AISI 4130 Alloy Steel (Chromoly Steel) – Complete Technical Guide
What is AISI 4130 Alloy Steel?
AISI 4130 alloy steel is a high-strength, low-alloy steel that contains chromium and molybdenum as its primary strengthening agents. Often referred to by its common name, 4130 chromoly or Cr-Mo steel, this grade is celebrated in engineering circles for its exceptional combination of strength, toughness, fatigue resistance, and weldability. Its versatility makes it a cornerstone material in some of the world's most demanding industries.
The key advantages of 4130 alloy steel stem from its carefully balanced chemistry, which allows it to respond favorably to a wide range of heat treatments. This adaptability produces a material with a high strength-to-weight ratio, making it an ideal choice for applications where performance cannot be compromised. You will find this grade extensively used in the form of 4130 round bar for gears and shafts, AISI 4130 steel tube for aerospace and motorsport frames, and seamless pipes for high-pressure systems in the oil and gas sector.
AISI 4130 Applications
AISI 4130 Chemical Composition
AISI 4130 Mechanical Properties
AISI 4130 Heat Treatment
AISI 4130 Weldability
4130 steel Machinability
Forgeability & Forming
4130 Steel Equivalent Grades
Corrosion Resistance
Available Forms
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Nifty Alloys LLC is a trusted AISI 4130 Alloy Steel supplier in Dubai, UAE, offering high-quality chromium-molybdenum steel widely used for oil & gas equipment, aerospace components, structural parts, and engineering applications. AISI 4130 steel provides excellent strength, weldability, and toughness, making it suitable for demanding industrial environments. We supply AISI 4130 alloy steel bars and custom-cut sizes with Mill Test Certificates, with fast delivery across the GCC region including UAE, Saudi Arabia, Qatar, Kuwait, Oman, and Bahrain, along with global exports to Europe, Asia, Africa, and the Americas.
