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Duplex Steel Fasteners

Duplex Steel Fasteners

Industries utilize fasteners frequently because they seek to connect the two joints temporarily. The buckles are physical components that mechanically connect the two items or units. In general, these fasteners provide a non-permanent junction that may be removed whenever necessary without harming the other members of the teams. Closing containers like boxes, trash bags, and others is another appropriate use of fasteners. One of the best and most premium materials on the market, duplex steel is utilized to create high-quality fasteners. Due to their two-phase microstructure with ferritic and austenitic stainless steel grains, they are called “Duplex” metals. These two alloys are perfectly balanced and blended in the grade.
When it comes to its characteristics, Duplex Steel Fasteners show a variety of general and mechanical parts. Some features include good toughness, high flexibility, exceptional stress crack corrosion resistance, good crevice corrosion resistance, and excellent corrosion resistance. Businesses that export duplex steel fasteners to other countries are renowned for providing high-quality goods in adequate packaging. Large crates and pallets are used to pack the pins, which are then wrapped in poly bags for additional protection. Additionally, the industries provide the product with the necessary shipping documentation. Along with Duplex Fasteners, the industries give MTC reports, third-party inspection reports, raw material certificates, and other reports.

Duplex Steel Fasteners Specifications

Specifications : ASTM A479 / ASME SA 479
Standard : DIN, ASTM, BS and all International Standards
Length : 3 mm to 200 mm
Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Machine Screws Size : M1.6 – M12
Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Type : 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 Fasteners Equivalent Grades

STANDARD UNS WERKSTOFF NR. AFNOR EN JIS BS GOST
Duplex Steel S31803
S31803
1.4462
-
-
-
-
-
Duplex Steel S32205
S32205
1.4462
-
-
-
-
-

Duplex Steel Fasteners Chemical Composition

Grade Ni Cr N C Mn P S Si Mo Fe
Duplex Steel S31803
4.5 – 6.5
22 – 23
0.14 – 0.2
0.030 max
2.0 max
0.030 max
0.02 max
1 max
3 – 3.5
-
Duplex Steel S32205
4.50 – 6.50
21.0 – 23.0
0.08 – 0.20
0.030 max.
2.00 max.
0.030 max.
0.020 max.
1.00 max.
2.50 – 3.50
63.54 min

Mechanical Properties of Duplex Steel Fasteners

Grade Density Melting Point Tensile Strength Yield Strength Elongation
Duplex Steel S31803/S32205
7.8 g/cm3
1440 °C (2625 °F)
Psi – 90000 , MPa – 620
Psi – 65000 , MPa – 450
30 %

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