salam alekum

can you please help me
1-to to find leg size for fillete weld but for angle of 145 and 45 degree the t sections can be calculated and chek by welding gauges but this is not possible to check it by welding gauges and i dont know how to calculte the leg size and throught size as i know is 0.7 from leg size
2-is ther and good company for supply ndt equipments like vacuum pmps and box and x-ray acceoriess thikness meter, coating meter and trainning soft wear
3-welding slide rules nd mechanical engineering slide rules


eng. aldaoudi