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1 4 304 Stainless Steel Plate

1/4 inch 304 stainless steel plate is one of the most commonly used medium-thickness stainless steel products in industrial fabrication, machinery manufacturing

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1/4" 304 Stainless Steel Plate: The Industry Standard — Complete Specifications, Properties & Buying Guide

1/4 inch 304 stainless steel plate is one of the most commonly used medium-thickness stainless steel products in industrial fabrication, machinery manufacturing, food equipment, architectural structures, and general engineering projects. With a thickness of approximately 6.35mm, this specification provides an excellent balance between structural strength, corrosion resistance, weldability, and fabrication flexibility.

As the most widely recognized stainless steel grade worldwide, 304 stainless steel plate is often selected as the industry standard material because it delivers reliable performance across a wide range of applications. For international buyers, understanding specifications, weight, finishes, standards, and sourcing options is essential when purchasing 1/4" 304 stainless steel plates.

What Is 1/4" 304 Stainless Steel Plate?

A 1/4" 304 stainless steel plate refers to a stainless steel plate with a nominal thickness of 0.25 inches, equal to approximately 6.35mm. It belongs to the austenitic 300 series stainless steel family and is widely used for applications requiring corrosion resistance and mechanical durability.

Specification	Details
Material Grade	304 Stainless Steel
Thickness	1/4 inch (6.35mm)
Material Type	Austenitic Stainless Steel
Standard	ASTM A240 / EN / JIS Standards
Common Finish	No.1, 2B, Brushed, Polished

Why 304 Stainless Steel Is the Industry Standard

304 stainless steel has become the global standard grade because of its balanced chemical composition and excellent overall performance. Unlike specialized stainless steel grades designed for extreme environments, 304 provides a practical solution for everyday industrial and commercial applications.

Excellent general corrosion resistance.
Outstanding welding performance.
Good forming and bending capability.
Easy machining and fabrication.
Suitable for food-grade applications.
Available worldwide with stable supply.

Chemical Composition of 304 Stainless Steel Plate

The performance of 304 stainless steel comes mainly from its chromium and nickel content, which creates a stable passive protective layer.

Element	Typical Content
Chromium (Cr)	18%-20%
Nickel (Ni)	8%-10.5%
Carbon (C)	≤0.08%
Manganese (Mn)	≤2%
Silicon (Si)	≤1%

Mechanical Properties of 1/4" 304 Stainless Steel Plate

Property	Typical Value
Tensile Strength	Approx. 515 MPa
Yield Strength	Approx. 205 MPa
Elongation	Approx. 40%
Hardness	≤201 HBW
Density	Approx. 7.93 g/cm³

1/4" 304 Stainless Steel Plate Weight Calculation

Weight calculation is important for international stainless steel purchasing because most suppliers quote based on weight.

Formula:
Weight (kg) = Length (m) × Width (m) × Thickness (mm) × 7.93

Plate Size	Thickness	Approximate Weight
4ft × 8ft (1219 × 2438mm)	6.35mm	Approx. 149kg
1500 × 3000mm	6.35mm	Approx. 227kg
2000 × 6000mm	6.35mm	605kg

Common Surface Finishes for 1/4" 304 Stainless Steel Plate

Different surface finishes allow 304 stainless steel plates to meet various industrial and architectural requirements.

Finish	Features	Applications
No.1 Finish	Hot rolled industrial surface	Heavy fabrication and equipment
2B Finish	Smooth cold rolled surface	General industrial applications
No.4 Brushed	Satin appearance	Kitchen and architectural projects
Mirror Finish	High reflective surface	Decorative applications

Applications of 1/4" 304 Stainless Steel Plate

The 6.35mm thickness makes this stainless steel plate suitable for applications requiring additional strength compared with standard sheets.

Food processing equipment.
Commercial kitchen structures.
Storage tanks.
Industrial machinery parts.
Architectural panels.
Pressure equipment components.
Transportation equipment.
Fabricated stainless steel structures.

1/4" 304 Stainless Steel Plate Fabrication Advantages

304 stainless steel plates at 1/4 inch thickness are widely used by manufacturers because they are easy to process while maintaining excellent mechanical performance.

Suitable for laser cutting.
Excellent welding compatibility.
Good bending performance.
Suitable for CNC machining.
Easy polishing and finishing.

304 vs 316 Stainless Steel Plate: Which One Should You Choose?

Feature	304 Stainless Steel	316 Stainless Steel
Corrosion Resistance	Excellent	Superior
Chloride Resistance	Moderate	Excellent
Cost	Lower	Higher
Main Applications	General industrial use	Marine and chemical environments

International Standards for 1/4" 304 Stainless Steel Plate

Standard	Region
ASTM A240	USA
EN 10088	Europe
JIS G4304	Japan
GB/T Standards	China

Why Choose Teda Ganghua 1/4" 304 Stainless Steel Plate?

Teda Ganghua supplies high-quality stainless steel plates and sheets for global customers, including 1/4 inch 304 stainless steel plates used in industrial manufacturing, construction, food equipment, machinery, and customized fabrication projects.

With professional stainless steel sourcing experience, strict quality inspection, customized processing capability, and international export service, Teda Ganghua helps customers select suitable stainless steel solutions based on grade, thickness, surface finish, and application requirements.

From standard stainless steel plates to customized cut-to-size solutions, Teda Ganghua provides reliable products for customers worldwide.

Explore our complete stainless steel product catalog to find 304 stainless steel plates, sheets, coils, and customized stainless steel solutions.

Frequently Asked Questions

What is the thickness of a 1/4" stainless steel plate?

A 1/4 inch stainless steel plate has a thickness of approximately 6.35mm.

Is 1/4" 304 stainless steel plate suitable for outdoor use?

Yes. 304 stainless steel performs well in most outdoor environments, but marine chloride environments may require 316 stainless steel.

How much does a 4×8 sheet of 1/4" 304 stainless steel weigh?

A standard 4ft × 8ft (1219 × 2438mm) 1/4 inch 304 stainless steel plate weighs approximately 149kg.

Can Teda Ganghua provide customized 1/4" 304 stainless steel plates?

Yes. Teda Ganghua provides customized sizes, cutting, surface processing, and stainless steel fabrication solutions according to customer requirements.