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i� A 53/A 53M — 06a 0.04 in. t=specified well thlClmass 'MAx 1 DEPTH DEPTH 10%t,t 15% —\ I WITH MIN OF 0.012 10.002 in. it2�t [0.3* 0.05 mm] O1LESS LENGTH B (BUTTRESS) NOTCH FOR EDDY CURRENT-1.5 111.138mml MAX Total Lm4th 60° FOR DIVERTED FLUX �MAX--/ AND ULTRASONIC - 2 in. 150 n9ril MAX at Fun Death I. t NIO NOTCH Rt LESS VIO NOTCH r(3.2 mml 2 %t OLESS AREA OF EACH SIDE . 0.006 in 2[3.9 mmJ MAX P (PARALLEL SIDED) NOTCH DRILLED HOLE FIG. 1 Calibration Standards TABLE 3 Acceptance Limits imperfections or imperfections that extend an appreciable Type Notch Size of Hole Acceptance distance into the wall without complete penetration. Limit 9.22.6 A purchaser interested in ascertaining the nature in. mm Signal,% N10,VIO '/. 3.2 100 (type,size, location, and orientation) Of imperfections that are B P 80 capable of being detected in the specific application of these examinations is directed to discuss this with the manufacturer of the tubular product. 9.2.3 For ultrasonic testing, the calibration reference 9.2.2.1 The calibration standards defined in 92.3 through notches shall be at the option of the manufacturer,and shall be 92.5 are convenient standards for calibration of nondestructive any one of the three common notch shapes shown in Practice testing equipment.The dimensions of such standards are not to E 213. The depth of notch shall not exceed 12.5% of the be construed as the minimum sizes of imperfections detectable specified wall thickness of the pipe or 0.004 in. [0.1 mm], by such equipment. whichever is the greater. 9.2.2.2 The ultrasonic testing referred to in this specification 9.2.4 For eddy current testing, the calibration pipe shall is capable of detecting the presence and location of significant contain, at the option of the manufacturer, any one of the longitudinally or circumferentially oriented imperfections; following calibration standards to establish a minimum sensi- however, different techniques Heed to be employed for the tivity level for rejection. detection of differently oriented imperfections. Ultrasonic test- 9.2.4.1 Drilled Hole—The calibration pipe shall contain ing is not necessarily capable of detecting short, deep imper- three holes spaced 120° apart or four holes spaced 90° apart, fections. sufficiently separated longitudinally to ensure separately dis- 9.2.2.3 The eddy current examination referenced in this tinguishable responses.The holes shall be drilled radially and specification has the capability of detecting significant discon- completely through the pipe wall, care being taken to avoid tinuities, especially of the short abrupt type. distortion of the pipe while drilling. Dependent upon the 9.2.2.4 The flux leakage examination referred to in this nominal pipe size, the calibration pipe shall contain the specification is capable of detecting the presence and location following hole: of significant longitudinally or transversely oriented disconti- nuities. The provisions of this specification only require s,h SIS 0.039 in.[1.0 mml longitudinal calibration for flux leakage. Different techniques ,h A 1w >15 s 32 0.055 in.11.4 mml need to be employed for the detection of differently oriented >I i,2 >32,50 0.071 in.11.8 mml >2 s 5 >50 s 125 0.087 in.12.2 mml imperfections_ '5 >125 0.106 in.12.7 mml 9.2.25 The hydrostatic test referred to in 8.2 has the capability of finding imperfections of a size permitting the test 9.2.4.2 Transverse Tangential Notch—Using a round tool or fluid to leak through the tube wall and may be either visually file with a 1/4 in. [6 mm] diameter, a notch shall be filed or seen or detected by a loss of pressure.Hydrostatic testing is not milled tangential to the surface and transverse to the longitu- necessarily capable of detecting very tight through-the-wall dinal axis of the pipe. The notch shall have a depth not 5