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  Quality Assurance & Inspection Test Plan
 
 
SR.NO
STAGE
CHARACTERISTICS
TYPE/CHECK
ACCEPTANCE NORMS
RESPONSIBILITY
REMARK
P
W
R
1
RAW METALS
CHEMICAL
CHECK-1 PER HEAT
STANDARD
1
....
1,2
COMPOSITION
PER SIZE (DIA) OR
OPERATING
PER SIZE
PROCEDURE
SURFACE
VISUAL
........
1
....
....
DIMENSION
MEASUREMENT
1
....
....
NON DESTRUCTIVE
SURFACE DEFECTS
REQUIRED
1
....
2
TEST
SPECIFICATION
IDENTIFICATION
COLOR CODING
1
....
1,2
2
IN PROCESS INSPECTION
CHECK DIMENSIONS OF THE PIECES SUBSEQUENTLY DURING THE PROCESS
 
[A]
STUD/BOLTS
SR.NO
STAGE
CHARACTERISTICS
TYPE/CHECK
ACCEPTANCE NORMS
RESPONSIBILITY
REMARK
P
W
R
1)
CUTTING & FORGING
LENGTH & DIA DIMENSION
MEASUREMENT MEASUREMENT
REQUIRED SPECIFICATION
1
....
....
2)
MACHINING & CHAMFERING
DIMENSIONS END FLATNESS
MEASUREMENT VISUAL
IS 1363 PT.1,2 O
R IS 1364 PT.1,2 OR
ANSI B 18.2.1
1
....
....
3)
CENTERLESS
GRINDING
DIAMETER
MEASUREMENT VISUAL
IS 4218 PT. VI
OR ANSI B 1.1
1
....
....
4)
THREAD
ROLLING
DIMENSION
CONFORMITY
GAUGING
REQUIRED
SPECIFICATION
1
....
....
5)
HEAT
TREATMENT
HEAT TREATMENT
CHART
MEASUREMENT
MECHANICAL
REQUIRED
SPECIFICATION
1
....
2
6)
INTERNAL MECHANICAL
TESTING
HARDNESS TENSILE
MEASUREMENT MECHANICAL
REQUIRED
SPECIFICATION
1
....
....
 
[B]
NUTS ( HEX SERIES & HOT FORGED )
SR.NO
STAGE
CHARACTERISTICS
TYPE/CHECK
ACCEPTANCE NORMS
RESPONSIBILITY
REMARK
P
W
R
1) CUTTING
LENGTH & DIA
MEASUREMENT
REQUIRED SPECIFICATION
1
....
....
2) FORGING
DIMENSION
MEASUREMENT
REQUIRED SPECIFICATION
1
....
....
3) MACHINING
DIMENSION
CONFORMITY
MEASUREMENT
IS 1364 PT.3,4 & 5 OR
ANSI-B 18.2.2
1
....
....
4) THREADING
DIMENSION
CONFORMITY
GAUGING
IS 4218 PT. VI ORANSI B 1.1
1
....
....
5) HEAT TREATMENT
HEAT TREATMENT CHART
TEST
REQUIRED SPECIFICATION
1
....
2
6) INTERNAL MECHANICAL TESTING
HARDNESS
MEASUREMENT
REQUIRED SPECIFICATION
1
....
....
TENSILE
MECHANICAL
 
[C]
FINAL INSPECTION FOR EACH SIZE OF STUD/BOLT/NUT
SR.NO
STAGE
CHARACTERISTICS
TYPE/CHECK
ACCEPTANCE NORMS
RESPONSIBILITY
REMARK
P
W
R
1)
STUD OR BOLTS
DIMENSION
MEASUREMENT & GAUGING
REQUIRED SPECIFICATION
1
....
....
2)
NUTS
DIMENSION
MEASUREMENT & GAUGING
REQUIRED SPECIFICATION
1
....
....
3)
L.P.E.
IF REQUIRED
SURFACE DEFECTS
MECHANICAL
P.O. SPECIFICATION
1
2
1
4)
CHEMICAL ANALYSIS
ANALYSIS STUD/BOLT/NUT
CHEMICAL
P.O. SPECIFICATION
1
....
2
 
[D]
INSPECTION AGENCY
SR.NO
STAGE
CHARACTERISTICS
TYPE/CHECK
ACCEPTANCE NORMS
RESPONSIBILITY
REMARK
P
W
R
1)
VISUAL
VISIUAL/ DIMENSION STUD/BOLT/NUT
MEASUREMENT
P.O. SPECIFICATION
1
2
....
2)
MECHANICAL
TEST
HARDNESS/ PHYSICAL STUD/BOLT/NUT
PHYSICAL/ HARDNESS/ PROOF LOAD
P.O. SPECIFICATION
1
....
....
3)
L.P.E.
IF REQUIRED SURFACE DEFECTS
MECHANICAL
P.O. SPECIFICATION
1
2
2
4)
CHEMICAL ANALYSIS
ANALYSIS STUD/BOLT/NUT
CHEMICAL
P.O. SPECIFICATION
1
....
2
 
 
   
   
 
 
 
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