Caliber enterprise is a top Duplex Steel Fasteners Supplier In Saudi Arabia specializing in high performance fastening solutions to industries that demand superior corrosion resistance and mechanical strength. Duplex Steel Fasteners is produced with an equal microstructure of austenitic and ferritic stainless steel that offers maximum resistance towards pitting, stress corrosion cracking and chloride environments. These fasteners are mainly applied in offshore platforms, desalination plants, processing industries that handle chemicals, and marine where reliability and durability are the key considerations.
Such materials are usually procured by industrial buyers using trusted B2B marketplaces, which guarantee certified materials and trusted supply chains used in large-scale engineering projects. Most of the heavy-duty applications demand thick fastening items such as Alloy steel fasteners that are commonly utilized in building, pressure vessel, and structural assembly where high tensile strength and its long-term service is a must.
Specialized industry applications also have the use of advanced corrosion-resistant fasteners based on the conditions of operation. Hastelloy Fasteners are utilized in the chemical processing industries with the greatest number of corrosion since the material has excellent resistance to acids and attack chemicals. On the same note, Incoloy Fasteners finds application in the high temperature facilities like power plants and heat exchangers because it has superior oxidation and thermal stress resistance. Suppliers are credible Duplex Steel Fasteners Dealer In Saudi Arabia and therefore they guarantee uniform quality, accurate production and international engineering standards.
Material & Grades of Duplex Steel Fasteners
Duplex Steel Fasteners are produced in various grades that combine high strength with excellent corrosion resistance. These materials are ideal for industries such as offshore oil & gas, petrochemical plants, marine engineering, and desalination facilities where exposure to aggressive environments is common.
| Material | Grade / Standard | Specification | Type | Applications |
|---|---|---|---|---|
| Duplex Steel | UNS S31803 | ASTM A182 / A479 | Bolt / Nut | Offshore structures |
| Duplex Steel | UNS S32205 | ASTM A276 | Stud Bolt | Marine equipment |
| Duplex Steel | Super Duplex S32750 | ASTM A479 | Fasteners | Chemical processing |
| Duplex Steel | Super Duplex S32760 | ASTM A182 | Bolt | Desalination plants |
| Duplex Steel | Duplex 2205 | ASTM A276 | Nut / Bolt | Oil & Gas industries |
Key Features & Advantages
- Excellent resistance to corrosion and chloride environments
- High tensile strength and durability
- Strong resistance to stress corrosion cracking
- Suitable for marine and offshore applications
- Good weldability and fabrication properties
- Long service life in aggressive industrial environments
- Reliable performance in high-pressure applications
Chemical Composition (Example: Duplex 2205)
| Element | Percentage (%) |
|---|---|
| Chromium (Cr) | 21.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Manganese (Mn) | 2.0 max |
| Silicon (Si) | 1.0 max |
| Carbon (C) | 0.03 max |
| Nitrogen (N) | 0.08 – 0.20 |
Mechanical Properties (Example: Duplex 2205)
| Property | Value |
|---|---|
| Tensile Strength | 620 MPa (min) |
| Yield Strength | 450 MPa (min) |
| Elongation | 25% (min) |
| Hardness | 290 HB (max) |
Equivalent Grade
| Standard | Grade |
|---|---|
| ASTM | S31803 / S32205 |
| UNS | S32205 |
| EN | 1.4462 |
| DIN | X2CrNiMoN22-5-3 |


