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1/4 Stainless Steel Plate 304
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Thickness: 1/4
Product Type: Stainless Steel Plate
Material: 304 Stainless Steel
Product Overview
304 stainless steel plate (AISI 304) is an austenitic alloy celebrated for its balanced mechanical properties, corrosion resistance, and affordability. Composed of 16–18% chromium, 8–10.5% nickel, and trace carbon, it forms a stable passive chromium oxide layer on the surface, resisting oxidation in mild to moderate environments. As a trusted 304 stainless steel plate supplier, we offer competitively priced plates compliant with ASTM A240, ISO 3585, and GB/T 20878 standards, catering to global infrastructure, construction, and manufacturing demands.
Key Specifications & Technical Attributes
Table 1: Core Specifications of 304 Stainless Steel Plate
| Specification | Details |
|---|---|
| Thickness | 0.5mm – 250mm (standard), Custom thickness available |
| Width | 600mm – 3,000mm (standard), Up to 6,000mm for large orders |
| Length | 1,200mm – 12,000mm (standard), Tailored lengths per project requirement |
| Hardness | Rockwell B 85–95, Brinell 190–220 (depending on heat treatment) |
| Corrosion Resistance | Resistant to atmospheric corrosion, water, and organic acids |
| Heat Resistance | Sustainable up to 870°C (continuous exposure), Ideal for moderate-temperature applications |
| Density | 8.03 g/cm³ |
| Young’s Modulus | 193 GPa |
Mechanical Properties & Performance
1. Tensile Strength & Bending Strength
304 stainless steel plate delivers exceptional tensile strength (515–700 MPa) and bending strength (420–570 MPa), making it suitable for bridges, railings, and pressure vessels. Its ductility enables easy fabrication through welding, cutting, or bending, while its fatigue resistance ensures long-term performance in dynamic environments like automotive exhaust systems or conveyor belts.
2. Corrosion Resistance Mechanism
The chromium oxide layer in 304 stainless steel plate acts as a self-healing barrier against rust and corrosion. However, its effectiveness diminishes in highly corrosive environments (e.g., seawater, chlorides, or strong acids). For such scenarios, upgrading to 316 stainless steel plate (with molybdenum) is recommended.
3. Weight Calculation
Determining the weight of a 304 stainless steel plate is straightforward:
Weight (kg/m²) = Thickness (mm) × Density (g/cm³) / 10
Example: A 12mm-thick plate weighs 9.64 kg/m². Our team provides free weight estimates for bulk orders, including logistics and handling fees.
4. Common Rusting Issues & Solutions
Even 304 stainless steel plate may rust under specific conditions:
- Chloride Exposure: Saltwater, road salts, or cleaning agents containing chlorine can degrade the passive layer. Regular maintenance and coatings (e.g., epoxy) mitigate this risk.
- Mechanical Damage: Scratches or weld spatter exposes bare metal, accelerating oxidation. Proper handling and post-processing (e.g., passivation) reduce this likelihood.
- Carbon Contamination: Low-carbon variants (304L) minimize sensitization during welding, preventing intergranular corrosion.
Manufacturing Process & Quality Assurance
Table 2: Production Workflow
| Step | Process | Purpose |
|---|---|---|
| Raw Material | High-purity chromium, nickel, and carbon | Maintains alloy composition accuracy |
| Hot Rolling | Controlled heating at 1,050°C | Achieves uniform microstructure |
| Cold Rolling | Precision rolling at room temperature | Enhances surface finish and dimensional accuracy |
| Annealing | Solution annealing at 850°C | Removes internal stresses |
| Pickling & Passivation | Acid treatment to remove impurities | Restores corrosion resistance |
| Quality Control | UT, MT, and chemical analysis | Ensures compliance with international standards |
Applications Across Industries
- Construction: Exterior cladding, roofing, and staircases due to sleek appearance and low maintenance.
- Food Processing: Tanks, conveyors, and equipment resistant to FDA-approved cleaning agents.
- Automotive: Exhaust systems, trim panels, and interior components requiring hygiene and durability.
- Marine: Boat hulls, dock structures, and freshwater piping (limited to non-seawater exposure).
Why Choose Our 304 Stainless Steel Plate?
- Competitive Pricing: As leading 304 stainless steel plate suppliers, we offer unbeatable prices without compromising quality, ideal for budget-sensitive projects.
- Customization: Tailored dimensions, surface finishes (polished, matte, brushed), and certifications (ISO, ASTM) for niche applications.
- Rapid Delivery: State-of-the-art facilities ensure prompt delivery, with expedited shipping options for urgent orders.
- Technical Expertise: Free design support, material selection guidance, and compliance documentation for global markets.
- Sustainability: Eco-friendly production practices and recycling programs align with ESG standards.
Frequently Asked Questions (FAQs)
Q: What is the difference between 304 and 316 stainless steel plate?
A: 304 lacks molybdenum, making it less resistant to chlorides and acids. Opt for 316 in marine or chemical environments.
Q: Can 304 stainless steel plate be welded?
A: Yes, compatible with TIG, MIG, and plasma welding. Use 304L for thinner gauges to avoid weld decay.
Q: How does pricing vary for 304 stainless steel plate?
A: Price depends on thickness, width, surface finish, and certifications. Bulk orders typically receive discounts.
Q: What causes rust in 304 stainless steel plate?
A: Chloride exposure, mechanical damage, or carbon contamination. Regular maintenance and proper handling mitigate risks.
Conclusion
304 stainless steel plate remains a cornerstone of industrial and commercial applications, offering an ideal blend of cost-effectiveness, durability, and versatility. At [Your Company Name], we are committed to delivering premium 304 stainless steel plate at competitive prices, backed by rigorous quality control and exceptional customer service. Partner with us to unlock the full potential of this alloy for your next project!
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