S9074-AR-GIB-010/278
TABLE XIX. RT acceptance crlterla for nonferrous castings. 1/ a) Nickel base alloys. b) Copper Nickel c) Aluminum-bronze d) Nickel-aluminum-bronze. e) Manganese-bronze
Severity level
ASTM E 186 (except as noted)
Criticality level
ASTM E 272
Shrinkage
Dross
Porosity
Inclusions
Chaplets
Reference radiograph
Reference radiograph
Thick- ness
Reference radiograph
Reference radiograph
Level definitions Type
Source
Reference radiograph
Source
Level
Source
Source ASTM Standard
Areas requiring 75 percent and > RT coverage ( see 12.5.3) Areas requiring 50 percent min. RT coverage ( see 12.5.3)
None Acceptable
Feathery Spongy Linear
X-ray Gamma Gamma
Cd 2 Cd 2 Ca 2 Cd 3 Cd 3 Ca 3
1
X-ray
X-ray
A 3
Ba 3
Bb 1
X-ray
1 Inch and less
Feathery Spongy Linear
X-ray Gamma Gamma
2
A 4
X-ray
X-ray
E 186
EA 4
Bb 2
Ba 4
X-ray
Areas not requiring RT but inadvertently radiographed or radiographed for information purposes
Feathery Spongy Linear
3
Cd 4 Cd 4 Ca 4
X-ray Gamma Gamma
A 5
X-ray
Bb 3
X-ray
X-ray
Ba 5
E 186
EA 5
Feathery Spongy Linear Feathery Spongy Linear
Cd 3 Cd 3 Ca 3 Cd 4 Cd 4 Ca 4
None Acceptable
X-ray Gamma Gamma X-ray Gamma Gamma
A 3
Gamma
1
Gamma
Ba 3
Same as level 1
Gamma
Bb 2
Over 1 inch
Same as level 2 as defined above
2
A 4
Gamma
Ba 4
E 186
EA 4
Gamma
Gamma
Bb 3
Feathery Spongy Linear
Same as level 3 as defined above
Cd 5 Cd 5 Ca 5
X-ray Gamma Gamma
3
Gamma
Ba 5
Bb 4
Gamma
E 186
A 5
Gamma
EA 5
Original 116
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