HRS Ferritic · Certified Supplier & Stockist

Stainless Steel 446 Sheet
AISI 446 Plate

High Chromium Ferritic Grade · Superior Oxidation & Scaling Resistance · Excellent Corrosion Resistance in Aggressive Environments · Global Supply

ASTM A240 / AISI 446 UNS S44600 EN 1.4762 JIS SUS 446
📋 Table of Contents
1Introduction to SS 446
2Overview of SS 446 Plate
3Metallurgical Characteristics
4Specifications
5Available Stock
6Types of SS 446 Plate
7Chemical Properties
8Mechanical Properties
9Pricing List
10Equivalent Grades
11FAQs
HRS Ferritic · SS 446 Plate Supplier & Stockist

Introduction to
Stainless Steel 446 Plates

HRS Ferritic has been a global leader in the production of high-quality martensitic and ferritic stainless steel. We are a trusted SS446 Plate / AISI446 Plate Supplier, SS446 Plate Importer, and SS446 Plate Stockist offering premium stainless steel sheets sourced from certified and valuable mills. We are the trusted partner in industries that require high-performance stainless steel solutions.

  • High resistance to scaling and oxidation at elevated temperatures
  • Excellent corrosion resistance in aggressive chemicals
  • Stable Mechanical Properties Under Thermal Cycling
  • Fabrication and welding without Sensitization
  • Ideal for industrial applications requiring high durability and long-term service life
Stainless Steel 446 Plate in India
446High Chromium
Grade Overview

Introduction & Overview — Stainless Steel 446 Plates

SS446 Plate is also known as AISI446 Plate. It is a ferritic stainless-steel plate with a high level of chrome. This plate has been engineered to provide superior resistance to corrosion in aggressive and high-temperature environments. It is a low-carbon steel that provides excellent corrosion resistance in high-temperature and aggressive environments. SS446 Plates are characterized by their ferritic structure and high chromium contents (23-27%). This creates a passive oxide film on the surface that protects against high-temperature corrosion and scaling. Low carbon content ensures resistance against intergranular corrosion when welding or exposed to high temperatures.

23–27%
Chromium Content
Ferritic
Structure
450–620
Tensile Strength MPa
0.5–100
Thickness Range mm
Composition Analysis

Metallurgical Characteristics of SS 446 Plate

Each element in SS 446 plays a precise role in delivering superior oxidation resistance, thermal stability and corrosion resistance.

Fe
Iron
Base element forming the ferritic structure and providing overall strength.
Cr
Chromium
Primary alloying element that provides excellent oxidation and corrosion resistance, especially at high temperatures.
C
Carbon
Contributes to strength but is controlled to maintain ductility and weldability.
Mn
Manganese
Improves toughness and assists in hot working processes.
Si
Silicon
Enhances oxidation resistance and improves high-temperature performance.
P
Phosphorus
Residual element; excess amounts may reduce ductility.
S
Sulfur
Improves machinability but is limited in preventing brittleness.
Technical Data

Specifications of SS 446 / AISI 446 Plate

ASTM A240 / AISI 446 · UNS S44600 · EN 1.4762 · JIS SUS 446

Specification Details
ASTM / AISI ASTM A240 / AISI 446 (Plate, Sheet, and Strip)
UNS UNS S44600
EN EN 1.4762
DIN 1.4762
ISO ISO 683-13 X10CrAlSi25
JIS SUS 446
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
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
Inventory

Available Stock & Product Forms

🪨

Plates

High-quality flat plate 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)

23 – 27% — Primary alloying element for oxidation and corrosion resistance.

⚫

Carbon (C)

≤ 0.02% — Low level ensures weldability and corrosion resistance.

⚖️

Manganese (Mn)

≤ 1.0% — Improves toughness and hot working properties.

✨

Silicon (Si)

≤ 1.0% — Enhances oxidation resistance and high-temperature performance.

💪

Tensile Strength

450–620 MPa — Exceptional for demanding structural applications.

🎯

Yield Strength

≥ 275 MPa — Consistent properties for forming operations.

📏

Elongation

≥ 20% — Excellent ductility for cold-forming and fabrication.

🔬

Hardness

≤ 200 HB — Consistent machinability and surface quality.

Product Range

Types of SS 446 / AISI 446 Steel Plate

Choose from a wide range of finishes based on your application and precision requirements.

Hot Rolled SS446 Plates
Cold Rolled SS446 Plates
Plates Annealed and Pickled
Precision Cut to Size Plates
Custom Surface Finish Plates
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 Property of SS 446 / AISI 446 Sheet

High chromium content (23–27%) in SS 446 creates a passive oxide film on the surface that protects against high-temperature corrosion and scaling, with low carbon content ensuring resistance against intergranular corrosion.

Element Composition (%)
Carbon (C) ≤ 0.02
Chromium (Cr) 23 – 27
Manganese (Mn) ≤ 1.0
Silicon (Si) ≤ 1.0
Phosphorus (P) ≤ 0.04
Sulfur (S) ≤ 0.03
Iron (Fe) Balance
Performance Data

Mechanical Properties of SS 446 Plate / AISI 446 Plate

450–620
Tensile Strength
MPa — Exceptional for demanding structural applications
≥ 275
Yield Strength
MPa — Ideal for forming and fabrication
≥ 20%
Elongation
Excellent ductility for cold-forming and fabrication
≤ 200 HB
Hardness
Maximum — Ensures machinability
7.7
Density
g/cm³
Cost Information

Price List for SS 446 Plate / AISI 446 Plate

Price Factors

What affects the price?

  • Market prices for Chromium alloys
  • The thickness of the plate
  • Surface finish and fabrication requirements
  • Quantity of orders and logistic costs
  • Heat treatment and customizing
Get A Free Quote
Contact HRS!
Premium SS 446 plates at the best price
📧 info@hrsferritic.com
International Standards

Equivalent Grades for SS 446 Plate / AISI 446 Plate

SS 446 is recognized across all major global standards with equivalent metallurgical designations.

Standard / System Equivalent Grade / Designation
AISI (USA) 446
UNS (USA) S44600
ASTM / ASME (USA) A240 Type 446 / SA240 446
SAE (USA) 51446 (J405)
EN (Europe) 1.4762 / X10CrAlSi25 / X10CrAlSi24
DIN (Germany) 1.4762
BS (UK) 446S21
AFNOR (France) Z10CAS25 / Z12CAS25
JIS (Japan) SUS 446
GOST (Russia) 15Х25Т / 15X25T
UNI (Italy) X10CrAlSi25
SS (Sweden) 2321 (approx.)
ISO ISO 683-13 X10CrAlSi25
📦
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

Importance and Applications of SS 446 / AISI 446 Sheet

🌾 Fertilizer Industry
The SS 446 plates are used in heat exchangers, heat reactors and ducts. They resist ammonia high-temperature corrosion.
🧪 Chemical Processing
AISI 446 is used in chemical enclosures, storage tanks and pressure vessels. It provides excellent corrosion resistance against acids, chlorides and oxidative chemicals.
✈️ Aerospace
SS 446 is used in heat shields, exhaust ducts and structural components at high temperatures. It offers oxidation and thermal stability.
⛽ Oil & Gas
The grade is used in furnace linings and exhaust stacks for non-sour services. It provides corrosion and scaling resistance at high temperatures.
💊 Pharmaceuticals
Use in thermal processor equipment, cleanroom enclosures and heat-resistant panels to maintain structural integrity during sterilization and cleaning cycles.
🏗️ Construction & Infrastructure
Used in architectural panelling, roofing and industrial furnace components. Offers durability and corrosion resistance.
⚡ Electric Sector & EV Batteries
SS 446 is used in battery cases, heat shields and protective panels. It provides thermal stability, corrosion resistance and fabrication reliability.
🚗 Automotive
Used widely in turbochargers, exhaust manifolds and heat shields. Delivers high mechanical durability and oxidation resistance.
Why HRS Ferritic

Why Choose HRS Ferritic for Stainless Steel 446 Plate?

HRS Ferritic has a commitment to provide high-performance ferritic stainless solutions with reliability and consistency. Contact us today to get premium SS446 Plates that are of the highest quality with timely delivery.

Trusted SS446 Plate / AISI446 Plate Supplier, with global reach
Stocks available for immediate dispatch
Material sourced from certified and valuable mills
Bulk supply and competitive pricing
Customized sizes, thicknesses and finishes
Documentation, including MTCs, quality certifications and full documentation
Complete mill test certificates
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.
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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 446 Plate / AISI 446 Plate.

Equivalent grades of SS 446 include UNS S44600 and EN 1.4762.
SS 446 Plate is mainly used in furnace parts, heat treatment equipment, boilers, and high-temperature industrial components.
SS 446 Plate offers excellent oxidation and scaling resistance at elevated temperatures, making it ideal for thermal processing industries.
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