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WELDABILITY TESTING Notes: 1. The specimen end that is immersed in the water cooling bath is always opposite to the end containing the test weld being cooled. 2. Water depth (D) should be 2-1/2 in (63 mm). 3—Cooling Bath Arrangement for CTS Test 57 CLAUSE 10. 5—Typical Location of Microhardness Impressions 58 CLAUSE 10. WELDABILITY TESTING CTS TEST RESULTS Company Name _____________________________________________________________ Date _______________________ Job/Test No. ________________________________________________________________ Sheet _________ of __________ Description of Investigation ____________________________________________________________________________________ Base Metal Specification_______________________________ Thickness ___________________________________________ Base Metal Heat Treatment_____________________________ Heat No.

2 When a fracture toughness test is required, the preparation of the weld, the test specimen, and the test methods shall conform to this standard. 3 This standard is applicable to the following when specified: ASTM E 604, Standard Test Method for Dynamic Tear Testing of Metallic Materials (1) For qualification of materials, welding procedures, and welding personnel where a specified level of fracture toughness is required; ASTM E 1290, Standard Test Method for Crack-Tip Opening Displacement (CTOD) Fracture Toughness Measurement (2) For information, specification of acceptance and manufacturing quality control where a minimum criterion for fracture toughness is requested.

5. 3 Minimum plate thickness is 1/4 in (6 mm). 9 Report. 6. 4 The mating surfaces of the plates are to be ground to provide intimate contact between these parts. 10 Commentary. A series of CTS tests may be designed to evaluate the relationships between test parameters such as TSN, heat input, filler metal, or process. Commonly, all test parameters but one are held constant. 5 The surfaces of the top plate on which test welds are to be deposited are to be machined. 6 Rolling direction shall be identified if possible.

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