Gwynn Non-Destructive Testing Services
ANST Level I and Assistants
Becoming certified or learning about Nondestructive testing can be achieved in two ways. Enrolling in a school that provides a certificate or degree or getting hired on with a company with no knowledge of the industry and learning on the job. Typically 40hrs of radiation safety is the first step/certificate that is needed to get started. Once the Assistant has had some time in the industry the company will provide them with classroom training either in house, computer based or sending them to a course provided by a known 3rd party. When the Assistants meets the required OJT hours and classroom time. They will test with the company they are with by completing a specific, general and practical exams. When this is completed, they are now a Level II technician.
ASTM
ASTM International is a globally recognized leader in the development and delivery of voluntary consensus standards. Over 12000 ASTM standards are used around the world to improve product quality, enhance health and safety, strengthen market access and trade, and build consumer confidence. International standards development is driven by the contributions of the members: more than 30,000 of the world’s top technical experts and business professionals representing 140 countries. Working in an open and transparent process and using ASTM’s advanced IT infrastructure, members create the test methods, specifications, classifications, guides and practices that support industries and governments worldwide.
API 570
The American Petroleum Institute (API) 570 is a in-service inspection code. Designed for the natural gas, chemical and oil refineries piping systems to prevent failures before they happen. This code covers inspection, rating, repair, and alteration procedures for applicable piping systems. This code applies to metallic and fiberglass-reinforced plastic piping systems, also pressure-relieving devices associated with the systems. Inspectors are tasked with ensuring compliance with this code is followed. Integrity Testlabs has in-house and contract API 570’s to cover any needs that fall under the API 570.
Gwynn, VA Visual Testing (VT)
Probably the most important inspection technique and one we are gifted with is visual testing with our eyes. This is a very common, low cost, quick and effective way to inspect welding, equipment, and coatings. Visual testing is the most important tool for a Certified Welding Inspector (CWI), It’s a certification you can acquire through ASNT or with your company by ASNT TC 1A. Defects commonly found using visual inspection is excessive reinforcement, underfill, undercut, porosity, cold lap. If able to access the inside or root of the weld its possible to see lack of fusion, or incomplete penetration.
Gwynn, VA Magnetic Particle Testing (MT)
If you’re looking for a very mobile, reliable and cost-effective method at finding surface and subsurface discontinuities. MT testing is the way to go on your ferrous material. When the magnetic field is disrupted by a break in the north and south poles the fine iron particles are attracted to the break in the magnetic field. Dry or wet inspections can be very useful with dry being the advantage when parts are to hot to use the wet method. ITL has many certified MT technicians to perform inspections on your welds or parts.
Traditional Film, Computed Radiography and Digital radiography in Gwynn, VA
Integrity Testlabs currently utilizes traditional film and computed radiography (CR) film. Traditional film is still loaded under safe lights and developed using a 5-step process in the back our darkrooms. Once dry, the filmed in viewed under a high intensity viewer looking for defects. Traditional film comes in several different sizes and leaves the client with a physical piece of film to view for years to come. Computer Radiography or CR uses plates that are phosphor. When these plates are exposed to radiation, the plates emit a blue light that is interpreted by the film processor and then transmitted into an image and viewed on the computer screen. This process is efficient and plates can be used multiple times, no chemicals are needed to process the film. Digital radiography is newer to the industrial and keeps gaining popularity each year. Limited in film size and mobility. The biggest advantage is shorter x-ray times, less radiation, wire or wireless capabilities, and instant images that are displayed on the computer screen.
