Specialist in Manufacturing Industrial Steel Fasteners

Stainless Steel 321/321H Pipes & Tubes

Grade 321 is a brilliant option when using in high temperature environments of up to 900 degree celcius. Stainless steel 321/321H mostly used in manufacturing heat exchangers, pressure vessels, pharmaceuticals and chemical processing equipments. Stainless steel 321 pipes refer to as UNS S32100 and SS 321H pipes is refered to as UNS S32109 and both are available in both seamless and welded form in various sizes. Stainless Steel 321/321H seamless & welded pipes and tubes can be offered in random lengths, varied types and various forms.

Why we us for stainless steel 321/321H Pipes & Tubes?

  • Delivery within a Time: Vision Alloys is the fastest and quickest of delivering the hugh quality stainless steel 321/321H pipes and tubes.
  • Custom Sizes: We produce high quality stainless steel 321/321H in various schedule (SCH 10 – SCH XXS) and in various length (Single Random, Double Random & Cut Length).
  • Competitve Prices: These UNS S32100/UNS S32109 are available withn a competitive price range.
  • Offer Premium quality material and only single target to satisfy the customer

Common Applications of SS 321/321H pipe and tubes:

Oil refinery equipment, industrial boilers, pressure vessels, chemical and pharmaceutical equipment, heat exchangers, petrochemical refineries, Aerospace – piston engine manifolds, Chemical Processing, Expansion Joints, Food Processing – equipment and storage, Petroleum Refining – polythionic acid service, Waste Treatment – thermal oxidizers

Specification :

Standard 321 -     ASTM /ASME A/SA 213 / 249 / 269 / 312 / 358 CL. I to V
321H - ASTM /ASME A/SA 213 / 249/ 269 / 312 / 358 CL. I to V
SEAMLESS 321/321H Pipes & Tubes 1/2" NB - 16" NB
ERW 321/321HPipes & Tubes 1/2" NB - 24" NB
Certifications IBR AND NON IBR
EFW 321/321H Pipes & Tubes 6" NB - 100" NB
Schedule SCH 10 – SCH XXS
Form Round, Square, Rectangular, Hydraulic Etc
Length Single Random, Double Random & Cut Length.
Type Seamless / ERW / EFW/ Fabricated / LSAW Pipes
End Plain End, Beveled End, Threaded

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

Vision Alloys exports Stainless Steel 321/321H Pipes & Tubes to countries like Saudi Arabia, United Arab Emirates, Singapore, Malaysia, Germany, Iran, United Kingdom, Italy, Israel, Russia, United States Of America, South Africa, Kenya, Nigeria, Phillipines.

Other Available grades of Stainless Steel Pipes & Tubes

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