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A. M. Castle & Co. is your trusted source for discounted metal inventory, now available at unbeatable prices and ready to ship immediately. We're offering major savings on premium Alloy, Aluminum, Stainless Steel, Carbon Steel, and Nickel products—ideal for the aerospace, industrial, and medical sectors. Backed by over 130 years of metal distribution expertise, A. M. Castle & Co. delivers quality you can count on. Take advantage of this exclusive inventory clearance and secure the materials you need fast. Shop now for ready-to-ship metals before they're gone—quantities are limited!

FIND WHAT YOU NEED

Products information is displayed on each listing. Use the key below to quickly scan products and find metal pieces you need with ease.

Note: The amount of information per product varies, but the information order remains the same.

*Flat bars are shown as thickness and width. Tubes are shown as outer diameter, wall thickness, and inner diameter. Extrusions are shown by their number.
All others are shown by their primary dimension.
**May be material condition for aluminum products.
***May also specify non-destructive testing for certain materials.

Shapes

RD: Round
RECT: Rectangle
SQ: Square
HX: Hexagon
FLAT: Flat
A01: Extrusion

Processing (Bar)

CD: Cold Drawn
CF: Cold Finish
CF: Cold Rolled
FGD: Hot Forged
HR: Hot Rolled

Processing (Tube)

CDSM: Cold Drawn Seamless
DOM: Drawn Over Mandrel
ERW: Electric Resistance Welded
HFSM: Hot Finished Seamless

Machining

CG: Centerless Ground
RT: Rough Turn
T&P: Turned & Polished
TGP: Turned, Ground, & Polished

Heat Treatment

ANN: Annealed
N / NORM: Normalized
OHT: Oil Heat Treated
SOL TR: Solution Treated
SF: Stress-Free
SR: Stress-Relieved
SRA: Stress-Relieved Annealed
T: Tempered
Q&T: Quenched & Tempered

Material Condition

BARE: Bare Aluminum
CLAD: Alclad / Composite

Additional Process

PKL: Pickled
VAR: Vacuum Arc Remelted

Non-Destructive Testing

USI: Ultrasonic Inspection

Primary Dimension
Length
Width
All measurements are provided in inches.
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationJanesville
  • ShapeFLAT
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0.5000.2.5000.FLAT.4140.ALLOY.CF.ANN.120.0000-156.0000

Primary Dimension: 0.5 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 51
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationCleveland
  • ShapeFLAT
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1.2500.2.0000.FLAT.4140.ALLOY.CF.ANN.120.0000-156.0000

Primary Dimension: 1.25 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 118
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationCleveland
  • ShapeHX
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0.4375.HX.4140.ALLOY.CF.ANN.120.0000-156.0000

Primary Dimension: 0.4375 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 70
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationJanesville
  • ShapeHX
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1.1250.HX.4140.ALLOY.CF.ANN.120.0000-156.0000

Primary Dimension: 1.125 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 83
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationCleveland
  • ShapeHX
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1.7500.HX.4140.ALLOY.CF.ANN.120.0000-156.0000

Primary Dimension: 1.75 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 59
  • GradeALLOY
  • Grade300M
  • ConditionN&T
  • FormBAR
  • LocationJanesville
  • ShapeRD
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1.5000.RD.E4340 MOD.ALLOY.RT.N&T.AMS 6417.300M.156.0000-300.0000

Primary Dimension: 1.5 
Product Length: 216
Condition: N&T
Product Surface: RT 
Lot Length: 45
  • GradeALLOY
  • Grade300M
  • ConditionN&T
  • FormBAR
  • LocationCleveland
  • ShapeRD
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1.7500.RD.E4340 MOD.ALLOY.RT.N&T.AMS 6417.300M.156.0000-300.0000

Primary Dimension: 1.75 
Product Length: 216
Condition: N&T
Product Surface: RT 
Lot Length: 40
  • GradeALLOY
  • Grade300M
  • ConditionN&T
  • FormBAR
  • LocationLos Angeles
  • ShapeRD
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2.5000.RD.E4340 MOD.ALLOY.RT.N&T.AMS 6417.300M.156.0000-300.0000

Primary Dimension: 2.5 
Product Length: 216
Condition: N&T
Product Surface: RT 
Lot Length: 64
  • GradeALLOY
  • Grade300M
  • ConditionN&T
  • FormBAR
  • LocationLos Angeles
  • ShapeRD
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6.5000.RD.E4340 MOD.ALLOY.HR.N&T.VAR.300M.AMS 6417.156.0000-300.0000

Primary Dimension: 6.5 
Product Length: 228
Condition: N&T
Product Surface: HR 
Lot Length: 48
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationLos Angeles
  • ShapeRD
Add to quote

0.3750.RD.4140.ALLOY.CF.ANN.144.0000

Primary Dimension: 0.375 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 140
  • GradeALLOY
  • Grade4140
  • ConditionQ&T
  • FormBAR
  • LocationCleveland
  • ShapeRD
Add to quote

0.3750.RD.4140.ALLOY.CF.Q&T.ASTM A193 B7.120.0000-156.0000

Primary Dimension: 0.375 
Product Length: 144
Condition: Q&T
Product Surface: CF 
Lot Length: 76
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationJanesville
  • ShapeRD
Add to quote

0.3750.RD.4140.ALLOY.CF.ANN.144.0000

Primary Dimension: 0.375 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 73
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationJanesville
  • ShapeRD
Add to quote

0.5000.RD.4140.ALLOY.CF.ANN.144.0000

Primary Dimension: 0.5 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 58
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationToronto
  • ShapeRD
Add to quote

0.6250.RD.4140.ALLOY.CF.ANN.144.0000

Primary Dimension: 0.625 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 142
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationCleveland
  • ShapeRD
Add to quote

0.6250.RD.4140.ALLOY.CF.ANN.144.0000

Primary Dimension: 0.625 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 89
  • GradeALLOY
  • Grade4140
  • ConditionANN
  • FormBAR
  • LocationCleveland
  • ShapeRD
Add to quote

0.6250.RD.4140.ALLOY.CF.ANN.144.0000

Primary Dimension: 0.625 
Product Length: 144
Condition: ANN
Product Surface: CF 
Lot Length: 50
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