321 Stainless Steel Bars
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Stainless Steel 321 Bars

Caliper

Caliper Overseas stands at the forefront of supplying an extensive range of Stainless Steel 321/321H Round Bars. Our commitment to quality and client-centric approach has enabled us to cultivate strong relationships with buyers searching for unrivalled durability and precision in stainless steel products.

Premium Quality, Comprehensive Range
Crafted to meet the highest standards, our Stainless Steel 321/321H Round Bars are distinguished by their robust composition. They can withhold extreme environments while maintaining their integrity. The added stability and excellent resistance to oxidation make these round bars the material of choice for various industrial applications.

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We offer a wide array of sizes and shapes, ensuring that you receive exactly what you need. Our durable bars come in diameters catering to both small-scale residential and large industrial projects. The flexibility and customization available underscore our commitment to serving diverse client needs.

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321 Stainless Steel Bars

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At Caliper Overseas, affordability meets quality. We pride ourselves on providing Stainless Steel 321/321H Round Bars at competitive prices, giving you the best value for your investment without compromising on quality.

Versatile Applications Our Stainless Steel 321/321H Round Bars are known for their sturdiness and versatility across industries.

Aerospace: Reliable components that can endure the rigors of aeronautics.

Chemical Processing: Resistant to corrosive substances, our bars guarantee longevity even in harsh chemical environments.

Power Generation: Ideal for the construction of equipment subjected to high temperatures.

Why Choose Caliper Overseas?

It is important to make a right decision when it comes to purchasing Stainless Steel 321/321H Round Bars.
Unmatched Expertise: Over time we have developed our skills and abilities to the point that every item in our store is of the highest caliber.
Reliability: We ensure a stable supply, which will help you keep your operations going without material shortages being a concern.
Quality Assurance: We test our round bars to an international standard with the aim of exceeding your expectations.
Customization: Customized to your needs is our forte. We offer solutions customized to your needs.
Customer Support: Our devoted staff is always available to help you with any questions or special needs you may have.

Succeed in your industrial challenges with the robustness and accuracy of our premium quality Stainless Steel 321/321H Round Bars. Caliper Overseas is not simply a supplier, but a partner in making your future stronger, more reliable.

Stainless Steel 321 Bars & Rods Specification

SS 321 Bar Standard ASTM A276 / A479, ASME SA276 / A479
Stainless Steel 321 Bar Dimensions EN, DIN, JIS, ASTM, BS, ASME, AISI
Stainless Steel 321 Round bar size Diameter: 3-~800mm
Stainless Steel 321H Hex Bar size 2-100mm A/F
SS 321 Flat bar size Thickness: 2 -100mm
Width: 10 to 500mm
Stainless Steel 321H Square bar size 4 to 100mm
SS 321 Angle bar size 3mm*20mm*20mm~12mm*100mm*100mm
SS 321H Rectangular Bars Section 3.0 to 12.0mm thickness
ASTM A276 Type 321 Hollow Bar 32mm OD x 16mm ID to 250mm OD x 200mm ID)
SS 321H Threaded Bar Billet Size 1/2 to 495mm Diameter
Stainless Steel 321 Rectangular Size 33 x 30mm to 295 x 1066mm
321H SS Hex Bars Finish Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
ASTM A276 SS Type 321 Hollow Bar Tolerance H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
SUS 321 / 321H T-Bar Surface Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
Rolled Stainless Steel 321 / 321H Flat Bars Condition Hardened & tempered, annealed
ASTM A276 Type 321 / 321H Cold Rolled Bar Technique 321 Stainless Steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
321 / 321H Stainless Steel Rounds Bar Form Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.

Stainless Steel 321 Bars & Rods Stock Availability

Stanless Steel 321 Round Bar

Round Bar

Round bars are steel bars with a smooth surface that are employed in construction projects that don't call for highly reinforced concrete works. It is frequently used on pipes, roads, small and medium-sized projects, beam and column stirrups, and stirrups.

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Stanless Steel 321 Square Bar

Square Bar

Solid metal bar with a square cross section is known as a square bar. Grill fencing, fabrications, engineering components, window grills, and the construction of water and fuel tanks are only a few of its many uses.

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Stanless Steel 321 Flat Bar

Flat Bar

Flat Bars Have Square Edges That Vary In Size And Are A Flat, Rectangular Section. This Economical Steel Product Is Distributed To The Construction, Engineering, Manufacturing, Mining, Grating, Fabrication, And Many Other Industries, And Is Appropriate For A Wide Range Of Applications.

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Stanless Steel 321 Hex Bar

Hex Bar

The Applications For The Stainless Steel Hexagonal Rods Are Various. They Are Mostly Used In Construction And Structural Applications. Because of their versatility, these rods are used as equipment in several industries, including chemical, food processing, marine, petroleum, sea water, and others.

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Stanless Steel 321 Forged Rod

Forged Bar

A billet is heated until it becomes malleable to create forged bars, which are made of steel in a manner similar to hot-rolled bars. This is where the processes diverge; forging either presses or hammers the bar to the required rough dimensions as opposed to rolling the bar to size.

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Stanless Steel 321 Rectangular Bar

Rectangular Bar

A versatile product, stainless-steel rectangular bar is used in a variety of industries, including shipbuilding, construction, and automotive. It is a common choice for use in products that will be exposed to the elements due to its resistance to oxidising and corrosion.

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Stanless Steel 321 Bright Bar

Bright Bar

Bright Bars are raw materials produced from stainless steel alloys in a cold reduction mill using a cold drawing technique. They Are Called "Bright Bars" Because of Their Geometrically Precise Molecular Structure, Extremely Smooth Surface Finish, And Constantly Bright Appearance.

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Equivalent Grades Of Stainless Steel 321 & 321H Bars

STANDARD UNS WNR. JIS EN
SS 321 S32100 1.4541 SUS 321 X6CrNiTi18-10
SS 321H S32109 1.4878 SUS 321H X12CrNiTi18-9

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Processing Of Stainless Steel 321H Bars

Ingot

Heating, rolling & forming
Heating, rolling & forming
Quenching
Quenching
Self-Tempering
Self-Tempering
Atmospheric Cooling
Atmospheric Cooling

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Bars Cutting

Products cut include Round bars, flat bars, hex bars, square bars, tubing and hollow bars, Pipe, angles, channels, beams and tees. Thickness range is 1/16″ to 28″ diameter

Bars Production Cutting

We can provide production cutting for product diameters up to 4″. We utilize production equipment to achieve these precision cuts with tight tolerances.

Bars Polishing

Products polished included all tubular products, with OD & ID polishing available, round bars, square bars, hex & flat bars, angles, uneven leg angles, beams, and other shapes.

“View Bars Dimensions & Prices, Contact us today to know stainless steel 321 / 321H round bars, square bars, hex bars best offers & prices.”

Stainless Steel 321 Bars & Rods Standard

Standard Description
ASTM A276 Specification for Stainless Steel Bars and Shapes
ASTM A314 Specification for Stainless Steel Billets and Bars for Forging
ASTM A493 Specification for Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
ASTM A564 Specification for Hot-Rolled And Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
ASTM A565 Specification for Martensitic Stainless Steel Bars, Forgings, and Forging Stock for High Temperature Service
ASTM A582 Specification for Free Machining Stainless Steel Bars
ASTM A666 Specification For Annealed or Cold-Worked Austenitic Stainless Steel Flat Bar
ASTM A484 Standard specification general requirements for stainless and heat-resisting bars, billets and forgings.
ASTM A476 Standard specification for stainless and heat-resisting steel bars and shapes for used in boilers and other pressure vessels.

Chemical Composition of SS 321H Round Bar

% Cr Ni C Si Mn P S N Ti Fe
321 min:17.0
max:19.0
min: 9.0
max:12.0
max:0.08 max:0.75 max:2.0 max:0.045 max:0.03 max:0.10 min:5*(C+N)
max:0.70
Balance
321H min:17.0
max:19.0
min: 9.0
max:12.0
min:0.04
max:0.10
min:18.0
max:20.0
max:2.0 max:0.045 max:0.03 max:0.10 min:5*(C+N)
max:0.70
Balance

Mechanical Properties of SS 321 Rods

Grade Tensile Strength
ksi (min.)
Yield Strength 0.2%
Offset ksi (min.)
Elongation -
% in
50 mm (min.)
Hardness
(Brinell) MAX
321/321H 75 30 40 217

Stainless Steel 321 Bars & Rods Ready Stock

  • Stainless Steel 321 Cold Rolled Bar
  • 321 Stainless Steel Hollow Bar
  • Stainless Steel 321H Threaded Bars
  • 321 Stainless Steel Spring Bar
  • SS 321 Quenched & Tempered Bar
  • A276 SS 321 Polished Bar
  • 321H SS Precision Ground Bar
  • 321 Stainless Steel Triangle Bar

321 Stainless Steel Bars Applications and Uses

  • Shaft Making
  • Automobiles
  • Electric Motors & Pumps
  • Railways
  • Mining
  • Miscellaneous Fabrication
Shaft Making

SS 321 Bars in Shaft Making

Automobiles

SS 321 Bars in Automobiles

Electric Motors & Pumps

SS 321 Bars in Electric Motors & Pumps

Railways

SS 321 Bars in Railways

Mining

SS 321 Bars in Mining

Miscellaneous Fabrication

SS 321 Bars in Miscellaneous Fabrication

Your #1 Source for Stainless Steel 321 Bars

High Quality SS 321H Bars!