HRS Ferritic · Stainless Steel 321 Coils Exporter, Supplier & Stockist
321 Stainless Steel Coils
AISI 321 Coils
Excellent resistance to intergranular corrosion · High oxidation and scaling resistance · Superior weldability and formability · Good mechanical properties and strength at high temperatures
ASTM A240 / AISI 321
UNS S32100
EN 1.4541
SUS 321
📋 Table of Contents
HRS Ferritic · Trusted Global Supplier
What are 321 Stainless Steel Coils?
321 stainless steel coils are austenitic stainless steel alloys that include titanium, providing exceptional resistance to intergranular corrosion. Unlike standard 304 stainless steel, 321 contains titanium, which stabilizes the structure and minimizes the risk of sensitization at high temperatures. This alloy offers excellent resistance to oxidation, scaling, and corrosion in high-temperature environments. HRS Ferritic is a trusted and leading 321 stainless steel Coils Supplier, Stockist, and Importer in India, offering high-quality stainless steel coils sourced from globally certified manufacturers.
- Excellent resistance to intergranular corrosion
- High oxidation and scaling resistance at elevated temperatures
- Superior weldability and formability
- Good mechanical properties and strength at high temperatures
- Long service life in harsh environments
- Ideal for high-temperature and pressure applications
PremiumQuality
Working Mechanism
How 321 Stainless Steel Coils Work
321 stainless steel coils function by forming a protective oxide layer when exposed to oxygen, preventing further corrosion. The titanium content in 321 stainless steel ensures that the material is stable at elevated temperatures, preventing carbide precipitation and maintaining structural integrity.
17-19%
Chromium Content
9-12%
Nickel Content
≥ 515
Tensile MPa
0.5-100
Thickness (mm)
Composition Analysis
Metallurgical Characteristics of 321 Stainless Steel Coils
Key alloying elements that contribute to the high-temperature stability and corrosion resistance of Grade 321.
Cr
Chromium
Enhances corrosion resistance and forms the passive oxide layer.
Ni
Nickel
Improves toughness and ductility of the stainless alloy.
Ti
Titanium
Stabilizes the structure, preventing carbide precipitation at high temperatures.
C
Carbon
Controls strength and hardness of the stainless steel coil.
Fe
Iron
Provides the fundamental structural integrity of the metal.
Mn
Manganese
Improves toughness and workability during fabrication.
Technical Data
Specifications for 321 Stainless Steel Coils
ASTM A240 · ASME SA240 · UNS S32100 · EN 1.4541
| Specification | Details |
|---|---|
| ASTM / ASME | ASTM A240 / ASME SA240 (Plate, Sheet, Strip, and Coils) |
| UNS | UNS S32100 |
| EN | 1.4541 / X6CrNiTi18‑10 |
| DIN | 1.4541 / X6CrNiTi18‑10 |
| ISO | X6CrNiTi18‑10 |
| JIS | SUS 321 |
| Product Form | Coils / Sheets / Plates |
| 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 |
| 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 |
Inventory
Available Stock & Product Forms
Flat Products
Precision sheets, heavy plates, and shim sheets available in various specifications.
Coils & Strips
Slitting coils, perforated coils, and thin foils from 0.05 mm thickness.
Specialty Forms
Circles, rings, custom-cut blanks, and chequered plates tailored to your needs.
Edge Types
Mill edge, slit edge, round edge, and square edge conditions available.
Chromium (Cr)
17.0–19.0% — Vital for high-temperature corrosion resistance.
Nickel (Ni)
9.0–12.0% — Enhances structural toughness and ductility.
Titanium (Ti)
≥ 5×C — Stabilizing element that prevents carbide precipitation.
Carbon (C)
≤ 0.08% — Carefully controlled to ensure strength and weldability.
Tensile Strength
≥ 515 MPa — Excellent high-temperature structural performance.
Yield Strength
≥ 205 MPa — Reliable load-bearing capacity for pressure applications.
Elongation
≥ 40% — Superior formability for complex industrial components.
Hardness
≤ 217 HB — Optimized hardness for long-lasting performance.
Product Range
Types of 321 Stainless Steel Coils
Available in multiple industrial grades and finishes for specialized needs.
Hot Rolled Stainless Steel 321 Coils
Cold Rolled Stainless Steel 321 Coils
Polished Stainless Steel 321 Coils
Slit SS 321 Coils
Industrial Grade SS 321 Coils
Application Sectors
Industries We Serve
Sugar Industry
Global cane and beet processing requiring thermal endurance.
Power Industry
Electricity generation and distribution systems.
Ship Building
Marine propulsion and exhaust components.
Mechanical & Plant Engineering
Industrial machinery design solutions.
Food, Beverage & Dairy
Processed food manufacturing environments.
Oil & Gas Plant
Refinery furnace units and burner assemblies.
Chemical Composition
Chemical Details of 321 Stainless Steel Coils
Composition table showcasing the titanium-stabilized structure of Grade 321.
| Element | Composition (% by Weight) |
|---|---|
| Carbon (C) | ≤ 0.08 % |
| Chromium (Cr) | 17.0 – 19.0 % |
| Nickel (Ni) | 9.0 – 12.0 % |
| Titanium (Ti) | ≥ 5×C, ≤ 0.70 % |
| Manganese (Mn) | ≤ 2.00 % |
| Silicon (Si) | ≤ 0.75 % |
| Phosphorus (P) | ≤ 0.045 % |
| Sulfur (S) | ≤ 0.030 % |
| Nitrogen (N) | ≤ 0.10 % |
| Iron (Fe) | Balance (remaining % to 100 %) |
Performance Data
Mechanical Properties of 321 Stainless Steel Coils
≥ 515
Tensile Strength
MPa — Minimum Ultimate Tensile Strength (Rm)
≥ 205
Yield Strength
MPa — 0.2% Offset Yield Strength (Rp₀.₂)
≥ 40%
Elongation
Excellent elongation at break for fabrication
≤ 217 HB
Brinell Hardness
Maximum Brinell Hardness (HBW) for toughness
≈ 193 GPa
Elastic Modulus
Modulus of Elasticity (E) for industrial loads
≥ 50%
Area Reduction
Significant reduction of area for durability
Cost Information
Price List for 321 Stainless Steel Coils
Price Factors
What affects the 321 Coils price?
- Raw material price fluctuations
- Coil thickness and width
- Surface finish requirements
- Market demand and supply conditions
- Import and logistics costs
- Order volume and custom specifications
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Get A Quote!
Competitive rates · High quality · Global delivery
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International Standards
Equivalent Grades for 321 Stainless Steel Coils
Cross-reference table for international designations of 321 coils.
| Standard / Region | Equivalent Designation |
|---|---|
| ASTM / AISI (USA) | 321 |
| UNS (Unified Numbering System) | S32100 |
| EN / DIN (Europe / Germany) | 1.4541 / X6CrNiTi18‑10 |
| BS (British Standard) | 321S31 |
| JIS (Japan) | SUS321 |
| GB / China | 06Cr18Ni11Ti |
| ISO (International) | X6CrNiTi18‑10 |
| IS (India) | X04Cr18Ni10Ti20 |
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Ready Stock Availability
- Flat Products: Precision sheets, heavy plates, shim sheets
- Coils & Strips: Slitting coils, perforated coils, thin foils (from 0.05 mm)
- Speciality Forms: Circles, rings, custom-cut blanks, chequered plates
- Edge Conditions: Mill edge, slit edge, round edge, square edge
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Quality & Logistics
- Testing: PMI, Ultrasonic Testing (UT), Radiography (RT), corrosion testing
- Certification: EN 10204 3.1 / 3.2, NACE compliance on request
- Global Supply: USA, UAE, Saudi Arabia, Singapore, Indonesia, Europe
- Export Grade: ISPM-15 fumigated wooden crates, moisture-protected packaging
Use Cases
Applications of 321 Stainless Steel Coils
✈️ Aerospace
Used in aircraft components exposed to high temperatures and stress.
⛽ Oil & Gas
Ideal for pipelines and processing units subjected to extreme conditions.
🌾 Fertilizer Industry
Resistant to aggressive chemicals and high industrial temperatures.
⚡ Electric & EV
Used in electrical components and energy storage systems like EV batteries.
🏗️ Construction
Used for structures and infrastructure exposed to corrosive environments.
🧪 Chemical Processing
Ideal for handling corrosive and high-temperature industrial fluids.
🚗 Automotive
Used in exhaust systems, heat exchangers, and high-heat components.
💊 Pharmaceuticals
Ensures contamination-free environments in sterile high-temperature applications.
Why HRS Ferritic
Why Choose HRS Ferritic for 321 Coils?
HRS Ferritic is dedicated to delivering high-performance stainless steel solutions. As a trusted 321 stainless steel Coils Supplier and Stockist, we offer high-quality materials sourced from globally certified manufacturers, ensuring durability and performance for a wide range of industrial applications.
Leading 321 stainless steel Coils Supplier in India
Trusted Stockist with a large ready inventory
Reliable Importer sourcing certified high-quality materials
Competitive pricing with consistent global quality
Fast delivery and comprehensive global logistics support
Customized solutions tailored for industrial needs
Complete testing and certification documentation
Expert technical support for critical projects
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Cities We Supply In India
New Delhi · Ahmedabad · Jaipur · Surat · Salem · Gandhinagar · Varanasi · Haldia ·
Bhiwandi · Tiruppur · Jamnagar · Thiruvananthapuram · Rajahmundry · Visakhapatnam · Bhubaneswar ·
Vijaywada · Rajkot · Bharuch · Coimbatore · Nagpur · Raipur · Cochin · Ludhiana · Panipat · Durgapur ·
Agra · Indore · Kuala Lumpur · Al Jubail · Pimpri-Chinchwad · Sharjah · Karachi · Chandigarh · Bogota · Muscat · Madrid · Tehran · Granada · Jakarta · Los Angeles · Rio de Janeiro · Melbourne · Cairo · New York · Busan · Milan · Montreal · Singapore · Sydney · Dubai · Lagos · Gurgaon · Port-of-Spain · Hong Kong · Navi Mumbai · Secunderabad · Bangkok · Aberdeen · Bhopal · Atyrau · Caracas · Jamshedpur · Thane · Faridabad · Ahvaz · Ahmedabad · Hanoi · Bengaluru · Dallas · Moscow · Surat · Riyadh · Rajkot · Al Khobar · Hyderabad · Haryana · Ernakulam · Gimhae-si · Algiers · Thiruvananthapuram · Brisbane · Calgary · Mumbai · Chennai · Courbevoie · Toronto · Vung Tau · Ankara · Doha · Nagpur · Howrah · Ranchi · Perth · Noida · Houston · Kolkata · Chiyoda · Mexico City · Edmonton. Geoje-si · Abu Dhabi · Santiago · New Delhi · Colombo · Ludhiana · Lahore · Coimbatore · Ho Chi Minh City · Manama · Ulsan · London · Visakhapatnam · Jaipur · Kuwait City · Seoul · Istanbul · Pune · Baroda · Kanpur · La Victoria · Jeddah · Dammam · Petaling Jaya · Nashik · Vadodara ·jamnagar ·hazira · jubail industrial city · Ajman · Capetown · San Francisco · sao paulo · Barcelona · Ahmedi · Muscat · Madrid · Birmingham · Johannesburg.
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Countries We Export To
Saudi Arabia · Qatar · Canada · Sri Lanka · Iran · Nigeria · Bangladesh · Oman · UAE ·
Turkey · Kuwait · Venezuela · Africa · Singapore · Netherlands · United Kingdom · Mexico · Malaysia ·
United States · Australia · Japan Saudi Arabia · Iran · Iraq · UAE · Qatar · Bahrain · Oman · Kuwait · Turkey · Yemen · Syria · Jordan · Cyprus · Nigeria · Algeria · Angola · South Africa · Libya · Egypt · Sudan · Equatorial Guinea · The Republic Of Congo · Gabon · USA · Canada · Mexico · Panama · Costa Rica · Puerto Rica · Trinidad And Tobago · Jamaica · Bahamas · Denmark · Russia · Norway · Germany · France · Italy · Uk · Spain · Ukraine · Netherland · Belgium · Greece · Czech Republic · Portugal · Hungary · Albania · Austria · Switzerland · Slovakia · Finland · Ireland · Croatia · Slovenia · Malta · India · Singapore · Malaysia · Indonesia · Thailand · Vietnam · South Korea · Japan · Sri Lanka · Maldives · Bangladesh · Myanmar · Taiwan · Cambodia · Argentina · Bolivia · Brazil · Chile · Venezuela · Colombia · Ecuador · Guyana · Paraguay · Uruguay · New Zealand · Romania · Puerto Rico · Nepal · Kenya · Afghanistan · Lithuania · Belarus · Zimbabwe · Israel · Azerbaijan · Poland · Australia · Morocco · Philippines.
Support
Frequently Asked Questions
Quick answers to common queries about 321 Stainless Steel Coils.
Larger coil sizes require more raw material and processing effort, which increases pricing offered by a 321 stainless steel Coils Supplier, especially for custom sizes and thicknesses.
Yes, thicker coils require more material and additional manufacturing steps, which significantly impacts pricing from a 321 stainless steel Coils Stockist.
Special finishes such as mirror or polished require extra processing and quality checks, increasing the overall cost of coils supplied by a 321 stainless steel Coils Supplier.
Yes, fluctuations in global nickel, chromium, and titanium prices directly impact pricing offered by any 321 stainless steel Coils Importer or stockist.
These coils are widely used in high-temperature applications such as aerospace, chemical processing, and power generation due to their superior resistance to oxidation.
321 stainless steel contains titanium, which stabilizes the material at high temperatures and prevents carbide precipitation, making it ideal for welding applications.
Yes, 321 stainless steel Coils offer excellent resistance to corrosion and pitting in harsh chemical environments, making them perfect for use in chemical processing plants.
Sourcing from reputable manufacturers ensures top-tier quality and compliance with international standards, which is why choosing a trusted 321 stainless steel Coils Importer is crucial for durability and performance.
HRS Ferritic
