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DUPLEX & SUPER DUPLEX STEEL WASHER


DUPLEX & SUPER DUPLEX STEEL WASHER

These Duplex & SUPER DUPLEX Steel Washers have resistance towards corrosion. These are also known for their yield strength. The Duplex Steel UNS S31803 Washers contain nickel and molybdenum, along with chromium in their chemical composition. These provide them with excellent yield strength. Along with yield strength, they also make them resistant to corrosion.

The Duplex Steel UNS S32205 Washers have properties such as great tensile strength. Along with this, they also have the characteristic of fabricability. As they are corrosion resistant, they are used in applications where the environment may be unfavorable. Also, these are ductile and also have dimensional accuracy.

The Super Duplex Steel s32750 Washers also have excellent finishing and longer life. The Super Duplex Steel s32760 Washers also have the property of fabrication. They also have the property of ductility and are also weldable. These have other mechanical properties as well and are also durable.

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Specification :-

Grades Duplex Steel UNS S31803 / S32205
Super Duplex Steel 2507 (UNS S32750/S32760)
Standard ANSI – American National Standards Institute
  • UNS Stud Nuts length are defined in ASME B16.5 standard
  • ANSI B 28.2.4 1M
  • ANSI B 18.2.4 2M
  • ASME B18.5
  • Nuts are defined in ASME B18.2.2
  • DIN:DIN 933, DIN 931, DIN 970, DIN 934
  • DIN 580 UNS S31803 Eye Nuts
  • UTS – Unified Thread Standard : UNF, NPT, NPTF, UNS, UNC, UNEF
  • ISO – International Organization for Standardization ISO 4033, : ISO 4032, JIS standards
Size M10, M4, M16, M36 M2.5, M6, M30, M12, M8, M14, M2, M3, M20, M24, M5 to M160 | Custom Sizes
Length 3 mm to 200 mm | Custom Sizes
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Form Hex, Threading, Square, Round as per Gauge Etc.
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or
vertically
Threads available UNF, BSW, BSF, METRIC, UNC, or as required
Threads
Configuration
ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Test Certificate As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.
Packing IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request
Surface Coating Cadmium Coating
Hot Dipped Galvanizing Coating
Ptfe Coated
Phosphate Coating
Teflon Coating
Xylon Coating
Zinc Coating

Equivalent Grades

STANDARD UNS WERKSTOFF NR.
Duplex S31803 S31803 1.4462
Duplex S32205 S32205 1.4462
Super Duplex S32750 S32750 1.4410
Super Duplex S32760 S32760 1.4410

Chemical Composition

Grade C N P Si Mn Mo Fe Cr S Ni
S31803 / S32205 1.0 max 0.03 max 0.02 max 2.0 max 3.0 – 3.5 22.0 – 23.0 0.03 max 4.5 – 6.5 0.14 – 0.2 Bal
S32750 / S32760 0.030 max 0.24 - 0.32 0.035 max 0.80 max 1.20 ma 3.0 – 5.0 - 24.0 – 26.0 0.020 max 6.00 - 8.00

Mechanical Properties

Grade Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
S31803 / S32205 7.8 g/cm3 1350 °C (2460 °F) Psi – 80000 , MPa – 550 Psi – 116000 , MPa – 800 15 %
S32750 / S32760 7.8 g/cm3 1350 °C (2460 °F) Psi – 80000 , MPa – 550 Psi – 116000 , MPa – 800 15 %

Applications and Uses

  • Chemical Industries
  • Oil & Gas Industrires
  • Power Plant Industries
  • Shipbuilding Industries
  • Fertilizer Industrires
  • Petrochemical Industrires
  • Sugar Industrires
  • Cement Industrires