Adinox Overseas is a prominent name in the stainless steel industry, offering a wide range of premium-grade Stainless Steel 321H Round Bars. Manufactured using top-quality raw materials and advanced technology, these round bars are engineered to perform under extreme environments. SS 321 is an austenitic stainless steel stabilized with titanium, which provides excellent resistance to intergranular corrosion even after exposure to temperatures in the chromium carbide precipitation range of 427°C to 816°C.

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Adinox Overseas is a trusted manufacturer and supplier of high-performance Stainless Steel 321H Round Bars, designed to meet the most demanding industrial applications. These round bars are engineered from austenitic stainless steel, with enhanced carbon content for increased strength and structural stability at elevated temperatures. The material conforms to ASTM A276 and corresponds to the universal standard UNS S32109, making it a reliable choice for critical applications in thermal processing, oil refineries, chemical plants, and power generation units.

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The SS 321H Round Bars are an advanced version of grade 321, particularly suited for high-temperature environments due to their superior creep strength and resistance to intergranular corrosion after exposure to high temperatures. The presence of titanium in the alloy formulation improves stabilization and enhances the material’s resistance to carbide precipitation, making it perfect for long-term service in aggressive heat-affected environments.

Stainless Steel 321H Round Bars in India, Stainless Steel 321H Round Bars Manufacturers in India, Stainless Steel 321H Round Bars Suppliers in India, Stainless Steel 321H Round Bars Stockists in India, Stainless Steel 321H Round Bars Exporters in India

At Adinox Overseas, we supply Stainless Steel 321H Rods in a wide range of diameters and lengths to suit diverse engineering needs. These bars exhibit excellent weldability and formability, which makes them adaptable for fabrication in various components such as heat exchangers, boiler tubes, exhaust manifolds, pressure vessels, and structural piping systems. Moreover, the mechanical properties of 321H remain stable across varying temperature ranges, ensuring exceptional durability and long-term operational reliability.

Stainless Steel 321H Round Bars in Mumbai, Stainless Steel 321H Round Bars Manufacturers in Mumbai, Stainless Steel 321H Round Bars Suppliers in Mumbai, Stainless Steel 321H Round Bars Stockists in Mumbai, Stainless Steel 321H Round Bars Exporters in Mumbai

Specifications Of Stainless Steel 321H Round Bars

Standard	ASTM B166, ASME SB166
Round Bar Size	3mm~ 800mm
Square Bar Size	4mm* 4mm ~100mm* 100mm
Flat Bar Size	2mm ~ 100mm
Hex Bar Size	2mm ~ 100mm
Angle Size	3mm* 20mm* 20mm~ 12mm* 100mm* 100mm
Thickness	50 mm to 6000 mm Long
Length	1 To 6 Meters, Custom Cut Length
Form	Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc

Chemical Composition for Stainless Steel 321H Round Bars

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N	Other
321H	min. max	0.04 0.10	2.00	0.75	0.045	0.030	17.0 19.0	-	9.0 12.0	-	Ti=4(C+N) 0.70

Mechanical Properties Of Stainless Steel 321H Round Bars

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Rockwell B (HR B) max	Brinell (HB) max
321H	515	205	40	95	217
321H also has a requirement for a grain size of ASTM No 7 or coarser.

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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