HRS Ferritic · Certified Supplier & Stockist

Alloy 20 Stainless Steel Sheets
Exporter / Importer / Supplier

High-performance austenitic stainless steel alloy · Designed specifically to resist corrosion in harsh chemical environments · Excellent resistance to sulfuric acid · High strength and durability

UNS N08020 DIN 2.4660 ASTM B463 Carpenter 20
📋 Table of Contents
1Introduction to Alloy 20 Sheets
2What is Alloy 20 Sheet?
3Metallurgical Characteristics
4Specifications
5Types of Alloy 20 Sheet
6Mechanical Properties
7Chemical Details
8Pricing List
9Equivalent Grades
10Applications
11FAQs
HRS Ferritic · Alloy 20 Sheets Supplier & Stockist

High Quality Alloy 20 Sheets – Trusted Supplier, Stockist & Importer

HRS Ferritic is a renowned Alloy 20 sheet Supplier, Alloy 20 sheet Stockist, Alloy 20 sheet Importer and Alloy 20 sheet Stockist, offering high-quality alloy materials sourced from valuable and certified global manufacturers. With years of industry expertise, the company delivers superior Alloy 20 sheets known for their durability, corrosion resistance, and performance across industries like chemical processing, oil & gas, and pharmaceuticals, ensuring timely delivery and customer satisfaction.

  • Excellent resistance to sulfuric acid and chemical corrosion
  • High strength and durability
  • Resistance to pitting and crevice corrosion
  • Suitable for harsh industrial environments
  • Good fabrication and welding properties
  • Long service life with minimal maintenance
Alloy 20 Stainless Steel Sheets
Alloy 20Austenitic Grade
Grade Overview

What is the Alloy 20 Sheet?

Alloy 20 sheet, also known as Carpenter 20, is a high-performance austenitic stainless steel alloy designed specifically to resist corrosion in harsh chemical environments, particularly sulfuric acid. It contains a combination of nickel, chromium, and molybdenum, which enhances its resistance to pitting, crevice corrosion, and stress corrosion cracking.

19–21%
Chromium Content
32–38%
Nickel Content
≥ 550
Tensile Strength MPa
0.5–100
Thickness Range mm
Composition Analysis

Metallurgical Characteristics of Alloy 20 Sheet

Specific alloying elements ensure structural integrity and resistance to highly acidic environments.

Ni
Nickel
Enhances corrosion resistance and overall toughness of the alloy.
Cr
Chromium
Forms a durable protective oxide layer to prevent rust.
Mo
Molybdenum
Improves resistance to pitting and localized corrosion.
Cu
Copper
Increases resistance to sulfuric acid and other chemical attacks.
Fe
Iron
Provides strong structural support and mechanical strength.
Mn
Manganese
Improves workability and contributes to hardness control.
Si
Silicon
Enhances oxidation resistance and high-temperature durability.
Technical Data

Specifications for Alloy 20 Sheet

ASTM B463 · UNS N08020 · EN 2.4660 · Carpenter 20

Specification Details
ASTM / ASME ASTM B463 / A240/A480 (Plate, Sheet, and Strip)
UNS N08020
EN 2.4660
DIN 2.4660
ISO ISO FeNi35Cr20Cu4Mo2
JIS NW 8020
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, 2500mm, 3000mm, 3500mm, etc
Standard Lengths 2000 mm, 2440 mm, 2500 mm, 3000 mm, 5800 mm, 6000mm, 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
Product Range

Types of Alloy 20 Stainless Steel Sheets

We maintain a wide range of stock as a dependable Alloy 20 sheet supplier and stockist.

Hot Rolled Alloy 20 Sheet
Cold Rolled Alloy 20 Sheet
Polished Alloy 20 Sheet
Perforated Alloy 20 Sheet
Custom Cut Alloy 20 Sheet
Performance Data

Mechanical properties of Alloy 20 Stainless Steel Sheet

≥ 550
Ultimate Tensile Strength
MPa (80 ksi) — Superior durability under demanding conditions
≥ 240
Yield Strength
MPa (35 ksi) — Reliable performance in high-pressure assemblies
≥ 30%
Elongation
Excellent ductility for forming and complex shaping
≤ 217
Hardness (Brinell)
Balanced toughness and machinability for industrial use
~195
Modulus of Elasticity
GPa — Provides structural stability and resilience
~8.05
Density
g/cm³ — Standard density for high-performance austenitic alloys
Chemical Composition

Chemical Details of Alloy 20 Sheet with percentage

High levels of nickel, chromium, and copper provide unparalleled resistance to sulfuric acid and aggressive chemicals.

Element Percentage (% by weight)
Nickel (Ni) 32.0 – 38.0%
Chromium (Cr) 19.0 – 21.0%
Molybdenum (Mo) 2.0 – 3.0%
Copper (Cu) 3.0 – 4.0%
Iron (Fe) Balance (~31 – 44%)
Manganese (Mn) ≤ 2.0%
Silicon (Si) ≤ 1.0%
Carbon (C) ≤ 0.07%
Phosphorus (P) ≤ 0.045%
Sulfur (S) ≤ 0.035%
Niobium + Tantalum (Nb + Ta) ≤ 1.0% (usually 8×C – 1.0)
Cost Information

Price List for Alloy 20 Sheet

The price of Alloy 20 sheets varies depending on industrial requirements such as thickness, finish, and quantity.

Price Factors

Factors that Affect the Price of Alloy 20 Sheet

  • Fluctuations in raw material prices
  • Sheet thickness and size
  • Surface finish and customization
  • Market demand and availability
  • Import duties and logistics costs
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International Standards

Equivalent Grades for Alloy 20 Sheet

Global metallurgical designations for Alloy 20 across major standards.

Standard / System Equivalent Grade / Name
UNS (US) N08020
ASTM / ASME (USA) Alloy 20 (ASTM B463, A240/A480)
DIN / EN (Germany / Europe) 2.4660 / NiCr20CuMo
EN (European) 1.4527 / GX4NiCrCuMo30‑20‑4
AFNOR (French) Z2NCUD31‑20AZ
ISO ISO FeNi35Cr20Cu4Mo2
GB / China H08020 / NS1403
JIS (Japan) NW8020
Cast Equivalent CN7M
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.
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Ready Stock Availability & 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 & Global 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 protected
Use Cases

Applications & Importance of Alloy 20 Sheet

✈️ Aerospace
Used in components requiring resistance to extreme environments and chemical exposure.
⛽ Oil & Gas
Ideal for pipelines, valves, and equipment exposed to corrosive fluids.
🌾 Fertilizer Industry
Suitable for handling sulfuric acid and other aggressive chemicals.
⚡ Electric & EV
Provides stability and corrosion resistance in battery systems.
🏗️ Infrastructure
Used in structural applications requiring durability and corrosion resistance.
🧪 Chemical Processing
Widely used in reactors, tanks, and heat exchangers due to excellent chemical resistance.
🚗 Automotive
Used in high-performance parts exposed to harsh conditions.
💊 Pharmaceutical
Ensures contamination-free processing and high purity standards.
Why HRS Ferritic

Why choose HRS Ferritic for Alloy 20 SS Sheets?

HRS Ferritic is a trusted name in the metal industry, delivering high-performance alloy products with consistency and reliability.

Reliable Alloy 20 sheet Supplier and Stockist
Premium quality sourced from certified manufacturers
Competitive pricing and bulk availability
Wide range of specifications
Fast delivery across global markets
Strong customer support
Meets major international standards
Complete quality documentation provided
🇮🇳

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 - Alloy 20 Sheet

Quick answers to common queries about Alloy 20 Stainless Steel Sheets.

Alloy 20 Sheet is widely used in chemical, pharmaceutical, and sulfuric acid environments, providing exceptional corrosion resistance and long-term durability in industrial applications.
Thicker Alloy 20 sheets increase material consumption, fabrication, and shipping costs, which directly raise the overall final price of the product.
Larger sheet sizes can reduce material wastage and handling inefficiency, sometimes lowering unit cost, while non-standard or custom sizes may significantly increase expenses.
Special finishes such as polished, brushed, or pickled surfaces add to processing costs but enhance corrosion resistance, hygiene, and aesthetic value of the sheet.
Market variations in nickel, chromium, molybdenum, and copper prices directly influence the production cost and final selling price of Alloy 20 Sheets.
Its combination of high tensile strength, moderate hardness, excellent elongation, and ductility ensures outstanding durability under demanding chemical and industrial conditions.
Alloy 20 Sheet may have limitations in extremely high-temperature or highly oxidizing conditions where oxidation resistance and creep strength become critical factors.
Its superior resistance to pitting, crevice corrosion, and sulfuric acid attack makes Alloy 20 Sheet uniquely suitable for chemical processing, marine, and pharmaceutical industries.
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