4130 Steel Sheets

4130 steel commonly referred to as chromoly is a chrome alloy steel with medium carbon content containing .80 – 1.10% chromium as the strengthening agent. 4130 sheet is readily machinable has excellent weldability and offers excellent ductility. 4130 steel sheet is considerably stronger and harder than other standard steel grades and is commonly used in construction of commercial and military aircraft.

TW stocks a wide range of sizes in 4130 steel certified to AMS 6350/6351 – annealed and AMS 6345 for normalized or otherwise heat treated.

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Thickness
Temper
Specification
Manufacture Method
Width

8 Items

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SKU Description DFARS Thickness Length Width Specification
Sku: 81284 Description: 4130 AMS 6345 A/Q NORM .190 DFARS: No Thickness: 0.1900 Length: 144 IN Width: 48 Specification: AMS6345
Sku: 69726 Description: 4130 AMS 6350 CR ANNEALED .125 DFARS: No Thickness: 0.1250 Length: 96 IN Width: 36 Specification: AMS6350
Sku: 69688 Description: 4130 AMS 6350 ANNEALED .125 DFARS: No Thickness: 0.1250 Length: 144 IN Width: 36 Specification: AMS6350
Sku: 28613 Description: 4130 HR DFARS: No Thickness: 0.1250 Length: 120 IN Width: 36 Specification: ASTM A506
Sku: 87965 Description: 4130 AMS 6350 ANNEALED .080 DFARS: No Thickness: 0.0800 Length: 120 IN Width: 36 Specification: AMS6350
Sku: 69927 Description: 4130 SHEET AMS6350 AQ AN .050 DFARS: No Thickness: 0.0500 Length: 144 IN Width: 36 Specification: AMS6350
Sku: 20700 Description: 4130 AMS 6345 A/Q NORM .050 DFARS: No Thickness: 0.0500 Length: 144 IN Width: 36 Specification: AMS6345
Sku: 69695 Description: 4130 AMS 6350 ANNEAL .067" +/-.006" DFARS: No Thickness: 0.0670 Length: 144 IN Width: 36 Specification: AMS6350

8 Items

English Metric
per page
Set Descending Direction

4130 STEEL SHEET APPLICATIONS

  • Commercial aircraft
  • Military Aircraft
  • Automotive
  • Machine tools
  • Hydraulic tools
  • Auto racing
  • Aerospace
Typical Chemical Requirements
Carbon Range .28 /.33
Manganese Range .40/.60
Phosphorous Max .025
Sulfur Max 0.025
Silicon Range .15/.35
Chromium Range .80/1.1
Nickel Max .25
Molybdenum .15/.25
Copper Max .35

TW Metals offer as wide range of stock sizes and processing capabilities for your company's needs from .025 - .250 in. 18 AND 36 "widths x 72" lengths. We also have shearing capabilities to meet your projects specific needs for 4130 steel sheet.