High-Performance Ferritic Stainless Steel Coils · Titanium Stabilized · Excellent Oxidation Resistance · Superior Stress Corrosion Cracking Resistance · Cost-Effective
HRS Ferritic is a leading manufacturer and global supplier of high-quality ferritic stainless steel products. With a strong presence as a trusted SS 439 Coils / AISI 439 Coils Supplier, SS 439 Coils Stockist, and SS 439 Coils Importer, we offer materials sourced from valuable and certified mills that meet international quality standards. Our expertise lies in delivering corrosion-resistant, cost-effective, and application-specific stainless steel solutions for diverse industries worldwide.
SS 439 Coils / AISI 439 Coils are ferritic stainless steel coils stabilized with titanium, offering excellent resistance to corrosion, oxidation, and stress corrosion cracking. This grade contains low carbon content, which improves weldability and prevents intergranular corrosion. The addition of titanium stabilizes carbon and nitrogen, preventing carbide precipitation during welding or high-temperature exposure.
The specific combination of elements in SS 439 ensures optimized durability and thermal stability.
ASTM A240 · UNS S43900 · EN 1.4512 · JIS SUS 439
| Specification | Details |
|---|---|
| ASTM / AISI | ASTM A240 / AISI 439 (Plate, Sheet, and Strip) |
| UNS | UNS S43900 |
| EN | EN 1.4512 |
| DIN | 1.4512 |
| ISO | ISO X2CrTi12 |
| JIS | SUS 439 |
| Product Form | Coils / Plates / Sheets |
| Thickness Range | 0.5 mm to 100 mm |
| Standard Widths | 1000 mm, 1219 mm, 1250 mm, 1500 mm, 1800 mm, 2000 mm, 2500mm, 3000mm, 3500mm, etc |
| Standard Lengths | 2000 mm, 2440 mm, 2500 mm, 3000 mm, 5800 mm, 6000mm, etc |
| Custom Width Cut | Available as per customer requirement |
| Custom Length Cut | Available as per customer requirement |
| Surface Finish | Hot Rolled (HR), Cold Rolled (CR), Annealed & Pickled (AP) |
| Supply Condition | Solution Annealed |
| Cutting Methods | Plasma, Laser, Waterjet, Oxy Propane |
| Packaging | Bundled, Wooden Plates, Bubble wraps, Customized |
High-quality 439 coils in multiple dimensions and finishes for industrial use.
Structural and heavy plates available in standard and custom thicknesses.
Precision slitting coils and thin foils from 0.05 mm thickness.
Circles, rings, and custom-cut blanks tailored to customer requirement.
17.0 – 19.0% — High content for enhanced corrosion and oxidation resistance.
≤ 0.03% — Low carbon levels to maintain weldability and corrosion resistance.
≤ 1.0% — Improves toughness and hot working properties.
Stabilized — Essential for binding carbon and preventing intergranular corrosion.
410 – 550 MPa — Solid structural integrity for challenging applications.
≥ 205 MPa — Reliable performance in fabrication and forming.
22% — Balanced ductility for bending and mechanical shaping.
≤ 200 HB — Optimized for balanced machinability and durability.
As a top AISI/SS 439 Coils Importer and stockist, we maintain various finishes for immediate delivery.
Titanium stabilization prevents carbide precipitation during welding, ensuring durability in high-temperature environments.
| Element | Percentage (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Chromium (Cr) | 17.0 – 19.0 |
| Titanium (Ti) | Stabilized |
| Manganese (Mn) | ≤ 1.00 |
| Silicon (Si) | ≤ 1.00 |
Global metallurgical designations for SS 439 across all major standards.
| Standard / Country | Equivalent Grade / Designation |
|---|---|
| AISI (USA) | 439 |
| UNS (USA) | S43900 |
| ASTM | A240 Type 439 / A276 Type 439 |
| EN (Europe) | 1.4512 |
| DIN (Germany) | X2CrTi12 |
| BS (UK) | 439S17 |
| JIS (Japan) | SUS 439 |
| ISO | X2CrTi12 |
| AFNOR (France) | Z10CN19-11 |
| GOST (Russia) | 08Х17Т |
| UNI (Italy) | X2CrTi12 |
| SS (Sweden) | 2333 |
| KS (Korea) | STS 439 |
| IS (India) | 439 |
HRS Ferritic stands for quality, reliability, and performance in ferritic stainless steel products. With a strong global network and customer-centric approach, we are your dependable SS 439 Coils / AISI 439 Coils Importer and Supplier.
Quick answers to common queries about SS 439 Coils / AISI 439 Coils.