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7,7~8,03 g/cm³

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What Welding electrode can be used to weld A 36steel to AISI 4140 steel?

I have experience when my team welded "JIG Ladle" A36 to AISI 4140, we used electrode E7018 with SMAW process. The important thing for this welding's prehating during welding min. 180 degree celcius and did peening the weld beads to minimize residual stresses. After welding covered by blanket for slow cooling. Regards, Asep S (asep93st@yahoo.com)


What is flux density?

Something that which produces a magnetic fieldThe magnetic field that surrounds a magnet is made up of magnetic flux (symbol, the Greek letter 'phi'), usually represented as lines in field diagrams. The SI unit for measuring magnetic flux is the weber (pronounced 'vay-ber'). The intensity of this flux (the closeness of the lines in diagrams) is called the flux density (symbol: B). Flux density is greatest in the areas nearest a magnet's poles. Flux Density is defined as 'flux per unit area', and is measured in webers per square metre which, in SI, is given the special name, the 'tesla'.


A a tensile rod in a mechanism is made from aisi 4140 oqt 1300 steel it has a rectangular cross section 30mm 20mm and a length of 700mm it is to be used in the following manner?

A tensile rod in a mechanism is made from AISI 4140 OQT 1300 steel. It has a rectangular cross section , 30mm*20mm & a length of 700mm.It is to be


Why is AI being put into robots?

The vast majority of robots use no AI. In general AI in robots is still limited to mostly robotics research.


What is the use of arrays over pointers?

Arrays can be regarded as constant pointers. Example: int *pi, ai[5]; pi= ai; /* okay */ pi[0]= ai[0]; /* okay */ ai[0]= pi[0]; /* okay */ pi= (int *)malloc (10*sizeof (int)); /* okay */ ai= pi; /* NOT okay */ ai= (int *)malloc (10*sizeof (int)); /* NOT okay */