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Raw-Materials
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AISI-4140
Cr-Mo-V Steel
Carbon Steel
AISI-304
AISI-316
AISI-321
AISI-501
Mill Test Certificates & other Intermediary Test Reports

Raw-Material Indentification Register

100%
Q/C
2
Dimension:
Studs
Nuts
Bolts
Length/Height
Chamfer
Bore
PCD/Dia
Head Height
Across Flat
25%
ANSI B 16.5
ANSI B 18.2.2
ANSI B 18.2.1
IS:1364
IS:3138
IS:3757
IS:6639
IS:6623
Job Card
100%
Q/C
3
Identification
Stamping
Visual
100%
ASTM-A-193
ASTM-A-307
ASTM-A-194
ASTM-A-320
ASTM-A-563
IS:1364
IS:3138
IS:3757
IS:6639
IS:6623
Job Card
100%
Q/C
4 Heat Treatment
Physical Values:
Yield Stress
UTS
Elongation
R.A.
Hardness
Proof Load
2 Nos from
each Heat-lot
of Stud Bolts
5 Nos from
each Heat-lot
of Nuts
ASTM-A-193
ASTM-A-307
ASTM-A-194
ASTM-A-320
ASTM-A-563
IS:1367
IS:3138
IS:3757
IS:6639
IS:6623
Heat Log Book
H / T Graphs
100% Q/C
5 Threading Gauging 100%
ANSI B 1.1-2A
ANSI B 1.1-2B
IS:4218-6g/6H
Job Card 100% Q/C
6
Final Clearance
for Despatch/
Placement for
Inspection to
3rd Party
Workmanship
Dimensions
Gauging
Identification
Stamping
25%
Purchase Order
Test Reports
Job Cards
H/T Log Book
H/t Graphs
Works Certificates
100%
Q/C
7 Inspection by 3rd Party Inspection Agency
Visual
Workmanship
Chemical
Physical Prop
Dimension
Gauging
Stamping
Ramdom
Purchase Order
R/M Identification
Register
Job Card
H/T Log Book
H/t Graphs
Sampling Memo
Chemical Lab Report
Physical Test Results
Final Insp.Memo
As per
Specn
I/A

Q/C=Internal Quality Control I/A=3rd Party Inspection Agency