ALLOY STEEL ROUNDS 4140, 4150 Mod. R/S, 4340

ALLOY STEEL ROUNDS
4140, 4150 Mod. R/S, 4340
Hot Rolled & Cold Finished
Forged, Annealed & Rough Turned1
Medium Carbon
ASTM A322

Stock Lengths: HR – 20 Ft. random

Size
in
Inches
Weight
per Ft.
in Lbs.
4140 4150 Mod.
RS
4340
10
273.8
X
10 1/2
301.5
X
X
X
11
330.5
X
X
X
11 1/2
360.9
X
X
12
392.6
X
X
X
12 1/2
425.6
X
X
13
460.0
X
X
X
14
532.8
X
X
X
15
610.9
X
X
X
16
694.3
X
X
X
16 1/2
783.0
X
18
877.2
X
X
19
976.7
X
20
1081.0
X
X
X
22
1307.0
X
X
Size
in
Inches
Weight
per Ft.
in Lbs.
4140 4150 Mod.
RS
4340
24
1554.0
X
X
1Material that is rough turned is up to ¼” oversize for machining to nominal size shown.
 

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