ASTM A240 SS 304 Plate Supplier and Manufacturer In India
What are Stainless Steel 304 Plates?
Stainless Steel 304 Plates are flat stainless steel sheets manufactured from a chromium-nickel austenitic stainless steel grade containing approximately 18% chromium and 8% nickel. Known under specifications such as ASTM A240 304 plate, UNS S30400 plate, and 1.4301 stainless steel plate, these plates offer excellent corrosion resistance, weldability, heat resistance, and formability for industrial and commercial applications.
Common thickness options include 2mm SS 304 plate, 5mm SS 304 plate, and custom sizes available in hot rolled, mirror finish, and chequered patterns.
Stainless Steel 304 Plates – ASTM A240 304 Plate, UNS S30400 Plate Supplier
Stainless Steel 304 Plates are among the most widely used stainless steel flat products across industries due to their excellent corrosion resistance, strength, fabrication properties, and cost efficiency. These plates are designed for applications that require durability, clean surface finish, and reliable performance in normal and moderately corrosive environments.
We supply and manufacture high-quality Stainless Steel 304 Plates in multiple dimensions, finishes, and specifications to support industrial requirements across construction, food processing, petrochemical, fabrication, engineering, automotive, marine, and architectural sectors.
As an experienced SS 304 plate manufacturer in India, we maintain quality standards, dimensional accuracy, and dependable material availability to help customers reduce downtime and simplify procurement.

Key Features of 1.4301 Stainless Steel Plate
Choosing SS 304 plates provides several operational advantages:
- Excellent corrosion resistance in atmospheric environments
- Strong oxidation resistance at elevated temperatures
- Easy fabrication and forming capability
- Superior weldability using conventional methods
- Hygienic and easy-to-clean surface
- Attractive appearance with multiple finish options
- Long service life with reduced maintenance costs
Types of Stainless Steel 304 Plates We Supply
Selecting the right plate type improves product life, fabrication efficiency, and overall project performance.
2mm SS 304 Plate
A preferred option for fabrication projects requiring lightweight construction, easy bending, and excellent surface quality.
3mm Stainless Steel 304 Plate
Suitable for industrial panels, machinery components, fabrication structures, and engineering applications.
5mm SS 304 Plate
Used where greater mechanical strength and structural support are required.
Hot Rolled SS 304 Plate
Produced at elevated temperatures, offering improved toughness and suitability for heavy industrial environments.
SS 304 Mirror Finish Plate
Manufactured with a highly reflective surface suitable for decorative, architectural, elevators, and interior applications.
SS 304 Chequered Plate
Designed with anti-slip patterns and widely used for flooring, staircases, platforms, and industrial walkways.


Stainless Steel 304 Plate Specifications
We supply Stainless Steel 304 Plates in accordance with international standards to ensure dependable performance and material consistency.
| Specification | Details |
| Material Grade | Stainless Steel 304 |
| Standard | ASTM A240 304 Plate |
| UNS Number | UNS S30400 Plate |
| Werkstoff Number | 1.4301 Stainless Steel Plate |
| Form | Plate, Sheet, Coil Cut Plate |
| Thickness Range | 2mm to 100mm |
| Width | 1000mm – 2500mm |
| Length | Custom Cut Available |
| Finish | 2B, BA, Mirror, Hot Rolled |
| Processing | Laser Cutting, Plasma Cutting |
Chemical Composition of ASTM A240 304 Plate
The balanced chemistry of Stainless Steel 304 Plates provides excellent corrosion resistance and mechanical performance.
| Element | Percentage |
| Chromium (Cr) | 18.0–20.0% |
| Nickel (Ni) | 8.0–10.5% |
| Carbon (C) | 0.08% Max |
| Manganese (Mn) | 2.0% Max |
| Silicon (Si) | 1.0% Max |
| Phosphorus (P) | 0.045% Max |
| Sulfur (S) | 0.03% Max |
Mechanical Properties of UNS S30400 Plate
| Property | Value |
| Tensile Strength | 515 MPa Min |
| Yield Strength | 205 MPa Min |
| Elongation | 40% Min |
| Hardness | 92 HRB Max |
Physical Properties Chart of A240 TP304 304 Plates
| Property | Value |
| Density | 8.00 g/cm³ |
| Melting Point | 1400 – 1450 °C |
| Thermal Conductivity (100 °C) | 16.2 W/m·K |
| Electrical Resistivity (20 °C) | 0.72 µΩ·m |
| Specific Heat Capacity (0–100°C) | 500 J/kg·K |
| Coefficient of Expansion | 17.2 µm/m·°C (0 – 100 °C) |
| Magnetic Properties | Non-magnetic (Annealed) |
| Modulus of Elasticity | 193 GPa |
Applications of Stainless Steel 304 Plates
Because of their versatility, Stainless Steel 304 Plates are widely used in multiple industries.
- Industrial Equipment: Used in process tanks, pressure vessels, and fabrication structures.
- Food Processing Industry: Ideal for hygienic production environments and processing lines.
- Architectural Projects: Applied in façade systems, decorative panels, and building interiors.
- Chemical Processing: Suitable for moderate chemical exposure and fluid handling.
- Transportation & Automotive: Used in structural components and fabricated assemblies.
- Marine Components: Selected for applications requiring resistance to moisture and environmental exposure.
Stainless Steel Plate Grades
- Stainless Steel 304 Plate
- Stainless Steel 304l Plate
- Stainless Steel 304H Plate
- Stainless Steel 309H Plate
- Stainless Steel 310 Plate
- Stainless Steel 310S Plate
- Stainless Steel 310H Plate
- Stainless Steel 316 Plate
- Stainless Steel 316L Plate
- Stainless Steel 316H Plate
- Stainless Steel 316TI Plate
- Stainless Steel 317 Plate
- Stainless Steel 317L Plate
- Stainless Steel 321 Plate
- Stainless Steel 321H Plate
- Stainless Steel 347 Plate
- Stainless Steel 410 Plate
- Stainless Steel 446 Plate
- Stainless Steel 904L Plate
Why Choose Us as Your SS 304 Plate Stockist?
Selecting the right supplier directly impacts material performance and project timelines.
We focus on delivering:
- Reliable inventory availability
- Accurate dimensions and tolerance control
- Material traceability and inspection support
- Fast processing and dispatch
- Competitive pricing for bulk and project requirements
- Multiple surface finish and custom cutting options
As a dependable SS 304 plate stockist, we support both standard supply and customized industrial requirements.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality 304 stainless steel plates. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
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