Steel Forged Drive Shaft | Heavy machinery, high-torque applications | Material: High-carbon steel (ASTM A355 Grade K2) ▲▲▲ Torsional Strength: 120,000 psi (▲▲▲ vs Industry Standard) Forging Process (ISO 804:2016) | Highest strength-to-weight ratio (450°C max temp) Zero weld fatigue risk | Higher cost ▲▲▲ Heavier than alternatives ▲▲▲ |
Steel Welded Drive Shaft | Automotive, light industrial machinery | Material: SAE J431 Grade 40Cr steel ▲ Torsional Strength: 90,000 psi (▲ vs Industry Standard) Welded Construction (AWS D1.1) | Cost-effective ▲ Lightweight ▲ | Potential weld fatigue ▲▲ Lower load capacity ▲▲ |
Cast Iron Shaft | Standard machinery, moderate loads | Material: Gray cast iron (ASTM A48 Class 30) ▲ Torsional Strength: 75,000 psi Vibration Damping: 15 dB reduction (ISO 8303) | Affordable ▲▲ Good vibration damping ▲▲ | Brittle under high stress ▲▲▲ Prone to cracking ▲▲▲ |
Aluminum Alloy Shaft | Aerospace, robotics | Material: 6061-T6 aluminum (ASTM B209) ▲ Weight: 0.1 lb/in³ (▲▲ lighter than steel) Corrosion Resistance: 200+ hours salt spray (ASTM B117) | Lightweight ▲▲▲ Corrosion-resistant ▲▲ | Lower strength (50,000 psi ▲▲) Not for heavy loads ▲▲▲ |
Stainless Steel Shaft | Marine, chemical processing | Material: 316 Stainless Steel (ASTM A276) ▲▲ Corrosion Resistance: Passes ASTM G48 Method A ▲ Temperature Range: -50°C to 600°C | Immune to chemical corrosion ▲▲▲ High-temperature tolerance ▲▲ | Higher cost ▲▲▲ Magnetic properties may interfere ▲▲ |
Carbon Steel Shaft | General industrial applications | Material: AISI 1045 carbon steel (ASTM A311) ▲ Tensile Strength: 80,000 psi ▲ Surface Hardness: 25 HRC (ASTM E18) | Balanced strength/cost ▲▲ Easy to machine ▲▲ | Requires coating for corrosion protection ▲▲▲ Lower fatigue life ▲▲ |