1、c EUROPEAN STANDARD NORME EUROPiENNE EUROPAISCHE NORM EN 2832:1993 February 1993 UDC 669.14:621.793/794:620.172:629.7 Descriptors: Aicrst industry, steels, hydrogen embrittlement. tests, test specimens English version Aerospace series - Hydrogen embrittlement of steels - Notched specimen test %rie a
2、rospatiale - Fragilisation des aciers .par lhydx - reference numbers and types of the test specimens; - nature of the coating; - thickness of the coating; - test result. L CEN ENJ2832 93 m 3404589 0042666 939 Type 1 2 Page 5 EN 2832:1993 R, R:, E G D nom. tol. min. max. nom. tol. nom. toi. nom. tol.
3、 6,40 9,07 14 + 1 3,18 6,35 0,23 17,5 + 1 0,13 4,52 6,35 u f 0,013 . . -_ * 0803 - * 0,08 60* 30 /R* i 1) The value is not specified however, the diameter of the thread root shall be greater than E. 2) Other head types compatibles with the tensile test may be used. 3) The notch (side and root) shall have the same roughness. Figure 1 Table 1
