RECOMMENDED STOCK REMOVAL

 

AIRCRAFT QUALITY ALLOY BAR
(Minimum stock removal indicated is required by mills to
justify rejection according to AMS 2301 standards)

 

HOT ROLLED SIZE

(INCHES)

MINIMUM REMOVAL
FROM THE SURFACE
(PER EACH SIDE)

COLD DRAWN SIZE
(INCHES)
.
.030
1/4 to 1/2 incl.
Over 1/2 TO 3/4 incl.
.045
Over 1/2 to 11/16 Incl.
Over 3/4 TO 1 incl..
.060
Over 11/16 to 15/16 Incl.
Over 1 to 1-1/2 incl.
.075
Over 15/16 to 1-7/16 Incl.
Over 1-1/ 2 to 2 incl.
.090
Over 1-7/16 to 1-15/16 Incl.
Over 2 to 2-1/2 incl.
.125
Over 1-15/16 to 2-7/16 Incl.
Over 2-1/2 to 3-1/ 2 incl.
.156
Over 2-7/16 to 3-3/8 Incl.
Over 3-1/2 to 4-1/2 incl.
.187
Over 3-3/8 to 4-3/8 Incl.
Over 4-1/2 to 6 incl.
.250
.......
Over 6 to7-1/2 incl.
.312
.......
Over 7-1/2 to 9 incl.
.375
.......
....... ...... .......

ALLOY CONDITIONS
.......
PHYSICAL CONDITION
SURFACE CONDITION
A - AS FORGED
 1. Black as Forged or Rolled
B - AS ROLLED
 2. Pickled or Blast Cleaned
C - AS ANNEALED
 3. Rough Turned
D - NORMALIZED
4. Cold Drawn
E - NORMALIZED & TEMPERED
5. Surface Ground
F - HEAT TREATED & TEMPERED
.
 
......

STAINLESS BAR
(Minimum removal required by mills to justify rejection)
COLD DRAWN: ROUNDS - HEXAGONS
 .
Up to & included 5/16"
 .003 per side (Excluding 440C)
Over 5/16"
1% of diameter per ide
CENTERLESS GROUND ROUNDS
All sizes "Defect Free", within size tolerance
ROUND TURNED: ROUNDS
All rough turned rounds are oversize, material is seam free on size.
HR-A&P FLATS & SQUARE AND COLD DRAWN FLATS
..
......
......
WIDTH
MINIMUM STOCK REMOVAL FROM EACH SURFACE OF THICKNESS
MINIMUM REMOVAL FROM EACH SURFACE OF WIDTH
...... 1/8-1/2" 1/2"-1" 1-2" 2-3" 3-4" 4-6" 6-8" .......
...... . . . . . . . .......
Up to 1" incl.
0.008
0.010
-
 - - -
-
0.015
Over 1 - 2" incl.
0.012
0.015
0.031
 - - -
-
0.031
Over 2 -3" incl.
0.015
0.020
0.031
 0.047 - -
-
0.047
Over 3 - 4" incl.
0.015
0.020
0.031
 0.047 0.062
-
-
0.062
Over 4 - 6" incl.
0.015
0.020
0.031
 0.047 0.062
0.093
-
0.093
Over 6 -8" incl.
0.024
0.031
0.035
 0.062 0.078
0.093
0.141
0.141
Over 8 - 10" incl.
0.024
0.031
0.035
 0.062 0.08
0.125
0.156
0.156