HRS Ferritic · Certified Supplier & Stockist
Stainless Steel 439 Sheet
AISI 439 Sheet
Titanium Stabilized Ferritic Grade · Enhanced Corrosion Resistance · High Temperature Oxidation Resistance · Global Supply
ASTM A240 / AISI 439
UNS S43900
EN 1.4512
JIS SUS 439
📋 Table of Contents
HRS Ferritic · SS 439 Sheet Supplier & Stockist
Introduction to
Stainless Steel 439 Sheet
HRS Ferritic has been a trusted supplier, stockist, and importer of AISI 439 Sheets and SS 439 Sheets for decades. We provide high-quality stainless sheets sourced from certified mills that meet international quality standards, with competitive pricing and timely delivery to our clients and partners.
- Ferritic microstructure for strength and stability
- Excellent resistance to stress corrosion cracking
- Protective chromium oxide layer against corrosion
- Titanium stabilized — prevents carbide formation
- High service life and low maintenance requirements
- Ideal replacement for SS 409 in demanding environments
17–19%Chromium Content
Grade Overview
Overview of Stainless Steel 439 Sheet / AISI 439 Sheet
SS 439 is a ferritic stainless steel with enhanced corrosion resistance through higher chromium and titanium content. It is used to replace SS 409, offering better resistance to oxidation, thermal fatigue and high temperatures, with an ideal balance of corrosion resistance, mechanical strength and thermal stability.
17–19%
Chromium Content
Ti
Titanium Stabilized
415–550
Tensile Strength MPa
0.5–100
Thickness Range mm
Composition Analysis
Metallurgical Characteristics of SS 439 Sheet
Each element in SS 439 plays a precise role in delivering exceptional corrosion resistance and thermal performance.
Fe
Iron
Base metal providing structural strength.
Cr
Chromium
Improves corrosion and oxidation resistance by forming a protective oxide layer.
Ti
Titanium
Stabilizes the steel by binding carbon and nitrogen, preventing carbide formation.
C
Carbon
Enhances strength but is kept low to maintain corrosion resistance.
Mn
Manganese
Improves toughness and hot working properties.
Si
Silicon
Enhances oxidation resistance and strength.
N
Nitrogen
Improves strength; controlled by titanium stabilization.
Technical Data
Specifications — SS 439 Sheet / AISI 439 Sheet
ASTM A240 · AISI 439 · UNS S43900
| 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 | Sheets / Plates |
| Thickness Range | 0.5 mm to 100 mm |
| Standard Widths | 1000 mm, 1219 mm, 1250 mm, 1500 mm, 1800 mm, 2000 mm, 2500 mm, 3000 mm, 3500 mm, etc |
| Standard Lengths | 2000 mm, 2440 mm, 2500 mm, 3000 mm, 5800 mm, 6000 mm, 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 Wrap, Customized |
Inventory
Available Stock & Product Forms
Sheets
High-quality flat sheet products in various thicknesses for industrial applications.
Pipes
Seamless and welded pipes for high-temperature and corrosion-resistant use.
M. IPA
Modified Austenitic & Ferritic SS with excellent mechanical properties.
Coils & Strips
Precision-rolled coils and strips for specialized forming operations.
Chromium (Cr)
17.0 – 19.0% — Core element for enhanced corrosion and oxidation resistance.
Titanium (Ti)
Stabilized — Binds carbon and nitrogen; prevents carbide formation during welding.
Carbon (C)
≤ 0.03% — Low level ensures weldability and corrosion resistance.
Manganese (Mn)
≤ 1.00% — Improves toughness and hot working properties.
Tensile Strength
415–550 MPa — Exceptional for demanding structural applications.
Yield Strength
≥ 275 MPa — Consistent properties for forming operations.
Elongation
20–30% — Excellent ductility for cold-forming.
Hardness
≤ 200 HB — Consistent machinability and surface quality.
Product Range
Types of SS 439 Sheet / AISI 439 Sheet
Choose from a wide range of finishes based on your application and precision requirements.
Cold Rolled SS 439 Sheet
Hot Rolled SS 439 Sheet
SS 439 Sheet, Annealed
Pickled & Oiled SS Sheet 439
Polished SS 439 Sheet
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 Properties of SS 439 Sheet / AISI 439 Sheet
Titanium stabilization in SS 439 binds carbon and nitrogen to prevent carbide formation, ensuring superior weldability and corrosion resistance.
| Element | Percentage (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Chromium (Cr) | 17.0 – 19.0 |
| Titanium (Ti) | Stabilized |
| Manganese (Mn) | ≤ 1.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.030 |
Performance Data
Mechanical Properties of SS 439 Sheet / AISI 439 Sheet
415–550
Tensile Strength
MPa — Exceptional for demanding structural applications
≥ 275
Yield Strength
MPa — Ideal for forming and fabrication
20–30%
Elongation
Excellent ductility for cold-forming
≤ 200 HB
Hardness
Maximum — Ensures machinability
Good
Impact Resistance
Reliable performance under dynamic loads
Cost Information
Price List for SS 439 Sheet / AISI 439 Sheet
Price Factors
What affects the price?
- Raw material costs for chromium and titanium
- Sheet thickness and surface finish
- Demand and logistics
- Import duties and order volume
International Standards
Equivalent Grades for SS 439 Sheet / AISI 439 Sheet
SS 439 is recognized across all major global standards with equivalent metallurgical designations.
| 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 |
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Ready Stock & Product Forms
- 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 (tread) plates
- Edge Conditions: Mill edge, slit edge, round edge, square edge
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Quality Assurance & 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 Packaging: ISPM-15 fumigated wooden crates, shrink-wrapped & moisture-protected
Use Cases
Applications and Importance of SS 439 Sheet / AISI Sheet
🌾 Fertilizer Industry
Heat exchangers, ducting, storage tanks and structural components exposed to high temperatures and corrosive fertilisers.
🧪 Chemical Processing
Equipment housings, exhaust systems, reactors and piping requiring oxidation and corrosion protection.
✈️ Aerospace
Heat shields and exhaust assemblies where thermal stability is required.
⛽ Oil & Gas
Heat recovery units, exhaust stacks and structural parts requiring corrosion resistance.
💊 Pharmaceuticals
Processing machinery, equipment enclosures and support frames requiring cleanliness and durability.
🏗️ Construction & Infrastructure
Fasteners and industrial frames exposed to outdoor environments, claddings and structural panels.
⚡ Electric Sector & EV Batteries
Battery enclosures, thermal shields, mounting brackets and electrical housings due to heat resistance.
🚗 Automotive
Used extensively in catalytic converters, heat shields, mufflers and emission control components.
Why HRS Ferritic
Why Choose HRS Ferritic SS 439 Sheet / AISI Sheet?
HRS Ferritic provides high-performance ferritic solutions for the industrial market. We ensure quality and value over the long term with our strong sourcing network, technical expertise and customer-first approach. Contact us for high-quality SS 439 Sheets at competitive prices.
Reliable SS 439 Sheet Supplier & Stockist
Certified and valuable mills sourcing
Custom sizes with a wide range available
Competitive pricing & global export
Full documentation & strict quality control
EN 10204 3.1 / 3.2 documentation
On-time delivery, export-grade packaging
Supply to 20+ countries worldwide
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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 SS 439 Sheet / AISI 439 Sheet.
It is a ferritic stainless steel sheet with good corrosion resistance and moderate strength.
Yes, it resists oxidation and rust in atmospheric and mildly corrosive environments.
Yes, but welding requires proper techniques to avoid loss of corrosion resistance; usually done in the as-rolled condition.
HRS Ferritic
