Stainless Steel 321H Flanges

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Stainless Steel 321H Flanges Manufacturer, Exporter and Supplier in California, USA

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Stainless steel 321H flanges are primarily alloyed with 17-19% chromium, 9-12% nickel, and 0.04-0.10% high carbon, with titanium added to stabilize the system and deliver good resistance to oxidation and corrosion, particularly in high-temperature zones, up to 900°C. Their high strength and intergranular corrosion resistance make them well suited for use in the aerospace and petrochemical industries. Advantages include great durability, corrosion resistance, and outstanding performance under extreme conditions.

Stainless Steel 321H Flanges Specifications

Specifications List	ASTM A182 / ASME SA182
Class / Pressure Rating	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Size Chart	1/2″ (15 NB) to 48″ (1200NB)
ASTM Standards	ANSI/ASME B16.5, B16.48, BS4504, B 16.47 Series A & B, BS 10, EN-1092, DIN, etc.
Standard Flange	ANSI, ASME, BS, DIN, EN etc.

Stainless Steel 321H Flanges Chemical Composition

Grade	C	Mn	Si	P	S	Cr	N	Ni	Ti
SS 321	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	0.10 max	9.00 – 12.00	5(C+N) – 0.70 max

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Stainless Steel 321H Flanges Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1457 °C (2650 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Top Stainless Steel 321H Flanges Manufacturing Company in California

At Sumakhsteel, we’re proud to be the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically placed across the USA, we maintain an extensive stock of more than 25,000 tons of top-grade materials on hand and ready to ship.

Reach out to us for a fast quote tailored to your needs.

We supply These Stainless Steel 321H Flanges in accordance with DIN, ISO, JIS or ANSI Standard.

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Advantages of Stainless Steel 321H Flanges

Water resistance: Stainless Steel 321H flanges provide strong resistance to water and moisture, which makes them well-suited for settings exposed to water or humidity. Such resistance guards against rust and corrosion, delivering dependable performance across a wide range of applications.
High strength: Recognized for their outstanding tensile strength, Stainless Steel 321H flanges are able to endure high pressure and mechanical stress. This robustness makes them appropriate for demanding industrial uses where durability and dependability matter most.
Versatility: Stainless Steel 321H flanges deliver versatility across a variety of industries thanks to their capacity to function well over a spectrum of temperatures and conditions. They are applicable in chemical processing, petrochemical, and aerospace settings.
Easy to manufacture: These flanges are comparatively simple to machine and fabricate, enabling efficient production and customization. Their flexibility within manufacturing processes means they can be made to exact specifications for a variety of applications.
Longevity: Stainless Steel 321H flanges are built for extended use, with resistance to high temperatures and corrosive environments that prolongs their service life. This durability lessens the need for frequent replacements, offering cost-effective and dependable performance.

Types of Stainless Steel 321H Flanges

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Stainless Steel 321H Flanges Uses

Application Industry

Stainless Steel 321H Flanges applications are as varied as the industries they cater to, propelled chiefly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

Oil & Gas Industry

Aerospace Industry

Petro Chemical Industry

Power Generation Industry

Can Stainless Steel 321H Flanges be recycled after use?

Yes, Stainless Steel 321H flanges are recyclable. Stainless steel offers excellent recyclability and keeps its characteristics across many recycling cycles, which makes it an environmentally responsible material option. Make sure sorting and processing are done correctly to preserve quality in recycled products.

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