Recently failed a weld test cert for welding being oversized by .002" on one leg of the weld.
The material is a nickel based alloy .030" thick T joint. Spec is AWS D17.1, tested by metallographic.
I had built some weld gauges because I couldn't find any the proper size. The spec calls for 1.5T min. and 2T max leaving me a .015" to play with.
The way it was measured is a cross section is taken and put under 25X mag then what looks like a computer program was use that makes a right angle triangle from the base metal to the lowest point of the weld throat.
I tried to cut a section out of a practice piece and use it on an optical comparator but its hard to perfectly guess where the place that the weld test is sent to is going to put that triangle.
Any help would be very much welcomed.
The material is a nickel based alloy .030" thick T joint. Spec is AWS D17.1, tested by metallographic.
I had built some weld gauges because I couldn't find any the proper size. The spec calls for 1.5T min. and 2T max leaving me a .015" to play with.
The way it was measured is a cross section is taken and put under 25X mag then what looks like a computer program was use that makes a right angle triangle from the base metal to the lowest point of the weld throat.
I tried to cut a section out of a practice piece and use it on an optical comparator but its hard to perfectly guess where the place that the weld test is sent to is going to put that triangle.
Any help would be very much welcomed.