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Triton Alloys

321/321H Round Bars

ASME SA 276/479 Stainless Steel UNS UNS S32100/09 Bars & Rods
As an acclaimed undertaking of the business, Triton Alloys Inc is included in offering a boundless exhibit of Stainless Steel 321/321H Round Bars(SS 321/321H Round Bars) as a maker, exporter, stockiest and supplier to our local and worldwide customers. Stainless Steel 321/321H Bars is broadly utilized as a part of general building applications. SS 321/321H Bars is likewise utilized as a part of warmth exchanger application. Then again, these Stainless Steel 321/321H Rods is utilized as a part of refineries, force plants and ship structures.

We create SS 321/321H Rods which are of premium quality. With appreciation to national and worldwide nature of crude materials, we additionally offer these UNS S32100/S32109 Round Bars (otherwise called WNR 1.4541/1.4878 Bars) in redid sizes and thicknesses according to particular demands by our regarded customers at business sector driving costs.


Standard 321 / 1.4541
321H / 1.4878
Designation ASTM, ASME, AISI A 276 , SA 276, A 479, SA 479
Range 3 MM TO 350 MM DIA
Finish Bright, Polish & Black
Form Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.
Application Aerospace – piston engine manifolds, Chemical Processing, Expansion Joints, Food Processing – equipment and storage, Petroleum Refining – polythionic acid service, Waste Treatment – thermal oxidizers.

Chemical Composition

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

Mechanical Properties

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

Physical Properties

Coefficient of
Thermal Expansion (min/in)-°F
Thermal Conductivity BTU/hr-ft-°F Specific Heat BTU/lbm -°F Modules of Elasticity (annealed)2-psi
at 68 °F at 68 – 212°F at 68 – 1832°F at 200°F at 32 – 212°F in tension (E)
0.286 9.2 20.5 9.3 0.12 28 x 106

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