Chanchai Stainless provides Stainless Steel 321 Bars in Bangkok, Thailand. This austenitic grade is stabilized with titanium for excellent resistance to intergranular corrosion. These bars are perfect for high-temperature service, maintaining stability and oxidation resistance up to 870°C. Stainless Steel 321 Bars offer superior weldability, toughness, and durability, ensuring reliable performance in both thermal and corrosive environments. Their combination of mechanical strength and corrosion resistance makes them suitable for engineering, chemical, and industrial applications. Chanchai Stainless guarantees that 321 bars meet international standards, delivering reliable products for customers needing long-lasting materials in critical situations.
Stainless Steel 321 bars contain chromium (17–19%), nickel (9–12%), titanium stabilizers, and carbon (<0.08%). Their mechanical properties include a tensile strength of 515 MPa, yield strength of 205 MPa, and elongation of 40%. Titanium prevents carbide precipitation, which improves resistance to intergranular corrosion. These bars resist oxidation up to 870°C and provide creep resistance under stress. Stainless Steel 321 features toughness, weldability, and durability in demanding applications.
Standard : 321 / 1.4541
Range : 3.17mm to 350mm dia
Designation : ASTM A276, ASME SA276
Finish : Bright, Black, Polish
Thickness: 4.0mm – 100mm
Type: Bar, Bright Bar, Black Bars, Hex Bar, Square Bar, Rods, Polish Bar, Forged Bar, Round Bar
Length : Random, Fix & Cut Length
Grade | Mn | N | P | C | S | Cr | Mo | Si | Ni | Other | |
321 Stainless Steel Nuts | minimum maximum | 2.00 | 0.10 | 0.045 | – 0.08 | 0.030 | 17.0 19.0 | – | 0.75 | 9.0 12.0 | Ti=5(C+N) 0.70 |
Grade | Tensile Strength (MPa) minimum | Yield Strength 0.2% Proof (MPa) minimum | Elongation (% in 50mm) minimum | Hardness | |
Rockwell B (HR B) maximum | Brinell (HB) maximum | ||||
321 Stainless Steel Nuts | 515 | 205 | 40 | 95 | 217 |
Contact us to get a quick quote for your requirement.
At Chanchai Stainless, 321 stainless steel panels are rigorously tested to ensure compliance with international quality standards. Necessary documentation, including material test reports (MTRs), chemical and mechanical analyses, and third-party testing certificates, is provided to ensure reliability, durability and accurately defined for industrial applications
Stainless Steel 321 Round Bars Corrosion-resistant product with excellent high-temperature stability. Available in diameters from 0.5″ to 12″, ideal for aerospace and chemical processing applications where durability is critical.
Stainless Steel 321 Flat Bars This product offers superior resistance to oxidation and is available in thicknesses from 0.25″ to 6″ and widths up to 12″. Perfect for structural and high-temperature applications.
Stainless Steel 321 Square Bars Corrosion-resistant product designed for strength, available in sizes ranging from 0.5″ to 6″ on each side. Suitable for industrial applications requiring high-temperature performance.
This Corrosion-resistant product with dimensions from 0.5″ x 1″ to 6″ x 12″. Ideal for use in heavy-duty applications and structures where thermal stability is essential.
Stainless Steel 321 Hexagonal Bars Corrosion-resistant product available in sizes from 0.5″ to 4″ across flats. Used in aerospace and chemical industries where high-temperature resistance is required.
Stainless Steel 321 T-Bars Corrosion-resistant product with dimensions ranging from 0.5″ x 0.5″ to 6″ x 6″. Suitable for structural support and applications demanding high-temperature stability and strength.
Stainless Steel 321 bars are commonly used in chemical processing, refineries, and power generation industries. They apply in heat exchangers, boilers, and exhaust systems that experience high temperatures. The food and pharmaceutical industries use them in sterilizers and piping where cleanliness and corrosion resistance are essential. Aerospace industries utilize them in engine components that require thermal stability. Stainless Steel 321 bars deliver reliable performance in settings where oxidation resistance, durability, and weldability are critical.
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