Wholesale 321 Stainless Steel Bars Bright Drawn Supplier, Компания

OES Metal’s 321 Stainless Steel Round Bars are manufactured from high-quality 321 stainless steel, a heat-resistant alloy that provides excellent performance in high-temperature environments.

Our 321 stainless steel round bars are specifically designed to withstand high temperatures and corrosive environments, ensuring reliable performance.

Looking for top-notch high-temperature performance? Our 321 Stainless Steel Bars might just be what you need. These bars are stabilized with titanium, which helps them perform really well even in some of the toughest high-heat environments. They stay strong and resistant to corrosion when used continuously between 800°F and 1500°F (that's roughly 427°C to 816°C). Whether you're working on aerospace parts, automotive exhausts, or industrial heating equipment, these bars won't let you down.

Product Description

Product Details

Here’s the scoop on what makes our 321 stainless steel bars stand out:

  • Titanium stabilization prevents carbide buildup during welding—pretty important for weld integrity.
  • They resist intergranular corrosion like a champ.
  • Capable of handling oxidation and creep, even over long periods.
  • Keep their strength at high temperatures impressively well.
  • Plus, they’re easy to machine and form into whatever shape you need.

We offer these bars in round, square, and hex shapes, with different surface finishes—hot rolled, cold finished, turned, or centerless ground—whatever your project calls for. Each one is precisely made to meet ASTM A276 and ASME SA479 standards, so you know you’re getting consistent quality that performs reliably in critical jobs.

Some common uses include aircraft exhaust systems, heat exchangers, boiler parts, industrial furnace components, chemical processing equipment, and thermal processing components. Basically, if your project demands high heat resistance combined with solid corrosion protection, our 321 Stainless Steel Bars are a great choice.

Steel Category Grades Available
Austenitic Stainless Steel 201, 301, 304, 305, 310, 314, 316, 321, 347, 370, etc
Martensitic Stainless Steel 410, 414, 416, 420, 431, 440A, 440B, 440C, etc
Duplex Stainless Steel S31803, S32101, S32205, S32304, S32750, etc
Ferritic Stainless Steel 429, 430, 433, 434, 435, 436, 439, etc
Product Specification
Material 304, 304L, 309S, 310S, 316, 316L, 316Ti, 317, 317L, 321, 347H, 201, 202, 405, 409, 410, 420, 430, etc
Type Round, square, hexagonal, flat, angle
Surface Pickled, Black, Bright, Polishing, Blasting, etc
Specifications Round Bar:Diameter: 3mm~800mm
Angle Bar Size: 3mm*20mm*20mm~12mm*100mm*100mm
Square Bar Size: 4mm*4mm~100mm*100mm
Flat Bar Thickness: 2mm~100mm, Width: 10mm~500mm
Hexagonal Size: 2mm~100mm
MOQ 1 Ton
Length 6m, 5.8m, 3m or as required
Price Term EX-Work, FOB, CFR, CIF, CNF
Payment Term T/T, L/C, Western Union
Market Europe, South America, Africa, Oceania, including Chile, Spain, USA, Germany, India, Dubai, Iraq, Vietnam, Ireland, Korea, Singapore, etc.
Package Bundled, wooden box for export standard package.
Chemical Composition Table
Grade ASTM C Si Mn S P Cr Ni
201≤0.15≤0.755.50-7.50≤0.030≤0.06016.00-18.003.50-5.50
304≤0.07≤1.00≤2.00≤0.030≤0.03517.00-19.008.00-11.00
304L≤0.03≤1.00≤2.00≤0.030≤0.03518.00-20.008.00-12.00
309S≤0.08≤1.00≤2.00≤0.030≤0.03522.00-24.0012.00-15.00
310S≤0.08≤1.00≤2.00≤0.030≤0.03524.00-26.0019.00-22.00
316≤0.08≤1.00≤2.00≤0.030≤0.03516.00-18.0010.00-14.00
316L≤0.08≤1.00≤2.00≤0.030≤0.03516.00-18.0012.00-15.00
321 Stainless Steel Bar Showcase
Frequently Asked Questions (FAQ)
Q1: What makes 321 stainless steel different from 304?
The main difference is that 321 contains titanium, which stabilizes the steel against chromium carbide formation. This allows it to perform better in high-temperature environments (800-1500°F) where 304 might suffer from intergranular corrosion.
Q2: Can 321 stainless steel bars be welded easily?
Yes, 321 stainless steel is specifically designed for excellent weldability. The titanium stabilization ensures that the material maintains its corrosion resistance even after welding without requiring post-weld annealing.
Q3: What are the typical shapes available for these bars?
We provide 321 stainless steel in various shapes including Round Bars, Square Bars, Hexagonal Bars, Flat Bars, and Angle Bars to suit different engineering requirements.
Q4: What surface finishes can I choose from?
Depending on your needs, we offer multiple surface finishes such as Bright (polished), Pickled (descaled), Black (hot rolled), and Blasting (matte).
Q5: Which industries commonly use 321 stainless steel?
It is widely used in aerospace (exhaust systems), chemical processing, thermal processing, and industrial furnace manufacturing due to its high heat and corrosion resistance.
Q6: Are your 321 stainless steel bars compliant with international standards?
Yes, all our 321 bars are manufactured to meet strict international standards, including ASTM A276 and ASME SA479, ensuring high reliability for critical applications.

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