4130 Alloy steel plate commonly referred to as chromoly is a chrome alloy steel with medium carbon content containing .80 – 1.10% chromium as the strengthening agent. 4130 Alloy steel plate is readily machinable has excellent weldability and offers excellent ductility. 
The application of SAE 4130 Alloy Steel plate:
4130 Alloy steel plate is considerably stronger and harder than other standard steel grades and is commonly used in construction of commercial and military aircraft.
SAE 4130 Alloy Steel plate application:
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
Katalor offer as wide range of stock sizes and processing capabilities for your company's needs from of SAE 4130 alloy steel plate and coil . We also have shearing capabilities to meet your projects specific needs for SAE 4130 alloy steel plate and coils.  Please contact us if yoyh have any need for SAE 4130 alloy steel plate and coils. We will try our best to reply you soon!