Stainless Steel 304H Seamless Pipes

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Stainless Steel 304H Seamless Pipes Manufacturer, Supplier and Exporter in Houston , USA

Liam Pipes and Tubes, located in Houston, USA, stands out as a top manufacturer and supplier of Stainless Steel 304H Seamless Pipes, designed specifically for high-temperature and high-pressure situations. This high-carbon variant of 304 offers enhanced strength, heat resistance, and creep performance, particularly in environments that exceed 500°C. Liam’s seamless 304H pipes are crafted in line with ASTM A312 and ASME SA312 standards, guaranteeing exceptional dimensional accuracy, pressure containment, and corrosion resistance. These pipes are perfect for power plants, refineries, heat exchangers, and boilers, where thermal stability and long-lasting mechanical performance are vital.

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Stainless Steel 304H Seamless Pipes are made up of chromium (18–20%), nickel (8–11%), and carbon (0.04–0.10%), which together provide remarkable high-temperature strength and creep resistance. They boast a tensile strength ranging from 515 to 740 MPa and a yield strength of 205 MPa, along with excellent oxidation and corrosion resistance. The seamless manufacturing process guarantees uniformity, high pressure tolerance, and leak-free performance. 304H is particularly well-equipped to handle prolonged exposure to high temperatures, making it a go-to material for thermal processing and pressure-retaining systems in critical industrial operations.

Stainless Steel 304H Seamless Pipes Specification

Range : 6NB to 1200NB

Outer Diameter : 1/8″ NPS to 12″ NPS

Thickness : 0.6 mm to 12.7 mm

Schedules : SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.

Length : Single Random, Double Random & Cut Length

Specifications : ASTM A312 / ASTM SA312

Types : Round, Square, Rectangle, Hydraulic, Honed Tubes

End : Plain End, Beveled End

Equivalent Grades for Stainless Steel 304H Seamless Pipes

STANDARD	UNS	WERKSTOFF NR.
SS 304H	S30409	1.4301

304H Stainless Steel Seamless Pipes Chemical Composition

SS	304H
Ni	8 – 11
Fe	Balance
Cr	18 – 20
C	0.04 – 0.10
Si	0.75 max
Mn	2 max
P	0.045 max
S	0.030 max
N

SS 304H Seamless Pipes Mechanical Properties

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	92
Brinell (HB) max	201

If You Are Looking To Buy High Quality

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Why Choose 304H Stainless Steel Seamless Pipes from Liam Pipes and Tubes?

Choosing Stainless Steel 304H Seamless Pipes from Liam Pipes and Tubes ensures high quality and durability, as these tubing offer excellent corrosion resistance and strength. Our commitment to exceptional service and reliable delivery guarantees customer satisfaction across various industrial applications. Our expertise in stainless steel products ensures you receive a top-tier solution tailored to your needs.

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Largest 304H Stainless Steel Seamless Pipes Supplier in Houston , USA

Liam Pipes and Tubes, one of the largest suppliers of Stainless Steel 304H Seamless Pipes in Houston , USA, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.

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Grade specifications of SS 304H Seamless Pipes

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
304H	S30409	304S51	–	1.4948	X2CrNi19-11	–	–

Physical Properties of SS 304H Seamless Pipes

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (m/m/0C)			Thermal Conductivity (W/m.K)		Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
			0-1000C	0-3150C	0-5380C	at 1000C	at 5000C
304H	8000	193	17.2	17.8	18.4	16.2	21.5	500	720

Types of 304H Stainless Steel Seamless Pipes

Are Custom Sizes Available for 304H Stainless Steel Seamless Pipes?

Yes, we offer custom sizes for Stainless Steel 304H Seamless Pipes to meet your specific requirements. Our team at Liam Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@liampipes.us.

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Stainless Steel 304H Seamless Pipes find extensive use in boilers, heat exchangers, superheaters, pressure vessels, and power generation equipment, where high-temperature strength and oxidation resistance are essential. They are also employed in refineries, petrochemical plants, and chemical processing systems for transporting hot fluids and gases. The high carbon content boosts the material’s creep resistance, making it ideal for continuous operation at elevated temperatures. Furthermore, 304H seamless pipes are favored for their reliability in demanding industrial environments, ensuring safety and efficiency in various applications.