i was wondering if anyone could help me identify the grade of this steel. spectrometer chemistry is shown below. could this be a2 tool steel?
C - .94
Mn - .62
Si - .23
Cr – 4.97
Mo - .97
V - 0.17
Cu - 0.13
Ni - 0.13
Al - 0.03
trace niobium (0.002)
I was wondering how often does API 5L require calculation of the sizing ratio? Is calculation of the sizing ratio the only requirement to verify the expansion? Since the sizing ratio is determined by taking measurements on the outer diameter, do the same rules apply for validation of...
This macro is of a HSLA steel. On the left 1/3 of this macro a smooth grey surface can be seen. On the right 2/3 the surface is patterned with with white, grey, and black. I've seen numerous macros where the entire surface looks either like the left, or the right, side of this photo. I...
A low alloy carbon steel plate was torch cut which resulted in cracking. This plate should of had a ferrite / pearlite structure and was not heat treated in any fashion. The plate passed ultrasound testing. What would cause this cracking to occur? The largest crack extended about 4 inches from...
I am in charge of setting up our facility to do HiC testing. We haven't done the test in over 7 years at my company and most of the equipment left over is unusable. Also many parts of the old procedure are no longer acceptable to our new safety team. I had a few questions and was wondering if...
