Stainless Steel 304H Seamless Pipes

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Stainless Steel 304H Seamless Pipes Manufacturer, Supplier and Exporter in Kuala lumpur, Malaysia

Maria Pipes and Tubes, located in Kuala Lumpur, Malaysia, has earned a solid reputation as a reliable manufacturer and supplier of top-notch stainless steel piping solutions. Their Stainless Steel 304H Seamless Pipes are designed to deliver outstanding strength and resist corrosion, especially in high-temperature settings. Crafted with precision through seamless manufacturing and adhering to international standards, these pipes are perfect for demanding industries like power generation, petrochemicals, and food processing—where dependability and durability in tough conditions are a must.

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These Stainless Steel 304H Seamless Pipes boast a high-carbon austenitic alloy composition, featuring carbon content between 0.04% and 0.10%, along with 18–20% chromium and 8–10.5% nickel. Mechanically, they provide a minimum tensile strength of 515 MPa, a yield strength of 205 MPa, an elongation of 40%, and maximum hardness values of HRB 92 (or HB 201). Their density is around 8 g/cm³, offering excellent thermal stability and physical properties that make them suitable for both structural and fluid-handling applications.

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 Maria Pipes and Tubes?

You’ll find Stainless Steel 304H Seamless Pipes widely used in high-temperature and corrosive environments, such as superheaters and reheaters in power plants, heat exchangers, condensers, and chemical reactors. They’re also utilized in oil and gas processing, pharmaceutical systems, food and beverage piping, and architectural construction where both mechanical strength and hygienic performance are essential.

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Largest 304H Stainless Steel Seamless Pipes Supplier in Kuala lumpur, Malaysia

Maria Pipes and Tubes, one of the largest suppliers of Stainless Steel 304H Seamless Pipes in Kuala lumpur, Malaysia, 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 Maria Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@mariapipes.com.

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Stainless Steel 304H Seamless Pipes are widely used in various industries due to their excellent mechanical properties and corrosion resistance. Typical applications include chemical plants, steam facilities, and oil and gas plants, and they are also used in high-temperature pipeline applications, such as heat exchangers and water in the production of water, and electricity. In addition, 304H pipe is used in the food and beverage manufacturing, pharmaceutical and marine environments, where durability and purity are required to ensure product safety and quality.