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      Our service
      
                                        
      Centre Testing International Co., Ltd. (CTI) is the pioneer and leader in the TIC Industry which provides one-stop solutions on testing, inspection, certification, calibration, audit, training & technical services.
      


       
      

      
                                        
                                    
      
                                      
                            
      
                                                        
      
                                
                                
                                    
      
                                    
      
                                        
      By Industry
      
                                        
      Our service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.
      

      
                                        
                                    
      
                                      
                            
      
                                                        
      
                                
                                
                                    
      
                                    
      
                                        
      Specialty
      
                                        
      Comprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.
      

      
                                        
                                    
      
                                      
                            
      
                                                
      
                
      
            
      
        
      
        
        
        
    
      

      


      
                    
      
        
      
            
      
                
      AUTHORITY & TRUST 
       QUALITY & VALUE
      
                                            
      
        
      
            
      











    
      
        
    
      
    
    
      
        
      
            
      
                
      
                    
      Radiographic  Testing
      
                    
      
                        
      
                            
      
                                
                            
      
                        
      
                    
      
                    
      
                        
      During the production process of castings and welded parts, due to manufacturing process or operating experience and other reasons, hazardous defects, such as porosity, shrinkage, slag, cracks in the castings, and incomplete penetration, lack of fusion, cracks, slag in the welds, usually need to be detected by appropriate NDT methods and repaired in time. CTI has advanced radiographic testing equipment, which can provide customers with high-quality RT services, reduce losses and save costs for customers.
      
                    
      
                    
                
      
                
      
                    
      Radiographic  Testing
      
                
      
            
      
                    
      
        
      
            
      
                
      
                    
      ?    Service Background
      


      1.   Need to accurately quantify, locate and characterize internal defects;
      


      2.   Need to understand the structure and dimension of the products;
      


      3.   Need to test regularly the products in service
      


       ?    Service Content
      


      1.   Applicable test standards
      


      
	
		
      
			
			
      GB
      
			      		
			
			
      GB/T 3323.1 Non-destructive testing of welds - Radiographic testing - Part 1: X- and gamma-ray techniques with film
      
			      		
		
      
		
      
			
			
      GB/T 3323.2 Non-destructive testing of welds - Radiographic testing - Part 2: X- and gamma-ray techniques with digital detectors
      
			      		
		
      
		
      
			
			
      GB/T 12605 Non-destructive testing-Test methods for radiographic testing of circumferential fusion-welded butt joints in metallic pipes and tubes
      
			      		
		
      
		
      
			
			
      GB/T 5677 Radiographic testing for steel castings 
      
			      		
		
      
		
      
			
			
      GB/T 29070 Non-destructive testing—Industrial computed tomography (CT) testing—General requirements
      
			      		
		
      
		
      
			
			
      GB/T 26642 Non-destructive testing-Test method for computed radiography of metallic materials
      
			      		
		
      
		
      
			
			
      ISO 
      
			      		
			
			
      ISO 17636-1 Non-destructive testing of welds - Radiographic testing - Part 1: X- and gamma-ray techniques with film
      
			      		
		
      
		
      
			
			
      ISO 17636-2 Non-destructive testing of welds - Radiographic testing - Part 2: X- and gamma-ray techniques with digital detectors
      
			      		
		
      
		
      
			
			
      ASTM
      
			      		
			
			
      ASTM E94/E94M Standard Guide for Radiographic Examination Using Industrial Radiographic Film
      
			      		
		
      
		
      
			
			
      ASTM E1416 Standard Practice for Radioscopic Examination of Weldments
      
			      		
		
      
		
      
			
			
      ASTM E1030/E1030M Standard Practice for Radiographic Examination of Metallic Castings
      
			      		
		
      
		
      
			
			
      ASTM E2736 Standard Guide for Digital Detector Array Radiography 
      
			      		
		
      
		
      
			
			
      ASTM E1441 Standard Guide for Computed Tomography (CT) 
      
			      		
		
      
		
      
			
			
      ASTM E2007 Standard Guide for Computed Radiography
      
			      		
		
      
		
      
			
			
      AWS
      
			      		
			
			
      AWS D1.1/D1.1M Structural Welding Code—Steel 
      
			      		
		
      
	      

      


      


      2.   Applicable Product Range
      


      It is suitable for the detection of the volume defects of metal materials, non-metal materials, composite materials and weld.
      


      3.   Our Strengths
      


      1. CTI has various types of portable X-ray machines and gamma sources, which can provide customers with on-site testing services;
      


      2. CTI has set up exposure rooms in multiple areas to facilitate receiving samples from customers for testing;
      


      3. CTI NDT personnel are certified to work, with rich on-site testing experience and good coordination capabilities.
      


      


       
      
                
      
            
      
        
      
                
    
      
    
	





      
    

      

      


      
    
      
        
      
        
      
            
        
                
                
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