Stainless Steel 304H Pipes
Welcome to our detailed product overview of SS 304H Stainless Steel Pipes — a high-carbon austenitic stainless steel grade designed for demanding performance in elevated temperature environments and industrial applications. SS 304H is widely recognized for its excellent strength, corrosion resistance, high-temperature stability, and versatility across multiple industries worldwide.
What is 304H Stainless Steel?
Stainless Steel 304H is an austenitic grade with higher carbon content than standard 304 and 304L. This enables better mechanical properties at elevated temperatures and improved creep resistance — making it ideal for boilers, heat exchangers, pressure vessels, and high-temperature piping systems.
UNS Number S30409, Specification Standards:
• ASTM A312 TP 304H Stainless Steel Seamless Pipes
• ASTM A312 Stainless Steel 304H Welded Pipes
• Stainless Steel 304H Butt weld Fittings
• SS UNS S30409 Welded Pipe
These standards ensure performance, quality and repeatable results for all SS 304H piping solutions.
ASTM A312 TP 304H Stainless Steel Seamless Pipes Properties
Understanding the properties of 304H stainless steel is crucial for selecting the right material for your specific needs. Here are the key properties that make 304H stainless steel stand out:
- High Carbon Content: The “H” in 304H signifies its high carbon content, typically between 0.04% and 0.10%. This higher carbon content enhances the material’s strength and hardness at elevated temperatures.
- Excellent Heat Resistance: 304H stainless steel can withstand temperatures up to 800°C (1472°F) without losing its structural integrity. This makes it suitable for heat exchangers, boilers, and other high-temperature applications.
- Corrosion Resistance: While 304H stainless steel offers good corrosion resistance, it is particularly effective in environments where high temperatures and oxidation are factors.
- Tensile Strength: With a tensile strength of approximately 515 MPa (75 ksi), 304H stainless steel is robust and durable, making it suitable for demanding applications.
- Versatility: 304H stainless steel can be easily welded and fabricated, offering flexibility in manufacturing processes.
Benefits of 304H Stainless Steel Pipes
- Enhanced High-Temperature Strength: Due to its high carbon content, 304H stainless steel maintains superior strength and durability at elevated temperatures, making it ideal for high-temperature applications such as heat exchangers and industrial furnaces.
- Excellent Corrosion Resistance: 304H stainless steel pipes offer robust resistance to oxidation and corrosion, even in aggressive environments, ensuring a longer lifespan and reduced maintenance needs.
- Cost-Effective: While the initial investment in 304H stainless steel pipes may be higher, their exceptional durability and reduced maintenance costs make them a cost-effective solution over the long term.
- Versatility in Fabrication: The material’s excellent weldability and formability allow for easy fabrication and installation, providing flexibility for various industrial applications and custom designs.
- Reliability and Safety: The high-temperature strength and resistance to chemical attack ensure that 304H stainless steel pipes provide reliable and safe performance in critical applications, minimizing the risk of failures and enhancing overall operational safety.
ASTM A312 Stainless Steel 304H Welded Pipes Manufacturer
As a reputed ASTM A312 Stainless Steel 304H Welded Pipes manufacturer, we supply high-quality welded pipes suitable for structural and industrial applications. Our SS UNS S30409 Welded Pipe range is manufactured with precision welding and stringent quality checks.
Features of SS 304H Welded Pipes:
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Excellent weld integrity
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Cost-effective solution for large-diameter piping
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Smooth internal surface for efficient fluid flow
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Available in various finishes and schedules
We are also a reliable Stainless Steel S30409 Welded Pipes exporter, serving international markets with timely delivery.
Stainless Steel 304H Pipes Schedule and Size Chart
| Schedule | Nominal Pipe Size (NPS) | Outside Diameter (OD) (inches) | Wall Thickness (inches) |
| Schedule 10 | 1/8″ – 24″ | 0.405 – 24.000 | 0.049 – 0.312 |
| Schedule 40 | 1/8″ – 24″ | 0.405 – 24.000 | 0.068 – 0.500 |
| Schedule 80 | 1/8″ – 24″ | 0.405 – 24.000 | 0.095 – 0.718 |
| Schedule 160 | 1/8″ – 24″ | 0.405 – 24.000 | 0.188 – 1.312 |
| Schedule XXS | 1/8″ – 12″ | 0.405 – 12.750 | 0.273 – 1.000 |
Mechanical Properties Chart for SS 304H pipes
| Property | Value |
| Tensile Strength | 515 MPa (75 ksi) |
| Yield Strength | 205 MPa (30 ksi) |
| Elongation | 35% (in 50mm) |
| Hardness | 217 HB (Brinell Hardness) |
| Modulus of Elasticity | 193 GPa (28 x 10^6 psi) |
Specifications Chart for 304H SS pipes
| Standard | Specification |
| ASTM | A213, A312, A376, A403, A409, A813 |
| ASME | SA213, SA312, SA376, SA403, SA409, SA813 |
| UNS | S30409 |
| DIN/EN | 1.4948 |
Chemical Composition Chart for Stainless Steel 304H pipe
| Element | Composition (%) |
| Carbon (C) | 0.04 – 0.10 |
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 10.5 |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Nitrogen (N) | 0.10 max |
| Iron (Fe) | Balance |
Applications of 304H Stainless Steel Pipes
Our ASTM A312 TP 304H stainless steel seamless and welded pipes are widely used in:
| Industry | Application |
| Petrochemical Industry | Heat exchangers, piping systems |
| Power Generation | Boiler tubes, superheater tubes |
| Chemical Processing | Chemical reactors, piping for corrosive chemicals |
| Oil and Gas Industry | Offshore drilling rigs, refinery equipment |
| Industrial Furnaces | Furnace components, heat treatment equipment |
| Food and Beverage Industry | Piping systems, storage tanks, processing equipment |
As an experienced SS 304H pipes exporter, we ensure compliance with international project requirements.
Why Choose Stainless Steel 304H Pipes from ASC LLP?
At ASC LLP, we ensure that our Stainless Steel 304H Pipes meet the highest standards of quality and performance. Here’s why customers trust us:
- Quality Assurance: Each pipe undergoes rigorous testing and inspection to guarantee compliance with international quality standards.
- Wide Range of Sizes: Available in various sizes and dimensions to meet diverse application requirements.
- Competitive Pricing: Offering competitive prices without compromising on quality, ensuring cost-effectiveness for our customers.
- Expertise and Support: Backed by decades of experience, our team provides expert advice and support to help you find the right solution.
304H stainless steel welded and seamless is an exceptional material known for its high-temperature strength, durability, and corrosion resistance. At ASC LLP, we pride ourselves on offering top-quality 304H stainless steel pipes that meet the stringent requirements of various industries. Whether you are in the petrochemical, power generation, or chemical processing industry, our 304H stainless steel pipes provide the reliability and performance you need.
For more information on 304H stainless steel properties, applications, and pricing, feel free to contact us. Our team of experts is here to assist you in finding the right material for your specific needs. Choose ASC LLP for all your stainless steel requirements and experience the difference in quality and service.
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 stainless steel 304H pipes. 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.
