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321 Stainless Steel Manufacturer

AISI 321 Stainless Steel Supplier


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AISI 321 · SUS 321 · INOX 321 · Stainless Steel 321 · UNS S32100 · EN 1.4541

Insensitive to intergranular corrosion Stainless Steel 321 is developed for Enhanced Creep Resistance

Siddhagiri Metals and Tubes is a supplier of Stainless Steel 321 in Pipe, Tube, Fittings, Flanges, Bars, Sheet Plate, Wire, Wire Mesh, Chains and Valves. The higher carbon version SS 321H is also available with us in all forms.

AISI 321 is known by many names, some of them are 321 SS, Inox 321, SUS 321, material 1.4541, SS 2337. Type 321 is a titanium stabilized titanium stabilized austenitic stainless steel with properties similar to ss 304.

Stainless Steel is known for its resistance against intergranular corrosion at high temparture.

Industry Names: SS321, AISI 321, SUS321, INOX 321, Stainless Steel 321, 321 Steel, Steel 321, material 1.4541, EN 1.4541, UNS S32100, JIS SUS 321, BS 321S31, SS 2337
Specifications: UNS S32100, JIS SUS 321, BS 321S31, SS 2337, 1.4541
Applications: Heat Exchangers, Aerospace, Expanison Joints
Features: Resistant to intergranular corrosion, High-Temparture Service

Siddhagiri Metals and Tubes is known for its Stainless Steel supplies all over the world. We have 25 years of experience in metal exports. Contact us for best price.


Siddhagiri Metals and Tubes is a supplier of high qualtiy 321 stainless steel in Pipe, Tube, Fittings and Flanges, Sheet Plate, Wire Mesh forms. We also manufacture ss 321 fabricated items.
Other Names: 321 Stainless Steel, 321 SS, Stainless Steel 321, 321, SS321, 321 Steel, 321 Stainless
Category: AISI 321, SUS321, INOX 321
Material: Stainless Steel
Brand: Siddhagiri Metals and Tubes
Manufacturer: Siddhagiri Metals and Tubes
Rating: 3.4/5 based on 39 customer reviews

321 SS Specifications and Standards

Grade North America Sweden Germany European Japan Russia European Italy Spain Sweden UK USA
SS 321 UNS S32100 SS 2337 Din X 12 CrNiTi 18 9 - JIS SUS 321 UNI X 8 CrNiTi 1811 UNE X 7 CrNiTi 18-11 BS 321S31 AISI 321

Properties of AISI 321 Stainless Steel

  • Chemical Properties
    C. Si Mn P S Cr Ni N Ti
    MIN - - - - - 17.000 9.000 - -
    MAX 0.080 0.750 2.000 0.045 0.030 19.000 12.000 0.100 0.700
  • Mechanical Properties
    Yield Strength
    0.2% Proof
    (MPa)
    Tensile strength
    (MPa)
    Elongation
    (% in 50mm)
    Hardness
    (HRB)
    MIN 205 515 40.00  
    MAX       95
  • Physical Properties
    Density lb/in³ 0.285
    kg/dm³ 7.9
    Modulus of Elasticity psi 29 x 10-6
    GPa 200
    Thermal Conductivity Btu/ft hr°F 8.7
    W/m°C 15
    Heat Capacity Btu/lb°F 0.12
    J/kg°C 500
    Electrical Resistivity Ω-inch 27.6 x 10-6
    µΩm 0.73
    Poissons ratio   0.3

Forms of Stainless Steel 321

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