HRS Ferritic · IRSM 44-1997 Specialist

IRSM 44-1997 Coils / AISI IRSM 44-1997
Coils Supplier & Importer

Weather-Resistant Structural Steel · Indian Railway Standards · Superior Corrosion Resistance · Self-Protecting Oxide Layer · Heavy Duty Utility

IRSM 44-1997 UNS S40977 EN 1.4003 Weathering Steel
📋 Table of Contents
1Introduction to IRSM 44-1997
2Weathering Mechanism
3Metallurgical Characteristics
4Specifications
5Available Stock
6Types of IRSM Coils
7Chemical Properties
8Mechanical Properties
9Pricing Information
10Equivalent Grades
11FAQs
HRS Ferritic · Special Steel Provider

IRSM 44-1997 Coils / AISI IRSM 44-1997
Supplier, Stockist & Importer

HRS Ferritic is a reputable name in the special steel and stainless industries and is recognized worldwide as an IRSM 44-1997 Coils supplier and AISI/IRSM 44-1997 Coils Stockist. With decades of experience and a robust supply chain, we offer premium-grade IRSM 44-1997 coils sourced from mills that are certified and reputable. As a reputable AISI/IRSM 44-1997 Coils Importer, we guarantee consistency in quality, competitive pricing and timely delivery to satisfy the ever-changing requirements of infrastructure, railways and heavy engineering industries.

  • Weather-resistant structural steel
  • Superior corrosion resistance
  • Self-protecting oxide layer
  • Decreased rust formation over time
  • Sustainable lifecycle maintenance
  • High temperature stability
IRSM 44-1997 Coils Stockist
IRSRailway Standard
Weathering Technology

Introduction & Weathering Mechanism of IRSM 44-1997

IRSM 44-1997 Coils are weather-resistant structural coils designed according to Indian Railway Standard specifications. When exposed to air and moisture, alloying elements like chromium, copper, and nickel form a thick, adhering oxide layer. This oxide layer acts as a protective barrier, preventing further oxidation of the underlying metal. This self-protecting mechanism increases durability while significantly decreasing maintenance needs for outdoor and railway infrastructure.

S40977
UNS Code
≥ 350
Yield (MPa)
490-630
Tensile (MPa)
1.4003
EN Grade
Composition Analysis

Metallurgical Characteristics & Performance

Key alloying elements that define the durability and atmospheric protection of IRSM 44-1997.

Cu
Copper
Significantly improves resistance to atmospheric corrosion by forming a protective oxide layer.
Cr
Chromium
Enhances corrosion resistance and improves hardness and structural strength.
Ni
Nickel
Improves toughness and further enhances corrosion resistance in outdoor environments.
Mn
Manganese
Improves tensile strength and toughness and enhances hot working properties.
Si
Silicon
Increases strength and helps improve resistance to oxidation.
P
Phosphorus
Enhances atmospheric corrosion resistance and contributes to weathering properties.
Technical Data

Specifications for IRSM 44-1997 Coils

ASTM A240 · UNS S40977 · EN 1.4003 · ISO X2CrNi12

Specification Details
ASTM / ASME ASTM A240 / ASME SA240 (Plate, Sheet, and Strip)
UNS UNS S40977
EN / DIN 1.4003
ISO ISO X2CrNi12
JIS SUS 410L
Product Form Coils / Plates
Thickness Range 0.5 mm to 100 mm
Standard Widths 1000 mm, 1219 mm, 1250 mm, 1500 mm, 1800 mm, 2000 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 Wraps, Customized
Inventory

Available Stock & Product Forms

🌀

Coils & Strips

Slitting coils, perforated coils, and thin foils starting from 0.05 mm.

🪨

Flat Products

Precision sheets, heavy plates, and shim sheets available for structural infrastructure.

🔘

Circles & Rings

Custom-cut blanks, circles, and rings tailored for specialized railway components.

🏁

Chequered Plate

Tread plates and textured surfaces for walkways, staircases, and platforms.

💠

Copper (Cu)

0.25 – 0.55% — Critical element for atmospheric corrosion protection.

✨

Chromium (Cr)

0.40 – 0.70% — Enhances hardness and oxidation resistance.

⚫

Carbon (C)

≤ 0.16% — Provides core strength and structural hardness.

⚖️

Manganese (Mn)

0.90 – 1.60% — Improves structural tensile strength and toughness.

💪

Tensile Strength

490 – 630 MPa — High strength for load-bearing structures.

🎯

Yield Strength

≥ 350 MPa — Robust yield threshold for engineering safety.

📏

Elongation

≥ 22% — Exceptional ductility for fabrication and bending.

💎

Impact Resistance

Excellent — Maintains durability under dynamic environmental stress.

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.
Product Categories

Types of IRSM 44-1997 Coils

We supply standard and customized weathering steel coils with complete mill test certifications.

Hot Rolled IRSM 34-1997 Coils
Pickled & Oiled IRSM 44-1997 Coils
Cut-to-Length IRSM Coils
Customized IRSM Coils 44-1997
Chemical Composition

Chemical Properties of IRSM 44-1997 Coils

The precise alloying of copper and chromium enables the formation of a dense oxide layer that prevents corrosion of the underlying structural metal.

Element Composition (%)
Carbon (C) ≤ 0.16
Manganese (Mn) 0.90 – 1.60
Copper (Cu) 0.25 – 0.55
Chromium (Cr) 0.40 – 0.70
Nickel (Ni) ≤ 0.40
Phosphorus (P) ≤ 0.035
Sulfur (S) ≤ 0.035
Performance Data

Mechanical Property of IRSM 44-1997 Coils

≥ 350
Yield Strength
MPa — Robust yield threshold for railway engineering
490 – 630
Tensile Strength
MPa — High strength for load-bearing utility
≥ 22%
Elongation
Exceptional ductility for fabrication and bending
Moderate
Hardness
Balanced for machinability and durability
Excellent
Impact Resistance
Maintains structural integrity under environmental stress
Cost Information

Price List of IRSM 34-1997 Coils

Pricing Factors

What Affects the Market Cost?

  • Cost fluctuations for raw materials
  • The thickness of the coil and its width
  • Order quantity and volume requirements
  • Surface specifications for finishing
  • Import/export duties and logistics
Get Best Price
Contact HRS!
Competitive rates from a trusted IRSM stockist
📧 info@hrsferritic.com
Global Standards

Equivalent grades for IRSM COILS 44-1997

IRSM 44-1997 is recognized internationally for its specific weathering and structural properties.

Standard Equivalent Grade
Indian Railways (IRSM) IRSM 44‑1997
Stainless Steel (India) SS 409M / IR CK‑201
UNS (USA) UNS S40977
EN / ISO / DIN X2CrNi12 (1.4003)
Alternative Common Name 3CR12 (utility ferritic grade)
Alternative Designation F12N / F12NB (regional codes)
JIS (Japan) SUS 409M equivalent references
📦
Ready Stock Availability
  • 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 & 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
  • Packaging: ISPM-15 wooden crates, shrink-wrapped & moisture-protected
Engineering Use

Application and Importance of IRSM 44-1997 Coils

🌾 Fertilizer Industry
Storage tanks, hoppers, and bulk transporting structures exposed to ammonia and moisture.
🧪 Chemical Processing
Reactor shells, platforms, and structural frames exposed to chemicals and harsh environments.
✈️ Aerospace
Ground-support structure, hangars, maintenance platforms needing long-term durability.
⛽ Oil & Gas Sector
Skid frames, staircases, and equipment enclosures exposed to saline air.
💊 Pharmaceuticals
HVAC stairs, non-contact utility frames, and structural storage platforms.
🏗️ Infrastructure
Railway stations, bridges, flyovers, and transmission towers needing minimal maintenance.
⚡ EV & Electric
Transformer enclosures, charging station frames, and renewable energy support structures.
🚗 Automotive
Railway wagon bodies, chassis members, underframes, and heavy vehicle bogie frames.
Why Choose HRS

Why choose HRS Ferritic for IRSM 44-1997 Coils?

HRS Ferritic is recognized worldwide for its commitment to providing high-end steel solutions. With a focus on quality, transparency, and technical excellence, we are your ideal partner for long-term industrial steel requirements.

Secured IRSM 44-1997 Coils Stockist
High-quality materials from certified mills
Pricing competitive and bulk availability
Custom sizes and rapid project delivery
Solid logistics and global export experience
Complete quality documentation and testing
Serving 20+ countries worldwide
Expert technical and project support
🇮🇳

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 IRSM 44-1997 Coils / AISI IRSM 44-1997.

IRSM 44-1997 coils are railway-grade steel coils manufactured as per Indian Railway specifications. They are widely used in wagon manufacturing, structural fabrication, heavy engineering, and automotive underframes due to their superior weather resistance and durability.
Coil width and length influence pricing. Wider or non-standard sizes require additional processing, cutting, and handling, which increases production costs and impacts the final price.
Thicker coils use more raw material and require higher rolling effort and transportation weight. This directly increases manufacturing and logistics costs.
Yes. Coils with improved surface finish, pickling, or oiling involve extra processing and quality checks, resulting in a higher overall cost.
Prices of iron ore, coking coal, and scrap steel directly impact steel production costs. Market demand and supply conditions can cause fluctuations in final coil pricing.
These coils are mainly used in railway wagons and coaches, infrastructure projects (bridges, transmission towers), and engineering industries requiring strong and reliable steel.
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