse thread 细牙螺纹 fine thread 特细牙螺纹extra fine thread 通长螺纹full thread 惠氏螺纹whitworth thread 公制螺纹 metric ibread
美国标准锥管螺纹 American standard taper pipe thread (NPT) 螺孔 tap
3 材料、型钢及填料
3.1 金属材料
3.1.1 黑色金属 Ferrous Metal
碳素钢 carbon steel (CS) 低碳钢 low-carbon steel 中碳钢 medium-carbon steel 高碳钢 high-carbon steel 普通碳素钢 general carbon steel 优质碳素钢 high-quality carbon steel
普通低合金结构钢 general structure low-alloy steel 合金结构钢 structural alloy steel 合金钢 alloy steel
低合金钢 low alloy steel 中合金钢 medium alloy steel 高合金钢 high alloy steel 耐热钢 heat resisting steel 高强度钢 high strength steel 复合钢 clad steel 工具钢 tool steel 弹簧钢 spring steel 钼钢 molybdenum steel 镍钢 nickel steel 铬钢 chromium steel
铬钼钢 chrome-molybdenum steel
铬镍钢 chromium-nickel steel,chrome-nickel steel 不锈钢 stainless steel (S.S.)
奥氏体不锈钢 Austenitic stainless steel 马氏体不锈钢 Martensitic stainless steel 司特来合金（钨铬钴台金） Stellite 耐蚀耐热镍基合金 Hastelloy 铬镍铁合金 inconel 耐热铬镍铁合金 incoloy 20合金 20 alloy
平炉钢（马丁钢） Martin steel 镇静钢 killed steel 半镇静钢 semi-killed steel
沸腾钢 rimmed steel; rimming steel; open-steel 锻钢 forged steel 铸钢 cast steel 铸铁 cast iron (C.I.) 灰铸铁 grey cast iron 可锻铸铁 malleable iron (MI)
球墨铸铁 nodular cast iron; nodular graphite iron 生铁 pig iron
熟铁，锻铁 wrought iron 铸件 casting
高硅铸铁 high silicon cast iron
3.1.2 镀层及制造方法
渗铬钢，镀铬钢 chromized steel 镀铬的 chromium-plated, chrome-plated 镀层 plating 锻造，型钢 swage 锻造的，锻造 forging 轧制 rolling 热轧 hot rolling 冷轧 cold rolling 挤压 extruding 冷加工 cold working 热加工 hot working 拔制 drawing
3.1.3 有色金属Non-ferrous Metal
铝 aluminum 铜，紫铜 copper 黄铜 brass 青铜 bronze
铝青铜 aluminum bronze 磷青铜 phosphor bronze 铝镁合金 aluminum magnesium 锰青铜 manganese bronze
蒙乃尔（注：镍及铜合金） Monel 镍铜台金 nickel copper alloy 非铁合金 nonferrous alloy 钛 titanium 铅 lead 硬铅 hard lead
3.1.4 材料性能
极限强度 ultimate strength 抗拉强度 tensile strength 屈服极限 yield limit 屈服点 yield point
延伸率 percentage elongation 抗压强度 compressive strength 抗弯强度 bending strength 弹性极限 elastic limit 冲击值 impact value 疲劳极限 fatigue limit 蠕变极限 creep limit 持久极限 endurance limit 布氏硬度 Brinell hardness 洛氏硬度 Rockwell hardness
维氏硬度 Vickers diamond hardness, diamond penetrator hardness 蠕变断裂强度 creep rupture strength 断面收缩率 reduction of area 韧性 toughess 脆性 brittleness 延性 ductility
冷脆 cold shortness 冷流 cold flow
3.2 非金属材料 Non-metallic Material
塑料 plastic
丙烯腈—丁二烯—苯乙烯 acrylonitrile-butadiene-styrene (ABS) 聚乙烯 polyethylene (PE)
聚氯乙烯 polyvinyl chloride (PVC) 苯乙烯橡胶 styrene-rubber (SR) 聚丁烯 polybutylene (PB) 聚丙烯 polypropylene (PP) 聚苯乙烯 polystyrene (PS)
氯化聚醚 chlorinated polyether (CPE) 聚酰胺 polyamide (PA) 聚碳酸酯 polycarbonate (PC)
聚甲基丙烯酸甲酯 polymethyl methacrylate (PMMA) 醋酸丁酸纤维素cellulose acetate butyrate (CAB) 氯化聚氯乙烯 chlorinated polyvinyl chloride (CPVC) 聚偏二氟乙烯 polyvinylidene fluoride (PVDF) 缩醛塑料 acetal plastic 尼龙塑料 nylon plastic 聚烯烃 polyolefin (PO)
石墨酚醛塑料 graphite phenolic plastics 聚四氟乙烯 polytetrafluoroethylene (PTFE)
纤维增强热塑性塑料 fiber reinforced thermoplastics 热塑性塑料 thermoplastic
热固性塑料 thermosetting plastics 胶粘剂 adhesive
溶剂胶接剂 solvent cement