guided automatic welding导向自动焊接 guided-bend test for butt welded joint对接接头靠模弯曲试验 gun welding machine手提式点焊机; 点焊枪 H hafnium welding wire铪焊丝 hammer weld(ing)锻焊; 锻接; 锤焊 hammer welded pipe锻焊管 hammered resistance welding锤锻电阻焊; 电阻加热锻焊 hand welding holder手焊...
The fillet weld symbol is always drawn with the upright leg on the left. For the joint in Fig. 7.1(d), the need to show two symbols, one on each side of a vertical member, can be avoided by the use of more than one arrow line. This practice is not specifically authorised in ISO...
EN 485-1 Technical conditions for inspection and deliveryEN 485-2 Mechanical Properties EN 485-3 Tolerances for HOT Rolled MaterialEN 485-4 Tolerances for COLD Rolled materialEN 515 Temper Designations EN 573-1 Numerical alloy designation systemEN 573-2 Chemical symbol designation systemEN 573-3 ...
(Δmax)variances of each response. It is common practice to set the distinguishing or identification coefficient, denoted by the symbol ζ and specified in the range [0, 1], at 0.5 to provide equal weights to each parameter in the model. A composite grey relational grade (GRG) is then ...
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The symbols and material numbers of the steel grades are indicated in table 1. The symbol or the material number for the steel grade shall be inserted in the standard designation for the products in conformity with the examples given in the dimensional standards. ...
practice weld试验焊缝 precautions before welding焊接前的预防措施 precision laser welding machine精密激光焊接机 precision welding machine精密焊机 precision welding精密焊接 prefabricated welding mould预制焊模 preheated electric arc welding预热电弧焊接 preparation of base metal for welding焊接基体金属的处理 ...