五金標(biāo)準(zhǔn)件標(biāo)注

螺紋大徑：Major Diam 　中徑：Pitch diam 　底徑：Minor diam 　通止規(guī)：Go/No go gage 　機(jī)械性能：mechanical and physical properties 　unified thread 統(tǒng)一英制螺紋 　Lustrate hydrogen after galvanizing to avoid hydrogen embrittlement 鍍后去氫，防止氫脆 　Case carburization 表面滲碳 　With across flats 對邊 　With across corners 對角 　Radius of fillet:頭下圓角 　Transition thread length 過度螺紋 　Wrenching height 扳擰高度 　Rockwell 鉻氏硬度 　Vickers 維氏硬度 　Brinell 布氏硬度 　metallography microscope 金相顯微鏡 　Salt spray device 鹽霧試驗(yàn)箱 　Tensile testing machine 拉力試驗(yàn)機(jī) 　Cold forming 冷打 　Hot forging 紅鐓 　P C 8 = property class 8 機(jī)械性能8級 　原材料：Raw material 　球化退火：Annealing 　冷拔：Drawing 　冷鐓：Forming 　機(jī)加工：Machining 　螺紋成型：Roll Threading 　熱處理：heat-treatment 　表面處理：finish 　去氫：Lustrating hydrogen 　檢驗(yàn)：Inspection 　包裝：Packing 　入庫：Stocking 　車床：lathe 　磨制：grinding 　紅打：hot forging 　沖壓：punching