Table 2-1. Basic Quality Factors for Longitudinal Weld Joints in Pipes, Tubes, and Fittings Ej Spec. No.aClass (or Type)DescriptionEj (2)Appendix A Notes Carbon Steel … API 5L … Seamless pipe 1.00 … … Electric resistance welded pipe 0.85 … … Electric fusion welded pipe, double butt...
Fig. 1.Flat heat pipe (A) 3D design, (B) heat pipe concept. Sign in to download full-size image Fig. 2.FHP industrial testing at different positions: (A) At 25° inclination angle from vertical, (B) at 12.5° inclination angle from vertical, (C) positioning the FHP above the hot ...
Full size table Effects of PF and GB on Bauschinger effect and strain hardening in line-pipe steels Room-temperature engineering tensile stress-strain curves of the XH and XL specimens are shown in Fig. 3(a), and the measured tensile properties are described inside the figure. The XH and XL...
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose Section Shape Round Product Name Seamless Steel Pipe Standards ASTM/ASME/DIN/En Payment T/T, L...
Table 1 - Chemical composition and physical properties of steels 1 2 3 4 5 6 7 8 9 Grade of pipe Chemical Composition,%,max Physical Properties,Min. C Mn P S Si Yield Stressa Mpa UTSb Mpa Elongationc % A 0.20 0.90 0.04 0.020 0.04% Max. or 0.135% to 0.35% 207 331 9 266 ...
With the control parameters of the wall thickness of the ball table and the thickness of the pressure plate of the ball table, four universal wrapped assembled joint models were designed for the research of stress performance via static loading test. The
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Table 2Material properties of steel tubes fu为钢材极限强度; f y 为钢材屈服强度; E s 为钢材弹性模量。 1.3加载及测量方案 采用500 t 液压试验机对试件进行轴压加载,加载装置见图 2。试验采用分级加载方案: 试验开始前需要反复预压对中。1000 kN 之前,加载速率为1.5 kN/s,持荷时间为 1 min。在 1000 ...
Two types of metallic welding (butt welding and socket welding) can be used to join straight lengths of steel pipe, pipe to fitting, or fitting to fitting. Both methods have their advantages and disadvantages, which are highlighted in the following table: Type of WeldCharacteristicsDisadvantages ...
Upon metallographic examination of the internal surface of the pipe it was found that the pipe was seriously corroded. The corrosion was of uniform type. A chemical analysis of the water showed the leaching of iron from the pipe. Conclusion ...