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MTR in welding?
Do you mean your beads are concave and you would like them convex in appearance while autogenous welding is being done? Without knowing what metal you are welding or seeing the technique used I can only offer generalizations. It could be a lack of sufficient sulfur or improper travel speed. Without more info I'm only guessing.Which isn't good when it comes to welding.
it means welding inspector exam details
It's when the different metals parts haven't melted together properly
the top reinforcement of beam (compression face of beam). it is provided to hold the stirrups in place.
The meaning of 6G position in Welding is mean that the pipe or test piece inclined to 45 degree and not rotated during welding process .
Contradiction in terms. If its "non-fusion" then it isn't welding. You probably mean brazing.
The absence of any reinforcement following a behavior. Usually extinction occurs in situations where positive reinforcement was formerly applied.
R10 reinforcement, at every 300mm
The main causes of accidents using welding equipment is lack of care during safety procedures. It is important when dealing with dangerous equipment to also follow the correct safety steps.
reinforcement is video
If by gas welding you mean-oxyacetylene welding. The difference is just that arc welding requires a darker shade of lens. When oxyfuel gas welding (OFW) usually a shade 5 lens is recommended. When arc welding, a minimum of shade 10 lens should be used (actually shade should be determined by amount of current used).