HRS Ferritic · 321 Stainless Steel Plate Supplier, Stockist & Importer
321 Stainless Steel Plates
AISI 321 Plates
Titanium-Stabilized Austenitic Grade · Exceptional Intergranular Corrosion Resistance · Superior High-Temperature Stability · Global Industrial Supply
ASTM A240 / AISI 321
UNS S32100
EN 1.4541
JIS SUS 321
📋 Table of Contents
HRS Ferritic · Trusted 321 Stainless Steel Plate Supplier
What is 321 Stainless Steel Plate?
HRS Ferritic is a well-established and trusted 321 stainless steel Plate Supplier, Stockist, and Importer, delivering premium-grade stainless steel plates sourced from valuable and certified global manufacturers. 321 stainless steel plate is a titanium-stabilized austenitic stainless steel that is specially designed to resist intergranular corrosion. It is widely used in high-temperature applications where resistance to oxidation and durability are required.
- Excellent resistance to intergranular corrosion
- Suitable for extreme high-temperature applications
- Maintains strength and stability after welding
- Minimal maintenance due to corrosion resistance
- Long service life reduces replacement costs
- Performs well under thermal cycling conditions
- Ideal for industries dealing with heat and chemicals
- Highly stable titanium-stabilized structure
TiStabilized
Working Mechanism
The Science Behind Grade 321 Performance
In 321 grade, titanium reacts with carbon to form titanium carbides instead of chromium carbides. This process preserves chromium in the alloy, ensuring long-term intergranular corrosion resistance even in high heat.
17–19%
Chromium (Cr)
Austenitic
Crystal Structure
≥ 515
Tensile Strength MPa
0.5–100
Thickness Range mm
Composition Analysis
Metallurgical Characteristics of 321 Stainless Steel Plate
The addition of Titanium and controlled levels of Nickel and Chromium define the high performance of this grade.
Cr
Chromium
Forms a protective oxide layer and prevents rusting and high-temp oxidation.
Ni
Nickel
Improves toughness, strength, and flexibility of the austenitic structure.
Ti
Titanium
Stabilizes the structure and prevents harmful carbide formation at grain boundaries.
C
Carbon
Enhances strength but is controlled to avoid intergranular corrosion issues.
Mn
Manganese
Supports workability, toughness, and assists in the deoxidization process.
Si
Silicon
Improves resistance to oxidation and scaling at elevated temperatures.
P&S
Phosphorus & Sulfur
Present in trace amounts; affecting the overall machinability and weld quality.
Fe
Iron
The base element constituting approximately 65–70% of the total alloy composition.
Technical Data
Specifications for 321 Stainless Steel Plate
ASTM A240 · AISI 321 · UNS S32100 · EN 1.4541
| Specification | Details |
|---|---|
| ASTM / ASME | ASTM A240 / ASME SA240 (Plate, Sheet, and Strip) |
| UNS | UNS S32100 |
| EN / DIN | 1.4541 / X6CrNiTi18‑10 |
| ISO | ISO X6CrNiTi18‑10 |
| JIS | SUS 321 |
| Product Form | Sheets / Plates |
| 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 |
| Custom Processing | Available Custom Width & Length Cuts |
| 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
Ready Stock Availability & Product Forms
Flat Products
Precision sheets, heavy plates, and shim sheets maintained in diverse dimensions.
Coils & Strips
Slitting coils, perforated coils, and thin foils from 0.05 mm available.
Speciality Forms
Circles, rings, custom-cut blanks, and chequered (tread) plates in stock.
Edge Conditions
Mill edge, slit edge, round edge, and square edge options for all products.
Chromium (Cr)
17–19% — Core element for corrosion resistance.
Nickel (Ni)
9–12% — Enhances ductility and toughness.
Titanium (Ti)
0.20–0.70% — Crucial for stabilization against intergranular corrosion.
Carbon (C)
≤ 0.08% — Controlled levels to maintain weldability.
Tensile Strength
≥ 515 MPa — High strength for demanding industrial loads.
Yield Strength
≥ 205 MPa — Ensuring structural stability under stress.
Elongation
≥ 40% — Exceptional ductility for complex forming.
Hardness
≤ 217 HB — Balanced hardness for durability and processing.
Product Range
Types of 321 Stainless Steel Plate
We offer various surface finishes and processing conditions to match your specific engineering needs.
Hot Rolled 321 Stainless Steel Plate
Cold Rolled 321 Stainless Steel Plate
Annealed 321 Stainless Steel Plate
Pickled 321 Stainless Steel Plate
Polished / Mirror Finish 321 Plate
Brushed / Satin Finish 321 Plate
Custom Cut-to-Size 321 SS Plate
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 Details
Chemical Properties of 321 Stainless Steel Plate
Typical composition balance ensures Titanium stabilization and maximum corrosion resistance.
| Element | Typical % Composition |
|---|---|
| Iron (Fe) | Balance (~65–70%) |
| Chromium (Cr) | 17–19% |
| Nickel (Ni) | 9–12% |
| Titanium (Ti) | 0.20–0.70% |
| Carbon (C) | ≤ 0.08% |
| Manganese (Mn) | ≤ 2% |
| Silicon (Si) | ≤ 1% |
| Nitrogen (N) | ≤ 0.10% |
Performance Data
Mechanical Properties of 321 Stainless Steel Plate
≥ 515 MPa
Tensile Strength
Ultimate strength for severe industrial environments
≥ 205 MPa
Yield Strength
Maintaining structure at 0.2% offset
≥ 40 %
Elongation
Superior ductility for fabrication and bending
≤ 217 HB
Hardness (Brinell)
Controlled hardness for durable surface performance
Very Good
Creep Resistance
High stability at elevated service temperatures
870 °C
Thermal Stability
Maintains strength at elevated temps up to ~870°C
Cost Information
Price List for 321 Stainless Steel Plate
Price Factors
What affects the 321 price?
- Nickel and Chromium market fluctuations
- Plate thickness and custom dimensions
- Surface finish and processing needs
- Order volume and bulk discounts
- Import duties and logistics costs
- Specialized cut-to-size requirements
GET A FREE QUOTE
Get Quotation!
Contact HRS now for customized pricing and export guidance.
📧 [email protected]
International Standards
Equivalent Grades for 321 Stainless Steel Plate
Grade 321 is globally recognized for its intergranular corrosion resistance properties.
| Standard / System | Equivalent Grade |
|---|---|
| UNS / AISI (USA) | S32100 |
| ASTM / ASME | ASTM A240 Type 321 / SA240 321 |
| EN (Europe) | 1.4541 / X6CrNiTi18‑10 |
| DIN (Germany) | X6CrNiTi18‑10 |
| ISO (International) | X6CrNiTi18‑10 (ISO 15510) |
| JIS (Japan) | SUS 321 |
| BS (UK) | 321S11 / 321S16 |
| AFNOR / NF (France) | Z6CNDT18‑12 |
| GB (China) | 00Cr17Ni12Ti |
| GOST (Russia / CIS) | 08Х18Н10Т |
| UNI (Italy) | X6CrNiTi18‑10 |
| AS (Australia) | AS 1449 321 |
🏭
Quality Assurance Documentation
- Rigorous Testing: PMI, Ultrasonic Testing (UT), Radiography (RT), Corrosion Testing
- Full Certification: EN 10204 3.1 / 3.2 compliance with every shipment
- Industry Standards: NACE compliance available on request for specific projects
- Logistics: Global supply to USA, UAE, Saudi Arabia, Singapore, Indonesia, and Europe
📦
Packaging & Delivery Excellence
- Secure Export: ISPM-15 fumigated wooden crates and robust bundling
- Moisture Protection: Shrink-wrapped and moisture-protected for sea transit
- Reliable Network: Fast delivery through a well-established global logistics chain
- Support: Expert technical guidance and long-term relationship focus
Why Choose Us
Why Choose HRS Ferritic for 321 Stainless Steel Plate?
HRS Ferritic is committed to delivering excellence and building long-term relationships with clients by providing high-quality titanium-stabilized stainless steel products. We are a dependable Importer and Supplier for demanding industrial thermal projects.
Reliable 321 Plate Supplier & Stockist
Materials sourced from certified global mills
Competitive pricing with bulk availability
Fast and reliable global delivery network
Customized solutions for 10+ industries
Full chemical & mechanical traceability
Expert technical support team
Commitment to consistent high-quality standards
🇮🇳
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.
🌍
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 about 321 Stainless Steel Plates.
Thicker 321 plates naturally cost more because they use more raw material and are heavier to handle, requiring extra transportation and fabrication effort.
Yes, larger plates require more material and sometimes special shipping or storage, which increases the final cost. Handling oversized plates can also demand extra labour and equipment.
A polished, brushed, or mirror finish looks better but comes at a premium because of extra processing, polishing, and quality inspections.
Absolutely, 321 relies on nickel, chromium, and titanium; fluctuations in these metals cause the plate price to rise or fall based on market trends.
Typically yes, because titanium stabilization and enhanced high-temperature corrosion resistance make it ideal for chemical and heat-exposed environments, justifying the price.
Definitely, any non-standard length, width, or shape requires extra cutting, handling, and potential material waste, which adds to production and labour costs.
Plates with tighter tolerances require precise rolling and strict quality control, which increases manufacturing effort and ensures dimensional consistency.
321 is excellent for heat exchangers, furnace components, and exhaust systems, thanks to its titanium stabilization, corrosion resistance, and long-term durability.
HRS Ferritic
