4140 Round Stock Steel
In stock
SKU
MESF-4140
Shelf Location
PR10.2
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4140 is a lower carbon alloy steel that is extremely tough steel great for making hammers
This round stock is sold in 12" pieces
This steel is Cold Drawn (CR) and comes fully annealed
Chemical Properties of our 4140 alloy:
C = .38/.43
Cr = .30/.50
Mo = .15/.25
Mn = .75/1.0
Si = .15/.3
S =0.040 max
P = 0.035 max
Heat Treatment for 4140 Carbon Steel
Austenitizing temp 1550 to 1600°F
Quench in Parks AAA
Temper 400°F twice for 2 hours each time. Cool to room temperature in between tempers.
This Should give a hardness of 50HRC