UNS NO32750 (F53) Angles and Channels
UNS S32750, also called Super Duplex F53, is a premium stainless steel alloy that combines high mechanical strength with exceptional corrosion resistance. Rose Metal Industries is a trusted manufacturer, stockist, and exporter of F53 angles and channels, serving key industrial regions such as Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry (Pondicherry), and the Andaman & Nicobar Islands, as well as global markets. These structural profiles are designed to perform reliably in harsh chemical, marine, and offshore environments...
F53 angles and channels are widely used in offshore platforms, chemical processing plants, desalination facilities, power plants, and marine construction. Their dual-phase microstructure provides excellent resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. Typical applications include structural supports, braces, platforms, railings, and fabricated frames in industrial, marine, and coastal installations, making them ideal for projects that demand high durability and long-term reliability...
 Angles and Channels.jpg)
Rose Metal Industries supplies UNS S32750 angles and channels according to international standards such as ASTM A276 / A479 and EN 1.4410. Available in various sizes, thicknesses, and lengths, these products can be customized to suit specific project requirements. Surface finishes include pickled, polished, and bright annealed, ensuring enhanced corrosion resistance and visual appeal for both industrial and architectural applications..
The chemical composition of F53 angles and channels is designed for optimal corrosion resistance and mechanical strength. Typical composition includes 24–26% Chromium, 6–8% Nickel, 3–5% Molybdenum, and 0.24–0.32% Nitrogen, with carbon content ≤0.03% to prevent sensitization during welding. Elements such as Manganese, Silicon, Phosphorus, and Sulfur are controlled to maintain toughness, durability, and structural integrity under aggressive chemical and marine conditions...
Specifications & Standards
| Property | Typical / Standard |
|---|---|
| Grades | UNS S32750 / ASTM A182 F53 / EN 1.4410 |
| Standards | ASTM A276, ASTM A479, EN 1.4410, ASME/UNS |
| Forms | Angles, Channels, Structural Profiles |
| Surface Finish | Pickled, Polished, Bright Annealed |
| Testing | Dimensional, Tensile, Hardness, PMI, MTC |
Chemical Composition (typical ranges)
| Element | F53 / UNS S32750 (wt %) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Chromium (Cr) | 24–26 |
| Nickel (Ni) | 6–8 |
| Molybdenum (Mo) | 3–5 |
| Nitrogen (N) | 0.24–0.32 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.02 |
Mechanical Properties (typical)
| Property | Typical Value | Notes |
|---|---|---|
| Tensile Strength (UTS) | 795–800 MPa | Depends on product size |
| Yield Strength | 550 MPa | High load-bearing capacity |
| Elongation | ≥15% | Good ductility |
| Hardness | Up to 310 HB | Varies with treatment |
Dimension Chart — Angles & Channels (Common Sizes)
| Profile | Size Range (mm) | Length (mm) | Tolerance |
|---|---|---|---|
| Angles | 20×20 to 200×200 | 1000–6000 | ±0.5–1.0 mm |
| Channels | 30×15 to 300×100 | 1000–6000 | ±0.5–1.5 mm |
Typical Applications
- Offshore platforms and marine structures
- Chemical and petrochemical plant fabrication
- Desalination and water treatment plants
- Power plant structural supports
- Coastal construction and heavy industrial frameworks
- High-strength, corrosion-resistant fabrication projects
F53 angles and channels offer tensile strength of 795–800 MPa, yield strength around 550 MPa, elongation ≥15%, and hardness up to 310 HB. These mechanical properties make them suitable for high-pressure, heavy-load structural applications. Equivalent grades include ASTM A182 F53 / UNS S32750 and EN 1.4410, ensuring that the products meet global standards for industrial and offshore projects..
Rose Metal Industries caters to both domestic and international markets, supplying UNS S32750 angles and channels to industries across Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry (Pondicherry), and the Andaman & Nicobar Islands, as well as export markets worldwide. The company offers mill test certificates (MTC), third-party inspection, and custom solutions, providing customers with high-quality, ready-to-use angles and channels for marine, offshore, chemical, and industrial infrastructure projects...
Frequently Asked Questions (FAQ)
Q1: What is the difference between UNS S32750 and standard stainless steel?
A: UNS S32750 is a super duplex stainless steel offering higher corrosion resistance, strength, and pitting resistance than standard austenitic stainless steels like 304 or 316.
Q2: Do you provide mill test certificates (MTC)?
A: Yes, Rose Metal Industries provides MTCs along with third-party inspections and PMI/chemical analysis on request.
Q3: What standards do your angles and channels comply with?
A: Our products comply with ASTM A276 / A479 and EN 1.4410 standards, ensuring global quality and reliability.
Q4: Can you supply custom sizes and finishes?
A: Yes, we provide cut-to-length, polished, bright annealed, and customized tolerances as per customer specifications.
Q5: What industries are UNS S32750 angles and channels used in?
A: They are ideal for offshore, chemical, marine, desalination, power, and coastal infrastructure projects.