Duplex Steel Rings

Duplex steel ring manufacturer in India — forged and rolled rings in UNS S31803, S32205 & WNR 1.4462. Custom sizes, MTC, export worldwide.

Duplex Steel Rings
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Duplex Steel Rings

Suntech Forge India is a leading Duplex Steel Ring Manufacturer in India, offering high-quality forged and rolled rings in standard as well as customized sizes. Our products are manufactured to client requirements and international standards.

Duplex steel rings combine high yield strength with strong resistance to pitting, crevice corrosion, and stress corrosion cracking—ideal for demanding industrial service.

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

Duplex Steel Ring Specification

Duplex stainless steel ring standards we work with:

  • UNS S31803
  • UNS S32205
  • WNR 1.4462

Ring Weight

60,000 lbs

Thickness

300 mm

Face Height

Up to 49 inches

OD

145 to 3000 mm

Finish

Forged black or proof machined

Forging

Hot rolled, open die, and closed die as applicable

Our Strength

Forging as per drawing
Cheapest cost
Custom forging solutions
Transparent dealings
On-time delivery

Product Overview

Duplex steel rings are widely used in industries that need high strength and corrosion resistance. Rings are available in multiple sizes and specifications for diverse industrial applications.

Value Added Services

Heat treatment
Age hardening
Normalizing
Annealing
Hardening
Quenching & tempering

Duplex Steel Ring Sizes

  • Ring weight: 60,000 lbs
  • Thickness: 300 mm
  • Face height: Up to 49″
  • OD: 145 to 3000 mm

Our Capability

  • Forging — drop, upset, open/closed die, impression die, hot and cold routes as applicable
  • Heat treatment — cycles per material and specification
  • Machining & sawing — to drawing and tolerance

Surface Finish

  • Forged black
  • Proof machined

Duplex Ring Size Chart

Ring size (ID mm) Thickness (mm) Weight (kg/m)
10 2 0.21
15 2 0.31
20 2 0.41
25 3 0.65
30 3 0.78
35 4 1.00
40 4 1.18
50 5 1.75
60 5 2.10
70 6 2.45
80 6 2.80
90 8 3.45
100 8 4.00
120 10 5.00
150 10 6.50

Applications

Pharmaceuticals
Food processing
Power generation
Automotive
Marine

Forging Method

  • Drop / upset forging
  • Open / closed die
  • Impression die forging
  • Cold / hot forging

Testing & Quality Assurance

  • Heat treatment verification
  • Liquid penetrant testing
  • Ultrasonic testing
  • NDT / PMI testing
  • Documented quality assurance

Packaging

  • Carton box
  • Plastic wrapping
  • Wooden case

Types of Duplex Steel Rings

  • UNS S31803 forged rings
  • Alloy 2205 plate cut rings
  • DSS 2205 socket rings
  • WNR 1.4462 seal rings
  • Seamless rolled rings
  • Custom SAF 2205 rings
  • Hot forged rings
  • UNS S32205 rolled rings

Duplex Steel vs Stainless Steel

Property Duplex steel Stainless steel
Composition Austenitic + ferritic Austenitic / ferritic
Corrosion resistance Excellent Good
Strength Higher Lower
Weldability Good Good
Cost Higher Lower

Seal Rings Benefits

  • Good toughness
  • Versatile applications
  • Cost-effectiveness
  • Ease of fabrication

Temperature Rating

Property Range
Service temperature −50°C to 300°C
Heat treatment 1050°C to 1150°C
Melting point 1400°C to 1450°C
Welding temperature Max 300°C

Export Countries

Dubai (UAE) Saudi Arabia Qatar Oman

Price Information

ASTM A182 UNS S31803 rolled ring pricing

Looking for the latest duplex ring price list and availability? Send your inquiry and we will respond with a competitive quote.

Standard Sizes

Size (inches) Size (mm) Thickness
1/2″ 15.88 3–10
3/4″ 19.05 3–10
1″ 25.4 3–10
1.5″ 38.1 4–12
2″ 50.8 4–12
3″ 76.2 5–15
4″ 101.6 6–20

Chemical Composition

Carbon
≤ 0.03%
Chromium
22.0 – 23.0%
Nickel
4.5 – 6.5%
Silicon
≤ 1.0%
Phosphorus
≤ 0.03%
Sulfur
≤ 0.02%

Mechanical Properties

Tensile strength
620 MPa
Yield strength
450 MPa
Elongation
25%
Hardness
285 HB
Modulus
200 GPa

Physical Properties

Density
7.8 g/cm³
Melting point
1400°C – 1450°C
Thermal conductivity
16.2 W/m·K

Certifications

ISO 9001 / 14001 / 45001 ASTM standards EN 10204 NACE MR0175 API certification MTC (mill test certificate)

Ready Stock

  • Seamless rolled rings
  • Precision forged rings
  • Large diameter rings
  • Custom forged rings

Delivery Time

Country Days
UAE 5
Saudi Arabia 7
Qatar 7
USA 40–60
UK 30
Malaysia 10
Oman 5

Typical lead times (at a glance)

UAE 5 days
Oman 5 days
Saudi Arabia 7 days
Qatar 7 days
Malaysia 10 days
UK 30 days
USA 40–60 days