EN 12680-3-2003 锻造.超声波检验.第3部分球墨铸铁铸

锻造.超声波检验

Founding—Ultrasonic examination—Part 3: Spheroidal graphite cast iron castings

铸件－超声波探伤－第三部分：球墨铸铁件 5.6 Examination report 探伤报告

The examination report shall contain at least the following information: 探伤报告中应包含以下内容：

reference to this European Standard (EN 12680-3); 执行标准：EN12680-3

characteristic data of the examined casting; 所探铸件的特性数据（名称、图号、材质等）

extent of examination; 探伤范围

type of examination equipment used; 所用探伤设备的型号

probes used 所用探针

examination technique with reference to the examined area; 所探区域的探伤工艺方法

all data necessary for the sensitivity setting; 灵敏度设置的所有数据

details of ultrasonic examination suitability; 超探适用性的详细资料

information on all characteristic features of discontinuities to be recorded (e.g. backwall echo reduction, position and dimension in through-wall direction, length, area and flat-bottomed hole diameter) and the description of their position (sketch or photograph);

所记录不连续区域的特性信息（如，底波复位，位置和壁厚方向的尺寸，长度，面积和平底孔的直径等）以及其位置描述（草图或图片）；

date of the examination and name of the responsible person. 探伤日期和探伤人员签字

Table 1 — Maximum permissible indicated dimensions of discontinuities — volumetric reflectors

Severity level

Feature Unit

1 2 3 4

Wall thickness,

in the examined area Percentage of wall

thickness

Largest discontinuity

a,b

in the rim zone Largest discontinuity in the core zone Total area of discontinuities as percentage of examined surface

mm % mmmm

2

5

≥50

— — C C C

＜50 50 to 200 20

＞200 ＜50 50 to 200 25

＞200 ＜50 50 to 200

30

＞200 ＜50

35

— — 30

— — 30

— — 40

600 10000 10

1000 15000 15

1000 15000 15

1000 15000 15

2000 20000 20

2000 30000 20

— 20000 15

— — 20

2

%

a For dross see Table 2. b Rim zone, see Figure 1.

c No indications exceeding the limits given in Table 4.