The mechanical properties and metallographic structures of the friction welded drill rod and the hot upset forged drill rod pipe are compared.
本文叙述了这种钻杆的焊接性，并与采用热镦粗工艺生产的钻杆管体金相组织和机械性能进行了对比。
Rod guide, for 8mm round rods. Screwed onto a welded stud or countersunk screw. Lower version (200-3606.3) also as shown in the samples of application.
圆柱杆的连杆导槽，旋在焊接螺钉或埋头螺钉上。应用示例图中还画出了较低型（200-3606.3）
It can simulate a human expert to make analysis and design scheme mainly for four kinds of typical engineering components-pressure vessels, huge rotation constructions, pump-rod and welded structures.
它可以模仿人类专家，对四种典型工程构件-压力容器、大型旋转构件，螺杆泵及焊接结构进行分析和设计。
Both sealed surfaces of the seat and disc are overlaying welded with Fe base stainless steel welding rod so as to improve wear resistance and erosion resistance.
阀座、阀瓣密封面均由铁基铬镍不锈钢焊条堆焊而成，提高了耐磨性和抗冲蚀性。
The welding rod capable of forming pile-up welded graphite-steel metal consists of welding rod core of low-carbon steel and nickel or nickel-base alloy and coating outside the welding rod core.
本发明公开了一种可通过焊接形成石墨钢堆焊金属的焊条。它由低碳钢、镍或镍基合金制成的焊芯和压涂在焊芯外表面的焊条药皮构成；
The welding rod capable of forming pile-up welded graphite-steel metal consists of welding rod core of low-carbon steel and nickel or nickel-base alloy and coating outside the welding rod core.
本发明公开了一种可通过焊接形成石墨钢堆焊金属的焊条。它由低碳钢、镍或镍基合金制成的焊芯和压涂在焊芯外表面的焊条药皮构成；
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