Krygen Metalloys is recognized as one of the trusted Manufacturers, Suppliers, Stockists, and Exporters of Stainless Steel 321H Round Bars, delivering products that meet global quality standards. Designed with superior corrosion resistance and exceptional durability, these round bars are widely used in demanding industrial environments. What sets our 321H grade apart is its high carbon content, which enhances creep resistance and ensures strength even at elevated temperatures. Customers worldwide choose our stainless steel solutions for their consistency, precision, and long service life.
The unique composition of Stainless Steel 321H Round Bars makes them especially suitable for applications requiring resistance to intergranular corrosion after exposure to high temperatures. The titanium stabilization further improves performance in harsh conditions, allowing the material to withstand oxidation and scaling up to 900°C. Krygen Metalloys ensures every bar undergoes strict quality checks, from raw material sourcing to final inspection, guaranteeing reliability across industries.
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Our round bars find extensive use in Oil & Gas and Petrochemical facilities, where equipment must endure high-pressure, high-temperature processes. In Construction, Stainless Steel 321H offers the mechanical strength and toughness required for structural stability. The Food Processing and Pharmaceutical sectors rely on its hygienic properties, as the smooth finish prevents contamination and ensures compliance with strict safety standards. With such versatile applications, 321H round bars serve as a dependable material choice across a wide spectrum of industries.
As global Stockists and Exporters, Krygen Metalloys maintains a robust inventory of Stainless Steel 321H Round Bars in different sizes, finishes, and specifications. This allows us to meet urgent project demands without compromising on quality or delivery timelines. Our worldwide network ensures timely dispatches to clients across Asia, Europe, the Middle East, and beyond, making us a reliable partner in international markets.
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Quality is at the core of everything we produce. Each bar is manufactured in adherence to international standards such as ASTM, ASME, DIN, and EN, ensuring that clients receive products compatible with their project requirements. Our advanced facilities and experienced team enable precision-engineering, while our commitment to innovation helps us continually improve our product range. Customers trust Krygen Metalloys not just for supply, but for dependable technical support and industry expertise.
Choosing Krygen Metalloys means choosing a company that values performance, consistency, and customer satisfaction. Whether you require bulk shipments for large-scale projects or custom sizes for specialized applications, we provide tailored solutions to match your needs. With Stainless Steel 321H Round Bars from our inventory, industries gain the confidence of working with materials that deliver long-term value, operational safety, and uncompromised quality—hallmarks of our reputation in the global market.
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Stainless Steel 321H Round Bars Specification
Standard | ASTM B166, ASME SB166 |
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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 |
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 |
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321H also has a requirement for a grain size of ASTM No 7 or coarser. |
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 |
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Application of Stainless Steel 321H Round Bars
