JB/T 7524-1994 Ultrasonic flaw detection of welds in building steel structures

This standard specifies the main method and quality grade assessment of ultrasonic flaw detection of welds in building steel structures. This standard applies to ultrasonic flaw detection of butt welds in building steel structures with a thickness of 8 to 203 mm. This standard does not apply to ultrasonic flaw detection of butt welds in T-shaped, Y-shaped or K-shaped steel pipes. JB/T 7524-1994 Ultrasonic flaw detection of welds in building steel structures JB/T7524-1994 Standard download decompression password: www.bzxz.net

People's Republic of China Press Machinery Industry Standard JB/T75241994
1994-10-254
1995-10-01
G R2 0P uDEe/
8~203mm
GB11345
JB1152
ZBJ04001
ZBY230
ZBY232
12.7~25.4mm
ZBY230
15.9~20.6mm
2~5MHz
CSK-IA
19 94-10-25 sheets
ZBY232
8~~30mm
JB/T75241994
1995-10-01
50%~70%
JB/T75241994
Butt weld
Fillet weld
Upper part T/4
Middle part T/2
Lower part T/4
6. 4.1. 2
6. 4. 1. 4
JB/T75241994
1□1G□6□89□12□14□15□
>19~38
>38~64
>64~89
>89~114
> 114~127
>127~165
>165~178
70°AB
>178~203
40 50 60 7
6070°
JB/T75241994
ZBJ04001
2a CSK-IA
9□12
40~60°
CSK-IA
ZBJ04001
50 %~75%
CSK-IA
2aCSK-IA
JB/T75241994
1:1 1:2 □ 2:1
口=10°
□4□
Tilt and shift
9.4.2.1Benefitwww.bzxz.net
50%75%)
JB/T75241994
口19038
10.2.4 D
JB/T75241994
□3□
51mm2c
□4□
127254
254381
口102204
JB/T75241994
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