Friction welding of dissimilar materials, Ni-base superalloy IN713LC and oil-quench plus tempered AISI 4140 steel, was investigated. Friction welding was carried out with various process variables such as friction pressure and time. The quality of welded joints was teste...
Adjust the setting for electrical current on your welder. A TIG welding machine has settings indicating the type of current and charge on the electrode. You typically weld 4140 steel with the direct current electrode negative, or DCEN, setting. Preheat 4140 steel. You generally need to preheat...
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ISO 15614-7 Specification and qualification of welding procedures for metallic materials-Welding procedure test—Part 7: Overlay welding SY/T 6623 Specification for CRA clad or lined steel pipe NB/T 47014 Welding procedure qualification for pressure equipment ISO 3834-2 Quality requirements for welding...
Hello, i'm a Boilermaker and i've been practicing TIG welding for about six months. I'm getting the hang of it but I just want to ask one question. What's … Stainless steel cracks I am trying to weld a stainless steel fitting to 5/8" stainless barstock that has been gundrilled ...
The processing parameters of the procedure shown in Fig.2include three main variables. These are: (1) the time span of the running window of the wavelet spectrograms, (2) the number of the self-feature extracted layers (Fig.2C, 1) and 3) the convolutions’ spatial size (Fig.2C, 1...
(7) Inserted subclauses within Clause 5.4, Welding Procedure Specification (WPS) that more clearly address essen- tial variables, test methods for WPS qualification, and test record forms (Figures 5.13 and 5.14); (8) Added Normative Annex C that covers bend testing criteria; (9) Added ...
Stanrard:ASTM GB EN DIN JIS;Place of Origin:henan;Model Number:1045 4140;Technical:Hot Rolled;Type:Carbon Steel Bar/Alloy Steel Bar;Length:1-12m/customized;Diameter:8mm~650mm;PRICE TERM:CIF CFR FOB EXW;Grade:Q235 42crmo4 SAE 1045 4140 4340 etc;Brand Name
In this research, the optimization technique for Tungsten inert gas process parameter is established by the Taguchi technique to explore the tensile strength of AISI 4140 stainless steel welded joint. Three different welding process parameters such as welding current, welding speed and filler diameter ...