Duplex Steel Shafts

Duplex stainless steel shaft manufacturer in India — high-strength forged duplex shafts (UNS S31803 / S32205), custom sizes, and precision engineering from Suntech Forge India.

Duplex Steel Shafts
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Duplex Steel Shafts

Suntech Forge India is a trusted duplex stainless steel shaft manufacturer in India, delivering high-performance forged shafts with superior strength, corrosion resistance, and precision engineering.

Duplex stainless steel shafts are widely used in demanding environments due to their excellent mechanical properties and resistance to corrosion. These shafts are available in customized sizes as per drawings.

verified_user Excellent Corrosion Resistance
workspace_premium High Strength & Durability
shield_with_heart Withstands Extreme Conditions
military_tech Long Service Life

Duplex Shaft Specification

Top-quality duplex shafts manufactured with years of experience and unmatched expertise.

OD

Up to 160″

Length

Up to 75 ft

Max Weight

270,000 lbs

Tolerance

±0.5 mm

Custom Sizes

Available

Our Capability

  • Heat treatment
  • Machining & forging
  • Sawing

Standards

  • UNS S31803
  • UNS S32205
  • WNR 1.4462
  • DIN 1.4462

Value Added Services

  • Balancing
  • Heat treatment
  • CNC machining
  • Quenched & tempering
  • Honing / threading
  • Forging / shaping

Forging Method

  • Hot / cold forging
  • Open / closed die forging
  • Upset forging
  • Drop forging
  • Impression die forging

Testing & Quality Assurance

  • Heat treatment
  • Ultrasonic testing
  • PMI testing
  • Liquid penetrant testing
  • NDT testing

Surface Finish

  • Machined
  • Forged black / milled

Packaging

  • Wire rope
  • Protective paper
  • Wooden brick / custom

Applications

  • Marine industry
  • Chemical processing
  • Power generation
  • Water treatment
  • Paper industry
  • Mining industry

Duplex Shaft Advantages

  • Better corrosion resistance
  • Greater ductility
  • Increased strength

Duplex Shaft Dimension Chart

Diameter (mm) Length (mm) Tolerance Weight (kg/m)
10 500 ±0.05 0.50
20 1000 ±0.10 1.95
30 1500 ±0.15 4.40
40 2000 ±0.20 7.00
50 2500 ±0.25 10.95
60 3000 ±0.30 15.70
80 4000 ±0.35 25.10

Heat Treatment Process

Process Temperature Time
Solution annealing 1020–1100°C 30–60 min
Rapid cooling Room temp Immediate
Stress relieving 300–600°C 1–2 hrs

Types of Duplex Shafts

  • Flange shafts
  • TGP shafts
  • Axle shafts
  • Hollow shafts
  • Eccentric shafts
  • Linear shafts
  • Rotor shafts
  • Stepped shafts
  • Machine shafts
  • Crank shafts
  • Gear shafts

Duplex Hollow vs Solid Shaft

Property Hollow shaft Solid shaft
Weight Lower Higher
Strength Moderate Higher
Cost Lower Higher
Application Light duty Heavy duty

Chemical Composition

  • Carbon: ≤ 0.03%
  • Chromium: 22–23%
  • Nickel: 4.5–6.5%
  • Molybdenum: 3–3.5%

Mechanical Properties

  • Tensile strength: 620–850 MPa
  • Yield strength: 450–600 MPa
  • Elongation: 25%
  • Hardness: 85–95 HRB

Physical Properties

  • Density: 7.8 g/cm³
  • Melting point: 1425–1500°C
  • Thermal conductivity: ~16 W/m·K

Export Countries

  • Saudi Arabia
  • Qatar
  • UAE
  • Oman

Price Information

Duplex stainless steel shaft price — get the latest price by contacting sales@suntechforge.com.

Ready Stock

  • Hollow shafts
  • Precision forged shafts
  • Polished duplex shafts
  • Custom forged shafts

Delivery Time

Export to Shipping time (days)
UAE 5
Saudi Arabia 7
Qatar 7
Bahrain 9
Kuwait 10
Malaysia 10
Singapore 8
Indonesia 9
Philippines 14
Italy 30
France 30
UK 30
USA 40–60