Material Group : Group A – Aluminum Group A – Stainless Steel Group A – Steel Group B – Aluminum Bronze Group B – Brass Group B – Copper Group B – Cupro-Nickel Group B – Inconel Group B – Magnesium Group B – Monel Group B – Nickel Group B – Phosphor-Bronze Group B – Titanium
Specification : Group A – API Group A – ASMEV Group A – ASTM Group A – AWS Group B – MIL-453 Group B – NAVSHIPS
Thickness to be radiographed : Group A – #5 through #50 Group A – #52 through #100 Group B – .06 in through 2.5 in(1.52 mm through 63.5 mm) Group B – 2.6 in through 5.0 in(66.04 mmthrough 12.7 cm)