Alliance Pipes & Fittings is one of the largest stainless steel plates suppliers, carbon steel plates suppliers, and alloy steel plates suppliers in Mumbai, India, serving industries across India and international markets. We are a leading supplier, stockholder, and exporter of industrial plates in a wide range of materials including Stainless Steel (SS), Duplex Stainless Steel (DSS), Super Duplex Stainless Steel (SDSS), Alloy Steel (AS), Carbon Steel (CS), Mild Steel (MS), Corten Steel / Weathering Steel, Abrasion Resistant / Wear Resistant, Nickel Alloys, Monel, Hastelloy, Inconel, Incoloy, Alloy 20, Alloy 904L, 254 SMO, Copper Nickel (CuNi), Titanium, and Aluminium Alloys, manufactured according to ASTM, ASME, and international standards.

Our industrial steel plates are widely used in oil & gas, petrochemical plants, refineries, power plants, pressure vessels, boilers, shipbuilding, offshore platforms, and heavy engineering industries. With ready stock available in multiple thicknesses, grades, and specifications, we ensure fast delivery and consistent quality for industrial projects worldwide.

Alliance Pipes & Fittings is recognized as a trusted steel plates supplier in India, offering materials sourced from leading mills with full traceability and Mill Test Certificates (MTC) as per EN 10204 3.1 / 3.2

We supply a comprehensive range of industrial steel plates for various applications.

Stainless steel plates are known for their excellent corrosion resistance, durability, and high strength.

Available Grades:

• Stainless Steel 304 / 304L / 304H
• Stainless Steel 316 / 316L / 316H
• Stainless Steel 310 / 310S
• Stainless Steel 321 / 321H
• Stainless Steel 347 / 347H
• Stainless Steel 904L

Stainless Steel plates are commonly used in chemical processing plants, marine applications, food processing equipment, and pharmaceutical industries.

Duplex and Super Duplex steel plates are known for their excellent combination of high strength, superior corrosion resistance, and outstanding resistance to stress corrosion cracking. These plates offer higher mechanical strength than conventional stainless steels, making them ideal for high-pressure and highly corrosive environments.

Available Grades:

• Duplex Steel S31803 Plates (Duplex 2205)
• Duplex Steel S32205 Plates (Duplex 2205)
• Super Duplex Steel S32750 Plates (Super Duplex 2507)
• Super Duplex Steel S32760 Plates (Zeron 100)

Duplex and Super Duplex plates are widely used in offshore oil & gas platforms, petrochemical plants, desalination plants, marine equipment, chemical processing industries, and heat exchangers due to their excellent resistance to pitting corrosion, chloride stress corrosion cracking, and harsh seawater environments.
 

Carbon steel plates offer high strength and excellent mechanical properties, making them suitable for structural fabrication and pressure vessel applications.

Common Grades:

• ASTM A516 Gr. 60 / 65 / 70 NACE + HIC
• ASME SA516 Gr. 70
• ASME SA537 Class 1 & Class 2
• Boiler Quality Plates
• ASTM A36 Plates
• ASTM A283 Plates

Carbon Steel plates are extensively used in pressure vessels, boilers, oil storage tanks, structural fabrication, and heavy machinery manufacturing.

Alloy steel plates are designed to provide improved strength, hardness, and resistance to high temperatures.

Common Grades:

• ASTM A387 Grade 5
• ASTM A387 Grade 9
• ASTM A387 Grade 11
• ASTM A387 Grade 22
• ASTM A387 Grade 91

Alloy Steel plates are widely used in power plants, petrochemical plants, high-temperature equipment, and pressure vessel manufacturing.

Nickel alloy plates are known for their excellent corrosion resistance and high-temperature strength.

Available Grades:

• Nickel 200 Plates
• Inconel 600 Plates
• Inconel 625 Plates
• Incoloy 800 / 800H / 800HT Plates
• Incoloy 825 Plates
• Monel 400 Plates
• Hastelloy C276 Plates

Nickel Alloy plates are commonly used in chemical processing, offshore industries, and extreme temperature environments.

Aluminium alloy plates are known for their lightweight properties, excellent corrosion resistance, high strength-to-weight ratio, and superior thermal conductivity. These plates are widely used in aerospace, marine, transportation, structural fabrication, and industrial engineering applications where durability and reduced weight are essential.

Available Grades:

• Aluminium 2011 Plates
• Aluminium 2014 Plates
• Aluminium 2017 Plates
• Aluminium 2024 Plates
• Aluminium 5052 Plates
• Aluminium 5083 Plates
• Aluminium 5086 Plates
• Aluminium 5754 Plates
• Aluminium 6061 Plates
• Aluminium 6063 Plates
• Aluminium 6082 Plates
• Aluminium 7075 Plates

These plates are commonly used in aerospace components, marine structures, transportation equipment, pressure vessels, shipbuilding, and structural engineering applications due to their excellent machinability, corrosion resistance, and high mechanical strength.

Titanium plates are known for their exceptional strength-to-weight ratio, outstanding corrosion resistance, and excellent performance in extreme environments. These plates provide high durability, superior resistance to seawater and chemical corrosion, and excellent high-temperature stability, making them suitable for critical industrial applications.

Available Grades:

• Titanium Grade 1 Plates
• Titanium Grade 2 Plates
• Titanium Grade 5 Plates (Ti-6Al-4V) 

Titanium plates are widely used in aerospace components, chemical processing plants, marine equipment, desalination plants, medical equipment, heat exchangers, and offshore industries due to their lightweight properties, excellent corrosion resistance, and high mechanical strength.

Copper Nickel plates are known for their excellent resistance to seawater corrosion, biofouling resistance, and outstanding thermal conductivity. These plates provide high durability and excellent resistance to chloride environments, making them ideal for marine and offshore applications.

Available Grades:

• Copper Nickel 90/10 Plates (C70600 
• Copper Nickel 70/30 Plates (C71500)

Copper Nickel plates are widely used in marine engineering, shipbuilding, desalination plants, offshore oil & gas platforms, condensers, heat exchangers, and seawater piping systems due to their excellent resistance to seawater corrosion, high strength, and long service life.

Corten steel plates, also known as weathering steel plates, are known for their excellent atmospheric corrosion resistance and long service life. These plates develop a protective rust-like patina layer when exposed to weather conditions, which protects the material from further corrosion and eliminates the need for painting in many applications.

Available Grades:

• Corten A Plate 
• Corten B Plates
• ASTM A242 Corten Steel Plates
• ASTM A588 Corten Steel Plates

Corten steel plates are widely used in architectural structures, bridges, railway wagons, containers, outdoor sculptures, industrial structures, and construction projects due to their high strength, durability, and ability to withstand harsh environmental conditions.

Abrasion resistant (AR) plates are specially engineered high-strength steel plates designed to withstand severe wear, impact, and abrasion in harsh industrial environments. These plates offer exceptional hardness, high durability, and extended service life, making them ideal for applications where materials are exposed to continuous friction, heavy impact, and abrasive materials.

Available Grades:

• AR 400 Plate 
• AR 450 Plates
• AR 500 Plates 

Abrasion resistant plates are widely used in mining equipment, earthmoving machinery, crushers, dump trucks, conveyor systems, cement plants, construction equipment, and material handling equipment due to their high wear resistance, superior hardness, and ability to withstand extreme working conditions.

The steel plates supplied by Alliance Pipes & Fittings comply with international standards including:

• ASTM Standards
• ASME Standards
• EN Standards
• DIN Standards
   

Typical Specifications:

• ASTM A36
• ASTM A516 Gr. 70
• ASME SA516 Gr. 70
• ASME SA537 Class 1
• ASME SA537 Class 2
• ASTM A387 Alloy Steel Plates
   

All materials are supplied with Mill Test Certificates (MTC) ensuring chemical composition, mechanical properties, and traceability.

Steel plates are available in a wide range of dimensions.

Thickness Range

6 mm to 150 mm

Width

1000 mm to 3000 mm

Length

2000 mm to 12000 mm

Custom sizes and cut-to-size plates are also available based on project requirements.

Steel plates play a critical role in many industries due to their strength, durability, and structural reliability.

Common applications include:

• Pressure Vessels
• Boilers
• Oil & Gas Pipelines
• Petrochemical Plants
• Power Plants
• Storage Tanks
• Shipbuilding
• Structural Fabrication 
• Offshore Platforms
• Heavy Engineering Equipment
   

Our steel plates are widely supplied to industries such as:

• Oil & Gas Industry
• Petrochemical Industry
• Power Generation Plants
• Chemical Processing Plants
• Marine & Shipbuilding Industry
• Infrastructure Projects
• Heavy Engineering Industry
   

Alliance Pipes & Fittings is a trusted name in the industrial steel supply industry.

Key Advantages:

✔ Largest stockholder of steel plates in Mumbai

✔ Wide range of ASTM & ASME certified plates
✔ Ready stock for fast project delivery
✔ Competitive pricing
✔ Global export capability
✔ Complete material traceability
✔ Mill test certificates with every supply

✔ Quick delivery, custom sizes, and cutting services

With years of industry experience, we provide high-quality steel plates that meet international industrial standards.

Alliance Pipes & Fittings exports steel plates to multiple countries including:

• UAE
• Saudi Arabia
• Oman
• Qatar
• Kuwait
• Singapore
• Malaysia
• Europe
• Africa

Our global logistics network ensures safe packaging, documentation, and timely delivery worldwide.

Steel plates are widely used in pressure vessels, boilers, structural fabrication, petrochemical plants, shipbuilding, and heavy engineering industries due to their strength and durability.

The most commonly used grades include ASTM A516 Gr.70, ASME SA537 Class 1 & 2, ASTM A36, stainless steel plates, and alloy steel plates.

Yes. Steel plates are supplied with Mill Test Certificates (MTC) as per EN 10204 3.1 / 3.2 ensuring quality and traceability.

Alliance Pipes & Fittings is a leading supplier, stockholder and exporter of stainless steel, carbon steel and alloy steel plates in Mumbai, India.

Industries such as oil & gas, petrochemical plants, power plants, refineries, offshore platforms, and heavy engineering industries commonly use pressure vessel plates.

Steel Plates Supplier in Mumbai, India

Alliance Pipes & Fittings is one of the leading stainless steel plates suppliers, carbon steel plates suppliers, and alloy steel plates suppliers in Mumbai, India. We maintain ready stock of ASTM and ASME certified industrial steel plates used in oil & gas, petrochemical, offshore, marine, power plant, and pressure vessel applications.

Our extensive inventory and strong logistics network allow us to supply industrial steel plates across India and export to the Middle East, Europe, and Southeast Asia.