High-Strength Structural Stainless Steel · Superior Mechanical Properties · Precision Cold Rolled · RDSO Approved Standards
HRS Ferritic is a specialist in stainless steel as well as alloy steel manufacturer, catering to industries that require precision, strength and reliability. With a concentration on ferritic and cold rolling (CR) steel grade and a strong focus on cold rolled steel, the company has positioned itself as a reputable IRS450 CR Coils AISI IRS450 CR Coils supplier, stockist and importer.
IRS450 CR Coils are high-strength, stainless steel coils that are cold rolled, specifically designed to give you superior mechanical properties when compared with lower-grade CR materials. The "450" designation indicates greater yield and tensile strength.
The precise balance of alloying elements ensures consistent mechanical performance and atmospheric corrosion resistance.
Conforming to RDSO and International structural standards.
| Specification | Details |
|---|---|
| UNS | No official UNS code |
| EN | Structural stainless steels per EN10088 |
| DIN | Structural stainless equivalents |
| ISO | Structural stainless family |
| JIS | Structural stainless equivalents |
| Product Form | Coils / Plates / Sheets |
| Thickness Range | 0.5 mm to 100 mm |
| Standard Widths | 1000, 1219, 1250, 1500, 1800, 2000, 2500, 3000, 3500 mm |
| Standard Lengths | 2000, 2440, 2500, 3000, 5800, 6000 mm |
| 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 |
Precision-rolled coils and slitting coils for structural manufacturing.
Cut-to-length sheets from coils in various thickness options.
Heavy plates for load-bearing and structural infrastructure.
Precision custom-slit widths and thin foils from 0.05 mm.
10.5–12.5% — Essential for structural corrosion protection.
≤ 0.08% — Balanced level for high tensile strength.
≤ 1.2% — Enhances toughness and structural integrity.
Balance — Strong matrix for railway and transport applications.
450–620 MPa — Superior performance for high-load environments.
≥ 280 MPa — Excellent load-bearing capabilities.
≥ 18% — Good formability and ductility for fabrication.
≤ 210 HB — Optimized for structural durability.
Various processing conditions to meet your specific industrial requirements.
Refined grain structure and balanced composition ensure reliable performance in tough manufacturing environments.
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 10.5 – 12.5 |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 1.2 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.03 |
| Iron (Fe) | Balance |
Aligned with structural stainless steel categories across global standards.
| Standard / Country | Equivalent Grade / Designation |
|---|---|
| RDSO (India) | IRS450CR |
| ASTM (USA) | A1010 / A709 Grade 50CR |
| UNS (USA) | Structural SS categories |
| EN (Europe) | EN 10088 structural family |
| DIN (Germany) | Structural stainless equivalents |
| BS (UK) | Structural SS equivalents |
| JIS (Japan) | Structural SS equivalents |
| ISO | Structural stainless family |
| Railway Grade | IRS350CR (lower yield variant) |
| Structural Ferritic | 409M / 430 / 436L / 441 |
HRS Ferritic is a quality-driven steel company specialized in ferritic and cold-rolled stainless steel. With its technical know-how, solid source, and unwavering commitment to service, we provide reliable materials around the world. Trusted for high-strength applications in railways and heavy transport structures.
Quick answers to common queries about IRS450 CR Coils.