Kyaw Stainless, a well-respected manufacturer and supplier located in Naypyidaw, Myanmar, specializes in high-quality Stainless Steel 304H Pipes that are engineered for outstanding performance in high-temperature and corrosive settings. These pipes are crafted using cutting-edge technology and adhere to strict quality standards, ensuring they offer remarkable durability, strength, and resistance to oxidation. Kyaw Stainless is dedicated to providing precision-engineered piping solutions that align with international specifications. Renowned for their toughness and dependability, Stainless Steel 304H Pipes find extensive use in industries like petrochemical, power generation, chemical processing, and heat treatment, where reliable performance at elevated temperatures is a must.
The composition of Stainless Steel 304H Pipes primarily includes an austenitic chromium-nickel alloy, featuring around 18–20% chromium and 8–10.5% nickel, along with a higher carbon content compared to the 304 and 304L grades. This elevated carbon level boosts high-temperature strength and creep resistance. On a mechanical level, these pipes deliver high tensile and yield strength, exceptional oxidation resistance, and good ductility, ensuring they maintain structural integrity even when exposed to high heat for extended periods.
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Dimensions |
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ASTM, ASME and API |
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Standard |
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ASTM A312 / ASME SA312 |
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Size |
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1/8″NB TO 30″NB IN |
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Specialized in |
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Large Diameter Size |
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Schedule |
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SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
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Form |
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Round, Square, Rectangular, Hydraulic Etc |
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Type |
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Seamless / ERW / Welded / Fabricated / LSAW Pipes |
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Length |
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Single Random, Double Random & Cut Length. |
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End |
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Plain End, Beveled End, Threaded |
| Grade | 304H | |
|---|---|---|
| min | max | |
| C | – | 0.08 |
| Mn | – | 2.0 |
| Si | – | 0.75 |
| P | – | 0.045 |
| S | – | 0.03 |
| Cr | 16.0 | 18.0 |
| Mo | 2.0 | 3.0 |
| Ni | 10.0 | 14.0 |
| N | – | 0.10 |
| Grade | 304H | |
|---|---|---|
| Tensile Strength (MPa) min | 515 | |
| Yield Strength 0.2% Proof (MPa) min | 205 | |
| Elongation (% in 50mm) min | 40 | |
| Hardness | Rockwell B (HR B) max | 95 |
| Rockwell B (HR B) max | 217 | |
Contact us to get a quick quote for your requirement.
Stainless Steel 304H Pipes are used extensively in high-pressure and high-temperature environments because of their superior strength, toughness, and corrosion resistance. They are used in boilers, heat exchangers, pressure vessels, and power generation units to provide consistent performance even in harsh environments. They are highly required in chemical processing, petrochemical, and oil & gas industries to withstand oxidation and thermal stress. They are also employed in sea environments, refineries, and industrial piping systems to deliver long-term structural strength. Due to their better mechanical properties, they are the most suitable for steam piping and high-temperature structural members.
High-strength, corrosion-resistant tubes with a square cross-section. They are used in structural and architectural applications, offering durability and reliability in various industrial and commercial environments.
High-strength, corrosion-resistant tubes with no welded seams. Ideal for high-temperature and high-pressure applications, they offer durability and reliability in industries such as petrochemical and power generation.
High-strength tubes produced by welding, offering excellent corrosion resistance and durability. They are used in various industrial applications requiring reliable performance.
High-strength tubes with excellent corrosion resistance, used in heavy-duty applications like oil and gas pipelines and infrastructure projects.
High-strength tubes with a circular cross-section. They offer excellent corrosion resistance and are used in various applications, including construction, industrial processes, and infrastructure projects.
High-strength, corrosion-resistant tubes created by welding stainless steel strips. They are used in high-temperature and high-pressure applications, offering durability and reliability across various industries.
Stainless Steel 304H Pipes are widely utilized in high-temperature and pressure applications across a range of industries. They are particularly well-suited for boilers, heat exchangers, superheaters, and power generation systems. In refineries and chemical plants, they excel in corrosive and thermal environments. These pipes are also employed in steam piping, petroleum refining, and process equipment where high strength and oxidation resistance are vital. With their excellent weldability, formability, and long service life, Stainless Steel 304H Pipes are the go-to choice for demanding industrial and thermal service applications.
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