High-Performance Cold Rolled Coils · Precision Dimensional Accuracy · Structural Corrosion Resistance · Global Logistics
HRS Ferritic is a specialist all-steel stainless and alloy business recognized for its high-performance cold-rolled (CR) coils that are suitable for industrial applications. As a dependable IRS350 CR Coils AISI IRS350 CR Coils Supplier, Stockist and importer, we offers material from highly regarded and certified producers that comply with strict quality and dimensional requirements. With a strong inventory control system, technological know-how, and a global logistics service, we deliver a consistent supply of high-quality and on-time products across all industries.
IRS350 CR Coils, also called IRS350 AISI CR Coils, are stainless steel cold rolled coils designed to provide an array of strength, formability and resistance to corrosion. The cold rolling process enhances the surface finish, dimensional precision and mechanical properties, making these coils suitable for precise fabrication and structural applications. They are commonly used where controlled size, smooth finishing and high-quality performance are needed.
Key elements that define the structural integrity and performance of IRS350 cold-rolled material.
Compliance with international structural stainless steel standards.
| Specification | Details |
|---|---|
| UNS | No official UNS code |
| EN | Structural stainless steels per EN10088‑2 (no single number) |
| DIN | Structural stainless equivalents |
| ISO | Structural stainless family (ISO structural SS, no single number) |
| JIS | Structural stainless equivalents |
| 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 |
Precision sheets, heavy plates, shim sheets available in various grades.
Slitting coils, perforated coils, thin foils from 0.05 mm.
Circles, rings, custom-cut blanks, chequered (tread) plates.
Mill edge, slit edge, round edge, and square edge configurations.
10.5 – 12.0% — Essential for atmospheric corrosion resistance.
≤ 0.08% — Balanced for optimal strength and forming.
≤ 1.2% — Improves structural toughness and hardenability.
≤ 1.0% — Maintains stability during processing steps.
350 – 480 MPa — Designed for high-strength structural use.
≥ 220 MPa — Reliable performance under structural loads.
≥ 20% — Good ductility for complex fabrication.
≤ 190 HB — Consistent surface and core quality.
Comprehensive range of processing options to meet industrial needs.
Strict compositional control ensures the perfect balance between structural strength and environmental resistance.
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 1.2 |
| Chromium (Cr) | 10.5 – 12.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.03 |
| Iron (Fe) | Balance |
Global structural stainless steel designations corresponding to IRS350.
| Standard | Grade |
|---|---|
| Indian Railways / RDSO (India) | IRS350CR |
| ASTM A1010 / ASME A1010M (USA) | A1010 SS high‑strength structural stainless |
| ASTM A709 / ASME A709M (USA) | Grade 50CR (structural corrosion‑resistant) |
| ASTM A480 / ASME A480M (USA) | Structural stainless plate general requirements |
| UNS (USA) | (No official UNS code; aligned with structural systems) |
| EN (Europe) | Structural stainless steels per EN10088‑2 |
| DIN (Germany) | Structural stainless equivalents (aligned via EN) |
| BS (United Kingdom) | Structural stainless equivalents |
| JIS (Japan) | Structural stainless equivalents |
| ISO (International) | Structural stainless family (ISO structural SS) |
| Comparable Ferritic/Martensitic SS | 409M / 430 / 436L / 441 (references) |
| Comparable Railway Grade | IRS450CR (higher strength variant) |
HRS Ferritic is a quality-driven company specializing in cold-rolled and ferritic steel items used in industrial applications. Trusted worldwide for authentic, technical background and a customer-focused supply chain.
Quick answers to common queries about IRS350 CR Coils.