Custom Stainless Steel Parts Manufacturer
304H stainless steel
ATA: Custom Stainless Steel Fabricator Specializing in Precision Stainless Steel Bending
Custom Manufacturer
ATA: Professional 304H Stainless Steel Fabrication with High-Temperature Stability
As a leading custom stainless steel fabricator, ATA delivers specialized, high-precision processing services for 304H stainless steel, leveraging advanced manufacturing equipment and strict quality control to unlock the material’s high-temperature strength and creep resistance, meeting the strict performance and dimensional requirements of high-heat industrial and engineering projects worldwide. The table below outlines standardized and customizable dimensional ranges and tight tolerance controls for 304H stainless steel processing.
Processing Category | Standard Dimension Range | Controlled Tolerance Range |
|---|---|---|
Sheet Metal Processing | 1.0mm – 60mm thickness; 100mm – 6000mm length/width | ±0.03mm (precision components); ±0.06mm (standard components) |
Bar & Profile Processing | 8mm – 700mm outer diameter; 100mm – 12000mm length | ±0.02mm (diameter); ±0.5mm (length cutting) |
CNC Machined Parts | 5mm – 800mm machining dimension | ±0.01mm (precision machining) |
Structural & Welded Components | Fully customized per project drawings | ±0.05mm – ±0.1mm (ISO 2768 compliant) |
Why Your Project Requires 304H Stainless Steel
304H stainless steel is a high-carbon, high-temperature grade of austenitic stainless steel, engineered to deliver exceptional elevated-temperature strength, creep resistance, and long-term structural stability at temperatures up to 650°C, while retaining the core corrosion resistance of classic 300-series stainless steel. Unlike standard low-carbon austenitic grades, 304H stainless steel is purpose-built for high-heat industrial environments, making it ideal for energy production, petrochemical processing, industrial furnace components, and high-temperature piping systems. Its balanced performance profile combines reliable corrosion resistance, excellent weldability (with proper heat treatment), and consistent mechanical properties at elevated temperatures, making it a cost-effective, high-performance choice for critical high-heat applications across global industries.
Material Grade | Core Performance Difference | Ideal Application Scenario |
|---|---|---|
304 Stainless Steel | Standard carbon content, moderate temperature resistance, limited high-heat strength | General indoor/outdoor applications, normal temperature industrial components |
304L Stainless Steel | Ultra-low carbon, superior weld corrosion resistance, poor high-temperature strength | Welded hygiene equipment, low-temperature corrosion-resistant parts |
304H Stainless Steel | High carbon (0.04-0.10%), exceptional high-temperature creep strength & stability | High-temperature piping, furnace components, energy & petrochemical equipment |
ATA Stainless steel fabrication
ATA 304H Stainless Steel Products
304H Stainless Steel Pressure Vessel
Designed for high-temperature and high-pressure industrial systems, this vessel offers exceptional heat stability and pressure resistance, suitable for energy, petrochemical, and heat exchange applications.
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304H Stainless Steel Pipe Fittings
Includes elbows, tees, and flanges, engineered for high-temperature fluid transportation, with stable performance under long-term heat exposure and reliable weld joint integrity.
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304H Stainless Steel Structural Components
Used in high-temperature industrial frameworks and furnace structures, delivering superior load-bearing strength and creep resistance at elevated operating temperatures.
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304H Stainless Steel Round Bar
Ideal for high-temperature fasteners, shafts, and mechanical components, with consistent hardness and strength at elevated temperatures, resisting deformation under heat stress.
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304H Stainless Steel Enclosure
Protects electrical and control components in high-heat industrial environments, with heat-resistant structural integrity and corrosion resistance for long-term reliable use.
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Drawered Stainless Steel Workbench
End-to-End Customization: From concept to production, we handle it all
Precision Engineering: Advanced machinery and skilled craftsmanship
Fast Turnaround: Quick quotes, rapid prototyping, on-time delivery
Export-Ready Packaging: Safe and secure for international shipping
ATA Stainless steel fabrication Center
ATA Stainless Steel fabrication: One-Stop Precision Solutions for Your Stainless Steel Needs.
304H Stainless Steel Technical Specs
Chemical Composition (Typical Range, ASTM Standard)
Element | Mass Fraction Range (%) |
|---|---|
Carbon (C) | 0.04 – 0.10 |
Chromium (Cr) | 18.00 – 20.00 |
Nickel (Ni) | 8.00 – 12.00 |
Manganese (Mn) | ≤2.00 |
Silicon (Si) | ≤1.00 |
Phosphorus (P) | ≤0.045 |
Sulfur (S) | ≤0.030 |
Nitrogen (N) | ≤0.10 |
Mechanical Properties (Typical Values, Annealed Condition)
Performance Parameter | Typical Value |
|---|---|
Tensile Strength | ≥515 MPa |
Yield Strength (0.2% Offset) | ≥205 MPa |
Elongation (Break) | ≥40% |
Brinell Hardness (HB) | ≤215 HB |
Rockwell Hardness (HRB) | ≤95 HRB |
Maximum Operating Temperature | 650°C (long-term stable service) |
Fabrication Capabilities
ATA 304H Stainless Steel Fabrication Capabilities
- Maximum Processing Diameter/Length: For 304H stainless steel bars, pipes, and profiles, maximum machining diameter reaches 700mm, and maximum single-piece cutting/forming length is 12000mm, supporting large-scale high-temperature industrial components.
- Maximum Sheet Thickness Cutting: Supports stainless steel laser cutting and waterjet cutting for 304H stainless steel sheets up to 60mm thick, with clean, heat-distortion-free edges to preserve material strength.
- Processing Methods: Full-spectrum processing including stainless steel sheet fabrication, stainless steel pipe fabrication, stainless steel cnc machining, bending, and stamping, all calibrated for 304H’s high-strength properties.
- Welding Capabilities: Specialized laser welding stainless steel and TIG welding for 304H stainless steel, with controlled heat input to prevent carbon precipitation, paired with post-weld heat treatment for weld stability.
- Heat Treatment Capabilities: Professional solution annealing and stress-relief heat treatment for 304H stainless steel, optimizing high-temperature strength and creep resistance, eliminating processing-induced internal stress.
- Testing Capabilities: Full testing suite including dimensional inspection, high-temperature hardness testing, tensile strength testing, and passivation of stainless steel validation, with full material certification provided.
304H Stainless Steel Fabrication & Manufacturing Precautions
To maximize the high-temperature performance and processing quality of 304H stainless steel, ATA recommends targeted design optimizations during the drawing and engineering phase, tailored to the material’s high-carbon austenitic structure and high-heat application requirements:
- Groove Radius, Tolerance & Weld Reserve: Recommended internal groove radius ≥ R4mm to avoid stress concentration at high temperatures; reserve 1.5-2.5mm machining allowance for welded joints; avoid overly sharp corners to prevent heat-induced cracking.
- Surface Roughness Ra Recommendation: For high-temperature industrial components, Ra ≤ 3.2μm for standard parts, Ra ≤ 1.6μm for precision high-heat components; passivation treatment is recommended to enhance surface stability at elevated temperatures.
- Recommended Tolerance Grade: Follow ISO 2768-m (medium tolerance) for standard structural parts, ISO 2768-f (fine tolerance) for precision machined 304H components; ANSI B4.1 standards apply for inch-based custom orders.
- Additional Design Tips: Specify post-weld heat treatment requirements on drawings to retain 304H’s high-temperature strength; avoid excessive cold working to prevent material hardening and dimensional instability.
ATA 304H Stainless Steel Fabrication Capabilities FAQs
Q: How does ATA preserve the high-temperature strength of 304H stainless steel during welding?
A: ATA uses low-heat-input laser and TIG welding for 304H stainless steel, followed by controlled solution annealing heat treatment to prevent carbon precipitation and maintain the material’s core high-temperature creep resistance.
Q: Can ATA produce custom precision 304H stainless steel parts for high-temperature applications?
A: Yes, ATA offers full custom fabrication for 304H stainless steel, with stainless steel precision machined parts reaching ±0.01mm tolerance, fully customized to project-specific high-temperature performance requirements.
Q: Does ATA provide heat treatment certification for 304H stainless steel components?
A: Absolutely, ATA provides complete heat treatment records, material test reports (MTR), and performance verification documents for all 304H stainless steel products, confirming compliance with ASTM high-temperature standards.
Q: What surface finishes are available for ATA’s 304H stainless steel products?
A: ATA offers brushed, passivated, and mirror polished stainless steel finishes for 304H stainless steel, all designed to maintain corrosion resistance and stability in high-temperature environments.
Q: What is the typical lead time for custom 304H stainless steel fabrication orders?
A: Standard high-temperature components have a 10-15 business day lead time, while complex precision or large-batch 304H stainless steel parts take 20-28 business days, with expedited services available for critical industrial projects.
Premium Heat-Resistant Custom 304H Stainless Steel Products
ATA is your trusted professional manufacturer specializing in high-precision stainless steel fabrication, providing custom one-stop solutions for your projects.