4130 Steel Forging
4130 Steel Forging Chemical Composition
4130 steel is a chromium-molybdenum alloy steel known for its excellent strength, toughness, and weldability. Its key chemical elements include:
Carbon (C): ~0.30% – Provides hardness and strength.
Chromium (Cr): ~0.80-1.10% – Enhances hardenability, corrosion resistance, and strength.
Molybdenum (Mo): ~0.15-0.25% – Improves strength at high temperatures and enhances hardenability.
Manganese (Mn): ~0.40-0.60% – Increases strength and hardenability.
Silicon (Si): ~0.15-0.30% – Acts as a deoxidizer and strengthens the ferrite.
Sulfur (S) and Phosphorus (P) are kept at low levels as impurities.
This balanced composition makes 4130 steel ideal for demanding forged components.
Key Industries for 4130 Steel Forgings
Thanks to its superior properties, 4130 steel forgings are critical in numerous high-stress industries:
Aerospace: Landing gear components, engine mounts, and structural parts.
Automotive & Racing: High-performance crankshafts, connecting rods, and suspension components.
Oil & Gas: Drill collars, valve bodies, wellhead equipment, and tool joints.
Defense: Armor components, vehicle parts, and weapon systems.
Industrial Machinery: Gears, shafts, spindles, and other heavy-duty machine parts.
Benefits of the Forging Process
Forging 4130 steel significantly enhances its mechanical properties compared to other manufacturing methods like casting or machining from bar stock. Key benefits include:
Superior Strength & Toughness: The forging process refines the grain structure, resulting in excellent impact resistance and fatigue strength.
Reliability: Forgings have a continuous grain flow and eliminate internal voids or porosity, ensuring greater structural integrity.
Ductility: Forged components can withstand high stress without cracking.
Cost-Effectiveness: For complex shapes, forging often reduces material waste and secondary machining costs.
Custom 4130 Forgings from Your Drawings
We specialize in producing high-quality custom 4130 steel forgings tailored to your exact specifications. Our advanced manufacturing capabilities allow us to work directly from your CAD models or technical drawings, ensuring the final part meets your precise dimensional, tolerance, and performance requirements.