Duplex Steel S31803 Fasteners Supplier & Exporter

Duplex Steel S31803 Fasteners


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Duplex UNS S31803 Fasteners
We Nandishwar Steel is the recognized as manufacturer, exporter, and supplier of Duplex UNS S31803 Fasteners. Being a reliable firm we aim to satisfy the needs and requirements of the patrons. However, we offer our best quality standard product at a cost-effective price. The manufacturing of these fasteners begins with the use of high quality of raw material purchased from the reputed merchants of the industry. Moreover, we use the art of machinery and the latest technology to obtain the standard product.

We supply the product in a comprehensive range, shapes, size, and dimensions in compliance with the needs and constraints mention by the customers. Our product founds its utility in various industrial applications. These are highly admired by our esteem patrons due to its attributes and feature it having.

Product description
Duplex Stainless Steel S31803 Fasteners are two-phase austenitic, ferritic steel fasteners that constitute molybdenum, nickel an chromium content in small margin. These alloy of fasteners features good fatigue and high yield strength. Therefore these range of fasteners demonstrate both characteristics of ferritic and austenitic stainless steels. The fasteners demonstrate superb resistance to crevice, stress corrosion cracking and pitting corrosion in severe atmospheres. Furthermore, these excellently resist the chloride a sulfide stress corrosion environments.

The machining of these fasteners is done either with high speed or carbide tooling. Furthermore, these are hot worked at a temperature range of 954-1149 degree C whereas the cold worked is performed by means of standard methods.

Testing details
The products are stringently examined and tested under the supervision of the test controllers to check the quality and accuracy of the product. Such test is like flattening test, pitting resistance test, hardness test, flaring test, mechanical test, PMI test, micro, and macro test. Further other test is an ultrasonic test, radiography test, third-party inspection report, and IGC test.

Packaging details
With the high-quality packaging material, our products are properly packed that assure no damage and scratches throughout transportation. The products are packed in wooden pallets, boxes, cartons, and cases. We also pack the products in accordance with the customer’s requisite. At last, we marked the products with the size, grade, logo, lot no. and other product details.

How are 2205 duplex stainless steel bolts manufactured?

2205 duplex stainless steel bolts are some of the most reliable fastenings used in a variety of industries, from construction to manufacturing. The process for their manufacture involves melting down 2205-grade stainless steel in an open furnace. Workers then take molten metal and pour it into special molds and dies preformed with the shape of 2205 bolts. After this initial step, the 2205 bolts are cooled to harden them properly so they can maintain optimal tensile strength before being polished and shipped off for assembly. Quality checks are performed throughout the manufacturing process to ensure buyers get a product that meets their standards and expectations.

What are the benefits of using S31803 duplex stainless steel fasteners?

S31803 duplex stainless steel fasteners offer a variety of benefits that increase their value as a choice for many applications. Most notably, S31803 duplex fasteners are highly corrosion-resistant and feature excellent mechanical strength, making them an ideal choice for demanding and extreme environments. S31803 duplex fasteners also provide an incredibly long service life, in some cases double the life span of standard-grade stainless steel fasteners. Furthermore, S31803 fasteners can be used effectively at temperatures that range from subzero to high temperatures without any loss of performance characteristics or integrity. As a result, these fasteners offer a unique combination of properties that make them particularly valuable in various industrial applications.


Standard : DIN, ASTM, BS and all International Standards

Size : 3 mm to 200 mm

Bolt / Screw Size : M3 - M56 | 3/6" to 2" | Custom Sizes

Nuts Size : M3 - M56 | 3/6" to 2" | Custom Sizes

Washers Size : M1 - M64 | #4 to 3" | Custom Sizes

Length : M02 to M33

Types : Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U-Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts.

Duplex Steel S31803 Fasteners Equivalent Grades

Duplex Steel S31803 1.4462 S31803

UNS S31803 Fastener Chemical Composition

Grade C Mn Si P S Cr Mo Ni N Fe
Duplex Steel S31803 0.030 max 1.20 max 0.80 max 0.035 max 0.020 max 24.00 – 26.00 3.00 – 5.00 6.00 – 8.00 0.24 – 0.32 58.095 min

Duplex Steel 2205 Fasteners Mechanical Properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Duplex Steel S31803 7.9 g/cm3 1402 °C (2555 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40 %

Other grades of Duplex Steel UNS S31803 Fasteners

»  Duplex Steel S31803 Nuts
»  Duplex Steel S31803 Bolts
»  Duplex Steel S31803 Screw
»  Duplex Steel S31803 Washer
»  Duplex Steel S31803 Studs
»  S31803 Duplex Steel Square Nut
»  Duplex Steel S31803 Fastener
»  Duplex 1.4462 Fasteners Stockist
»  S31803 Duplex Steel Machine Screw
»  Duplex S31803 Socket Head Cap Screw
»  Duplex Steel S31803 Wing Screw Supplier
»  Duplex Stainless Steel S31803 Coupling Nuts
»  SAF 2205 Duplex Allen Cap Screw Wholesaler
»  Duplex S31803 Split Lock Washers

»   S31803 Duplex Industrial Fasteners
»  Duplex 2205 T-Head Bolts Manufacturer
»  Duplex S31803 Eye Bolt Exporter
»   Duplex Steel S31803 Hex Nuts
»  S31803 Duplex Steel Cap Nuts
»  S31803 Duplex Ogee Washers
»  Duplex S31803 Slotted Nuts
»  Ferritic Stainless Steel S31803 U Bolts
»  S31803 Duplex Cap Screw Suppliers
»  Duplex 2205 Socket Hexagon Head Screw
»  Duplex Steel S31803 Pan Head Screw
»  S31803 Duplex Steel T-Head Bolts
»  Duplex S31803 Stud Bolts
»  Duplex Steel 2205 Machine Screws

Products Range