Stainless Steel 321 Bars/Rods

Q: Can Stainless Steel 321 Bars and Rods be used in welding applications?

Yes , Stainless Steel 321 is well-suited for welding. Its titanium stabilization prevents intergranular corrosion during welding, ensuring structural integrity and longevity.

Latham Steel, located in Hamilton, New Zealand, has built a solid reputation as a reliable manufacturer and supplier of Stainless Steel 321 Bars and Rods. They provide top-notch materials designed for durability, strength, and impressive resistance to high-temperature corrosion. Stainless Steel 321, which is stabilized with titanium, is a go-to choice in settings where intergranular corrosion resistance and heat stability are essential. Latham Steel guarantees that each bar and rod adheres to strict international standards, ensuring precise dimensions, consistent quality, and long-lasting performance across various industries, including chemical processing, petrochemical, aerospace, and power generation.

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Stainless Steel 321 Round Bars

Stainless Steel 321 Hex Bars

Stainless Steel 321 Rods

The composition of Stainless Steel 321 Bars and Rods includes about 17–19% chromium, 9–12% nickel, and a carefully controlled amount of titanium for stabilization. This blend helps prevent carbide precipitation during welding or extended exposure to high temperatures, enhancing resistance to intergranular corrosion and oxidation. On the mechanical side, 321 bars and rods boast a tensile strength ranging from 515 to 750 MPa, yield strength between 205 and 450 MPa, and good elongation, all while maintaining toughness and dimensional stability under thermal stress.

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Stainless Steel 321 Bars and Rods Specifications

Specification : ASTM A276/ASME SA276, SA479/A479

Standard : DIN, EN, ASTM, JIS, ASME, BS, AISI

Round Bars : OD 4 to 500mm

Bright Bars : OD 4 to 100mm

Hex Bars : 18 to 57mm (11/16″ to 2-3/4″)

Square Bars : 18mm to 47mm (11/16″ to 1-3/4″)

Finish : Matt Finish, Bright Polished, Black, NO.4 Finish, Rough Turned, BA Finish

Length : cut to size 1 – 6 Meters,

Form : Hex, Square, Round, Rectangle Etc.

Chemical Compositions of Stainless Steel 321 Bars and Rods

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

Stainless Steel 321 Bars and Rods Mechanical Properties

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

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Stainless Steel 321 Bars and Rods Types

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Equivalent Grades Stainless Steel 321 Bars and Rods

WERKSTOFF NR.	STANDARD	JIS	UNS	EN
1.4541	SS 321	SUS 321	S32100	X6CrNiTi18-10

Frequently Asked Questions (FAQ)

What are the key properties of Stainless Steel 321 Bars and Rods?

Stainless Steel 321 offers excellent resistance to oxidation and corrosion, especially in high-temperature environments. It also provides exceptional stability and strength, making it suitable for various industrial applications.

Can Stainless Steel 321 Bars and Rods be used in welding applications?

Yes, Stainless Steel 321 is well-suited for welding. Its titanium stabilization prevents intergranular corrosion during welding, ensuring structural integrity and longevity.

What industries commonly use Stainless Steel 321 Bars and Rods?

These bars and rods are widely used in aerospace, chemical processing, heat exchangers, automotive exhaust systems, and other industries requiring high-temperature and corrosion-resistant materials.

Stainless Steel 321 Bars and Rods Uses

You’ll find Stainless Steel 321 Bars and Rods in a variety of applications, such as furnace components, heat exchangers, turbine parts, exhaust systems, chemical processing equipment, and architectural features that face high temperatures or corrosive conditions. Their unique combination of durability, heat resistance, and dependable structural performance makes them perfect for demanding industrial uses. Engineers and manufacturers often choose 321 bars and rods for their long-term, low-maintenance solutions that consistently deliver strength and corrosion resistance, even in extreme environments.

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