Stainless Steel 321H Round Bars

What are Stainless Steel 321H Round Bars?

Hindco Steel and Alloys is one of the trusted Stainless Steel 321H Round Bars Manufacturers in India, offering premium quality bars that meet global industrial standards. Known for excellent strength, superior resistance to heat, and long service life, these round bars are widely demanded in engineering, petrochemical, and construction industries across Asia, Europe, the Middle East, and the Americas. As leading Stainless Steel 321H Round Bars Suppliers, we ensure that each product delivers consistent performance even under the toughest conditions.

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Stainless Steel 321H Round Bars are high-carbon austenitic stainless steel bars that are stabilized with titanium. They are designed to offer excellent resistance to intergranular corrosion, especially at elevated temperatures. As reliable Stainless Steel 321H Round Bars Exporters, Hindco Steel and Alloys provides these bars in precise dimensions and customized finishes for clients worldwide, ensuring compliance with ASTM A276, A479, and ASME SA standards.

The advantages of using Stainless Steel 321H Round Bars include outstanding high-temperature strength, excellent weldability, and resistance to scaling up to 870°C. These properties make them ideal for thermal processing equipment and high-pressure environments. With Hindco Steel and Alloys being reputed Stainless Steel 321H Round Bars Stockists, customers benefit from quick availability, export-ready packaging, and competitive pricing in global markets such as the USA, UK, UAE, Germany, Singapore, and Australia.

Different types of Stainless Steel 321H Round Bars include hot-rolled bars, cold-drawn bars, polished bars, bright bars, and forged bars. Each type is manufactured to international standards, offering varying surface finishes, dimensional accuracy, and mechanical strength to suit industries ranging from aerospace to power generation. As top-tier Stainless Steel 321H Round Bars Manufacturers, we maintain strict quality control for every type, ensuring compliance with ASTM, DIN, EN, and JIS specifications.

Stainless Steel 321H Round Bars are widely used in critical industries where strength and heat resistance are crucial. In the petrochemical industry, these round bars are essential for furnace equipment, heat exchangers, and catalytic converters. In the power generation sector, they are trusted for turbine components, boiler tubes, and energy equipment due to their ability to withstand high stress at elevated temperatures. The aerospace industry relies on these bars for aircraft engine parts, exhaust systems, and high-pressure components. In the construction industry, they are used for structural reinforcements, pipelines, and heavy-duty frameworks. The automobile industry also uses Stainless Steel 321H Round Bars for exhaust manifolds and other high-performance engine applications.

Across different countries, Stainless Steel 321H Round Bars are identified under various international naming conventions. In the United States, they are recognized under UNS S32109; in Europe, they are graded as 1.4878; in Japan, they follow the JIS SUS 321H standard; while in Russia, they are classified under GOST norms. These naming variations highlight the global acceptance and usage of 321H stainless steel round bars across industries worldwide.

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

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 Of 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
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

Construction

Petrochemical

Aerospace

Refineries

Chemical

Oil & Gas

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