X53 - Aerospace Alloy Steel
X53 alloy steel is a high-strength, low-alloy steel designed to meet the requirements of aerospace and defense industries, where toughness, resistance to fatigue, and stability are of prime importance. This steel is used to make structural parts of aircraft, landing gears, and rotating machinery. The steel is melted under vacuum conditions to obtain a microstructure with minimum inclusions. This is why it is used to make parts that require resistance to fatigue.
Technical Information of X53 Alloy Steel
- Carbon (C): 0.38 – 0.45%
- Chromium (Cr): 0.80 – 1.10%
- Molybdenum (Mo): 0.15 – 0.25%
- Nickel (Ni): 3.00 – 3.50%
- Manganese (Mn): 0.25 – 0.45%
- Silicon (Si): 0.15 – 0.35%
- Sulfur (S): ≤ 0.025%
- Phosphorus (P): ≤ 0.025%
- Iron (Fe): Balance
- High tensile strength and fatigue resistance
- Excellent toughness under ambient and elevated temperatures
- Vacuum melted for superior purity and microstructure consistency
- Uniform mechanical properties for precision engineering
Applications of M50 Steel
- Airframe Structural Components : beams, frames, and critical supports
- Landing Gear Assemblies : pins, shafts, and brackets
- Rotating Aerospace Machinery : turbines, actuators, and spindles
- Defense Systems : high-performance structural steel for military aircraft
M50 Alloy Steel SPECIFICATIONS
BARS & FORGINGS
Semi-finished bars and forged shapes used for aircraft structural parts, landing gear, and high-stress applications.
Certified Material for Critical Service
X53 is supplied with full aerospace certification, including:
- Mill Test Reports (MTRs)
- Heat-lot traceability
- Compliance with relevant AMS and military specifications