Tensile Testing Equipment Calibrated tensile testing equipment, ranging from 20 to 60 tons, is available for the destructive testing of welder test coupons or procedure qualifications. JANX will do all of the paperwork on the proper forms or on the client's form. The work can be done in house or on the road. Our machine shop can do the cutting and sizing of the straps even on exotic metals. An American Welding Society Certified Welding Inspector will supervise and document all work.