Stainless Steel 304L ERW Pipes Stockists in India

Author : Ashish Mehta | Published On : 27 Jul 2026

Stainless Steel 304L ERW Pipes Suppliers in India – High-Quality ASTM A312 TP304L ERW Pipes

Stainless Steel 304L ERW Pipes Suppliers in India are known for delivering premium-quality welded stainless steel pipes that meet the growing demands of industries such as oil & gas, petrochemicals, pharmaceuticals, food processing, water treatment, construction, and power generation. Manufactured using high-grade stainless steel and advanced Electric Resistance Welding (ERW) technology, these pipes offer excellent corrosion resistance, superior weldability, and long service life.

AM Industries is one of the leading Stainless Steel 304L ERW Pipes Suppliers in India, offering a wide range of ASTM A312 TP304L ERW Pipes in different sizes, schedules, thicknesses, and finishes. Our pipes comply with international quality standards and undergo strict testing procedures to ensure consistent performance in demanding industrial applications.

Whether your project requires corrosion-resistant piping for chemical plants or hygienic piping systems for food and pharmaceutical industries, Stainless Steel 304L ERW Pipes provide an economical and reliable solution.


What are Stainless Steel 304L ERW Pipes?

Stainless Steel 304L ERW Pipes are longitudinal welded pipes manufactured using high-quality Stainless Steel 304L coils or strips. The edges of the strip are electrically resistance welded without using filler metal, producing a strong and uniform weld seam.

The low carbon content of Grade 304L significantly reduces carbide precipitation during welding, making these pipes ideal for welded fabrications and corrosive environments. They provide excellent resistance to oxidation, chemicals, moisture, and atmospheric corrosion.

These pipes are widely manufactured according to:

  • ASTM A312 TP304L

  • ASME SA312 TP304L

  • ASTM A269

  • ASTM A270

  • ASTM A249


Stainless Steel 304L ERW Pipes Specification

Specification Details
Material Grade Stainless Steel 304L
Standard ASTM A312 / ASME SA312
UNS Number S30403
Werkstoff No. 1.4307
Manufacturing Process Electric Resistance Welded (ERW)
Size Range ½" NB to 24" NB
Length Single Random, Double Random, Custom Length
Wall Thickness SCH 5 to SCH XXS
End Type Plain End, Beveled End, Threaded
Surface Finish Annealed, Pickled, Polished, Bright Annealed

Chemical Composition of Stainless Steel 304L ERW Pipes

Element Composition (%)
Carbon 0.03 Max
Chromium 18.00 – 20.00
Nickel 8.00 – 12.00
Manganese 2.00 Max
Silicon 0.75 Max
Phosphorus 0.045 Max
Sulfur 0.030 Max
Nitrogen 0.10 Max
Iron Balance

Mechanical Properties

Property Value
Tensile Strength 485 MPa Min
Yield Strength 170 MPa Min
Elongation 40% Min
Hardness 92 HRB Max

Features of Stainless Steel 304L ERW Pipes

Excellent Corrosion Resistance

The chromium-rich composition protects the pipe from rust, oxidation, moisture, and numerous industrial chemicals.

Superior Weldability

Due to its low carbon content, Stainless Steel 304L ERW Pipes minimize carbide precipitation, making welding easier without compromising corrosion resistance.

Smooth Surface Finish

The ERW manufacturing process produces smooth internal and external surfaces, allowing efficient fluid flow with minimal pressure loss.

High Strength

These pipes provide excellent mechanical strength while maintaining ductility and toughness.

Hygienic Material

Grade 304L is widely accepted in food processing, pharmaceutical, and beverage industries due to its clean and contamination-free surface.

Cost-Effective Solution

Compared to seamless pipes, ERW pipes offer excellent performance at a lower manufacturing cost, making them suitable for large industrial projects.


Manufacturing Process of Stainless Steel 304L ERW Pipes

The manufacturing process includes:

  • Selection of premium quality Stainless Steel 304L coils

  • Slitting into required strip widths

  • Roll forming into tubular shape

  • High-frequency electric resistance welding

  • Weld bead removal

  • Heat treatment

  • Straightening

  • Pickling and passivation

  • Hydrostatic testing

  • Dimensional inspection

  • Surface finishing

  • Packing and dispatch

Every production stage follows stringent quality standards to ensure defect-free pipes.


Types of Stainless Steel 304L ERW Pipes

  • ASTM A312 TP304L ERW Pipes

  • ASME SA312 TP304L Pipes

  • Stainless Steel 304L Welded Pipes

  • SS 304L Round ERW Pipes

  • SS 304L Polished Pipes

  • SS 304L Pickled Pipes

  • Bright Annealed ERW Pipes

  • Industrial Stainless Steel ERW Pipes

  • Sanitary Stainless Steel Pipes

  • Heat Exchanger Pipes

  • Instrumentation Pipes


Applications of Stainless Steel 304L ERW Pipes

Stainless Steel 304L ERW Pipes are extensively used in:

Oil & Gas Industry

Ideal for transporting petroleum products, natural gas, and refinery chemicals.

Chemical Processing Plants

Excellent resistance against acids and corrosive chemicals.

Pharmaceutical Industry

Suitable for sterile processing lines and hygienic production environments.

Food Processing Industry

Used in dairy plants, beverage manufacturing, breweries, and food-grade pipelines.

Water Treatment Plants

Provides excellent corrosion resistance for clean water distribution systems.

Power Plants

Used in boilers, condensers, cooling systems, and utility pipelines.

Construction Industry

Widely used in architectural structures, handrails, and industrial buildings.

Marine Industry

Offers outstanding resistance against moisture and saline environments.


Quality Testing

Every Stainless Steel 304L ERW Pipe undergoes comprehensive quality inspections including:

  • Positive Material Identification (PMI)

  • Hydrostatic Test

  • Eddy Current Test

  • Flattening Test

  • Reverse Bend Test

  • Ultrasonic Test

  • Chemical Analysis

  • Mechanical Testing

  • Intergranular Corrosion Test

  • Visual Inspection

  • Dimensional Inspection


Available Sizes

Common pipe sizes include:

  • ½ Inch

  • ¾ Inch

  • 1 Inch

  • 1½ Inch

  • 2 Inch

  • 3 Inch

  • 4 Inch

  • 6 Inch

  • 8 Inch

  • 10 Inch

  • 12 Inch

  • 16 Inch

  • 20 Inch

  • 24 Inch

Available in schedules:

  • SCH 5

  • SCH 10

  • SCH 20

  • SCH 40

  • SCH 80

  • SCH 160

  • XXS


Why Choose Stainless Steel 304L ERW Pipes?

Industries prefer Stainless Steel 304L ERW Pipes because they offer:

  • Outstanding corrosion resistance

  • Excellent weldability

  • Long service life

  • High mechanical strength

  • Smooth internal surface

  • Easy fabrication

  • Low maintenance

  • Competitive pricing

  • International quality compliance

  • Wide availability


Stainless Steel 304L ERW Pipes Suppliers in India

India has become one of the world's largest manufacturing hubs for stainless steel piping products. Leading Stainless Steel 304L ERW Pipes Suppliers in India provide products that comply with ASTM, ASME, DIN, EN, and ISO standards while serving domestic and international markets.

AM Industries supplies Stainless Steel 304L ERW Pipes across major industrial cities including Mumbai, Pune, Chennai, Bengaluru, Hyderabad, Ahmedabad, Surat, Delhi, Kolkata, Visakhapatnam, Coimbatore, Kochi, Vadodara, Jaipur, and many other locations throughout India.

Our extensive inventory ensures quick deliveries for small, medium, and bulk industrial requirements.


Why AM Industries?

AM Industries is recognized as a trusted Stainless Steel 304L ERW Pipes Suppliers in India by offering premium-quality stainless steel piping solutions with competitive pricing and reliable service.

Our advantages include:

  • Large Ready Stock

  • ASTM & ASME Standard Products

  • Strict Quality Inspection

  • Fast Delivery Across India

  • Customized Lengths Available

  • Export Quality Packaging

  • Competitive Prices

  • Experienced Technical Support

  • Bulk Order Supply

  • Worldwide Export Capability


Frequently Asked Questions (FAQs)

What is the difference between Stainless Steel 304 and 304L ERW Pipes?

304L contains lower carbon content than 304, providing improved weldability and better resistance to intergranular corrosion after welding.

Are ASTM A312 TP304L ERW Pipes suitable for chemical industries?

Yes. Their excellent corrosion resistance makes them suitable for chemical processing, pharmaceuticals, food processing, and water treatment plants.

What sizes are available?

They are commonly available from ½ Inch to 24 Inch NB in SCH 5 to SCH XXS.

Are Stainless Steel 304L ERW Pipes suitable for high-temperature applications?

Yes. They offer excellent oxidation resistance and reliable performance in moderately high-temperature environments.

Do you provide custom lengths?

Yes. AM Industries supplies customized lengths, schedules, and finishes according to project requirements.


Order Premium Stainless Steel 304L ERW Pipes from AM Industries

If you are looking for reliable Stainless Steel 304L ERW Pipes Suppliers in India, AM Industries offers high-quality ASTM A312 TP304L ERW Pipes that meet international standards for strength, durability, and corrosion resistance. With a large inventory, competitive pricing, and timely delivery, we serve diverse industrial sectors across India and export globally.

Contact AM Industries

Website: https://www.am-industries.com
Email: [email protected]
Phone: +91-XXXXXXXXXX

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Meta Description: Looking for Stainless Steel 304L ERW Pipes Suppliers in India? AM Industries supplies ASTM A312 TP304L ERW Pipes with superior corrosion resistance, multiple sizes, competitive prices, and fast delivery across India.