Duplex Steel S31803 Fasteners

Duplex Steel S31803 Fasteners

What is Duplex UNS S31803, and what are its properties?

Duplex UNS S31803 is a type of duplex stainless steel with a balanced combination of ferrite and austenite phases in its microstructure. This composition imparts exceptional mechanical and corrosion-resistant properties to the material. The primary elements in Duplex UNS S31803 are chromium, nickel, molybdenum, and nitrogen, which contribute to its high strength, excellent resistance to pitting and crevice corrosion, and good weldability.

This duplex grade offers improved resistance to stress corrosion cracking, making it suitable for applications in aggressive environments such as marine, oil and gas, chemical processing, and offshore industries. The superior properties of Duplex UNS S31803 make it an attractive choice for fasteners, as it provides a reliable and durable solution in demanding and corrosive environments.

What are the applications of Duplex UNS S31803 fasteners?

Duplex UNS S31803 fasteners find various applications across various industries due to their exceptional properties. These fasteners are extensively used in oil and gas, chemical processing, marine, and offshore industries. Duplex UNS S31803 fasteners are commonly employed in critical applications such as pipelines, subsea equipment, and offshore platforms in the oil and gas sector. Their excellent resistance to corrosion and high mechanical strength make them well-suited for withstanding the harsh conditions encountered in these environments.

Duplex Stainless Steel S31803 Fasteners

In the chemical processing industry, these fasteners are utilized in equipment and structures exposed to corrosive chemicals and high temperatures. Similarly, in marine applications, Duplex UNS S31803 fasteners are preferred for their resistance to saltwater corrosion and ability to withstand the challenging conditions encountered in marine environments. The versatility, durability, and corrosion resistance of Duplex UNS S31803 fasteners makes them a reliable choice for critical applications where strength and resistance to corrosion are essential factors.

Manufacturing Process Of Duplex Steel S31803 Fasteners

Duplex Steel S31803 Bolts and Nuts Specification

Standard ASTM A479 / ASME SA479
Bolt / Screw Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Machine Screws Size M1.6 – M12
Self Tapping Screw Size No.2 – No. 14
Length 3 mm to 200 mm
Threads UNF, BSW, BSF, METRIC, UNC, or as required
Fasteners
  • DIN : DIN 934, DIN 931, DIN 970, DIN 933
  • UTS : UNEF, NPT, UNC, UNS, UNF, NPTF
  • ISO : JIS standards, ISO 4033, ISO 4032,
  • ANSI – American National Standards Institute
  • ASME B18.5
  • ANSI B 28.2.4 1M
  • as per defined in ASME B16.5 standard Stud Bolt length
  • ANSI B 18.2.4 2M
  • as per defined in ASME B18.2.2 Hex nuts
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Test Certificate as per EN 10204 / 3.1 Manufacturer Test Certificate
Additional Certifications PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Production Process M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC
Types Bolts, Nuts, Stud Bolts, Washers, Threaded Rod, Anchor Fasteners, Eye Bolt, Stud, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts etc.

Duplex Steel S31803 Fasteners Equivalent Grades

STANDARD WERKSTOFF NR. UNS
Duplex Steel 1.4462 S31803

Chemical Composition of Duplex Steel S31803 Fasteners

Grade C Mn Si P S Cr Mo Ni N Fe
S31803 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 22.0 – 23.0 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min

Mechanical Properties of Duplex Steel S31803 Fasteners

Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S31803 7.805 0.285 1420 – 1465 2588 – 2669

Types Of Duplex Steel S31803 Fasteners

Duplex Steel S31803 Nuts

Duplex Steel S31803 Nuts

Duplex Steel S31803 Bolts

Duplex Steel S31803 Bolts

Duplex Stainless Steel S31803 Screw

Duplex Stainless Steel S31803 Screw

Duplex S31803 Washers

Duplex S31803 Washers

Duplex UNS S31803 Stud Bolt

Duplex UNS S31803 Stud Bolt

Duplex S31803 Anchor Bolts

Duplex S31803 Anchor Bolts

Duplex Steel S31803 Threaded Rod

Duplex Steel S31803 Threaded Rod

Duplex Stainless Steel S31803 Heavy Hex Bolts

Duplex Stainless Steel S31803 Heavy Hex Bolts

Duplex Steel S31803 Hex Nuts

Duplex Steel S31803 Hex Nuts

Other Types Of Duplex Steel S31803 Fasteners

  • 1.4762 Fasteners
  • Duplex Stainless Steel S31803 Hex Head Bolts
  • Duplex Steel S31803 Screw
  • UNS S31803 Square Nuts
  • Duplex Steel S31803 Nut Bolt
  • Duplex UNS S31803 Machine Screws
  • UNS S31803 Fasteners
  • Duplex Steel S31803 Nuts
  • Duplex Steel S31803 Fasteners
  • S31803 Duplex Stainless Steel Fasteners
  • Duplex Steel S31803 Bolts
  • ASTM A479 Duplex Stainless Steel S31803 Washers
  • Duplex Stainless Steel S31803 U Bolts
  • Duplex S31803 Bolts Nuts
  • Duplex S31803 Bolts and Nuts
  • DSS S31803 Self Locking Nuts
  • Duplex Steel S31803 Flat Washer
  • Duplex Steel S31803 U Bolts
  • Duplex Steel S31803 Hex Bolt
  • ASTM A479 DSS S31803 Coupling Nuts
  • Duplex Steel S31803 Allen Cap Screw
  • S31803 Duplex Stainless Steel Screw
  • Duplex Steel S31803 Industrial Fasteners
  • DSS S31803 Spring Washer
  • 1.4762 Nuts And Bolts
  • Duplex S31803 Heavy Hex Nuts
  • Duplex S31803 Plain Washer
  • Duplex Stainless Steel S31803 Wing Nuts
  • DSS S31803 Ogee Washer
  • Duplex Stainless Steel S31803 Double Ended Studs

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UNS S31803 Fasteners Price, Dimension, Weight

Duplex S31803 Fasteners Industrial Application

Oil & Gas Industry

Oil & Gas Industry

Chemical Industry

Chemical Industry

Power Generation Industry

Power Generation Industry

Construction Industry

Construction Industry

Shipbuilding Industry

Shipbuilding Industry

Automotive Industry

Automotive Industry

Food Industry

Food Industry

Textile Industry

Textile Industry

Export & Supply Destination of Duplex Steel S31803 Fasteners

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