Alloy
The benefits of alloy steel include its tensile strength, yield strength, fatigue resistance, toughness, and wear resistance. Castle offers a broad array of alloys and product forms in aircraft, commercial, bearing, and VAR qualities including bar, plate, sheet, and tube.
Aircraft Quality (info)E4130
E4140
E4320
E4340
E52100
E6150
E8620
E8740
E9310
Nitriding 135
Bearing Quality (info)E3310
E4118
E52100
E8620
Commercial Quality (info)4140
4145 MOD.
4150
41L40
4340
4820
8620
8630
86L20
ASTM A-193 B16
ETD 150
Purecut 20
Purecut 40
Supercut 150
Telcut 40
Telcut 50
VAR (info)300M (E4340 MOD)
E4330 AQ AMS 6411
E4340 AQ AMS 6414
E9310
Other Quality4130
4130 PREHARD
4130 Q & T
4140/4142 (dual certified)
4142 PREHARD
4340
A387 Grade 11 Class 2
A387 Grade 22 Class 1
A514 Gr B
A514 Gr F
A514 Gr H
A514 Gr Q
AR500
E4340
Formable 400
Aircraft Quality (info)4130 AQ Condition N AMS 6345
4340 AQ Annealed AMS 6359
E8620
E4130 AQ CR ANN
E4130 AQ HR ANN
4130 CDSM
4130 DOM
4140/4142
52100 B.Q.
8620