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
1Introduction to SS 439
2Overview of SS 439 Sheet
3Metallurgical Characteristics
4Specifications
5Available Stock
6Types of SS 439 Sheet
7Chemical Properties
8Mechanical Properties
9Pricing List
10Equivalent Grades
11FAQs
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
SS 439 Sheet in India
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
Sugar Industry
Global cane and beet processing requiring thermal endurance.
Power
Power Industry
Electricity generation and distribution systems.
Ship Building
Ship Building
Marine propulsion and exhaust components.
Mechanical
Mechanical & Plant Engineering
Industrial machinery design solutions.
Food
Food, Beverage & Dairy
Processed food manufacturing environments.
Oil Gas
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
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Get A Free Quote!
Premium SS 439 sheets at the best prices
📧 info@hrsferritic.com
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
📦
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
🏭
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
🇮🇳

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 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.
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