Stainless Steel 321 Sheets, Plates, Structurals

Stainless Steel 321 Cold Rolled Sheets Suppliers, SS UNS S32100 Plates Manufacturing, Stainless Steel 321 Hot Rolled Plates, SS 321 Structurals, Stainless Steel 321 Structurals Suppliers, SS 321 Plain Sheets & Plates, SS 321 Perforated Plates Supplier & Exporter in Mumbai India.

Alpha Overseas(AOS) manufactures and trades SS 321 Sheet Plate / Structural, which these days utilized more or less completely for service in the sensitizing heat range of 450 Deg C – 850 Deg C. So as to offer best confrontation to inter - granular erosion and to polythionic acid SCC in service heats at about 1500 Deg F – 1650 Deg F, an air cool may perhaps be utilized in 321 Stainless Steel Plates. These 321 Stainless Steel Structural is also utilized in firewalls, reservoir coverings, stack linings, fused pressure vessels, and so on. SS 321 Structural is as well utilized lengthily for its uses where the adding of titanium content and its steadying result as a carbide creating component lets it to be fused and / or utilized in the carbide precipitation array of 430 Deg C – 870 Deg C deprived of the menace of inter - granular weathering. SS 321 Plates is utilized where harsh forms are not excessively unadorned; as well for the reason that of its conflict to ascending and trembling tiredness.

Stainless Steel 321 Structurals
Stainless Steel 321 Structurals
SS 321 Plates
SS 321 Plates

Stainless Steel 321 Sheets Plates Manufacturing, SS DIN 1.4541 Chequered Plates Suppliers, ASTM A240 SS Shim Plates Manufacturer, Stainless Steel 321 Plates, SS 321 Sheets, Stainless Steel 321 Plates Manufacturing, Sheets Manufacturer & Stockist in Mumbai, India.

Stainless Steel 321 Structural provides greater creep and stress - rupture features than Grade 304 and, mainly, Grade 304L which may possibly as well be measured for contacts where intergranular erosion and sensitization are concerns.

Stainless Steel 321 Plates is chosen alloy, where the content of niobium achieves the similar carbide steadying chore but also can be transported through a fusing arc.


ASTM A240 SS Sheet, Plate, Structurals Specification :

Specifications : ASTM A240 / ASME SA240

Dimensions : ASTM, ASME and API

Length : 3 mm to 200 mm

Size : 1000 mm x 2000mm, 1220mm x 2440mm, 4' x 8', 1250mm x 2500mm, 1500mm x 3000mm to 6000mm, 2000mm x 4000mm to 6000mm

Range : 5mm To 150mm

Condition : Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished

Thickness : 4.0mm - 100mm

Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange)

End : Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)


SS 321 Sheets, Plates Equivalent Grades

SS 321 1.4541 S32100


Stainless Steel 321 Plates, Sheets Chemical Composition

Element Ni C Mn P S Si Cr
SS 321 9.00 – 12.00 0.08 2.00 0.045 0.030 1.00 17.0-19.0


SS Sheets, Plates, Structurals Mechanical & Physical Properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
SS 321 8.0 g/cm3 1454 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40 %

Testings (Destructive, Non Destructive):
  • Positive Material Identification - PMI Testing
  • Chemical Analysis - Spectro Analysis
  • Mechanical Testing Such as Tensile, Elongation
  • Micro Test
  • Macro Test
  • Hardness Test
  • Pitting Resistance Test
  • Intergranular Corrosion (IGC) Test
  • Flaring Test
  • Flattening Test
  • Hydrostatic Test
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
  • Radiography Test
  • Dye Penetrant Test (DP Test)
  • Ultra Sonic Test (UT)
  • Eddy Current Testing
  • Impact Test
  • Bend Test


  • We understand the importance of packaging specially in case of international shipments as the consignment has to go through a number of channels to reach the final destination, thus we take proper care of packing.
  • We pack our goods in a various ways depending on the products. The different ways in which our products are packed are:
    • Shrink-wrapped
    • Wooden Boxes
    • Wooden Pallets
    • Wooden Crates
    • Carton boxes


  • All our products will have complete marking details which are co-related to the test certificates we supply.
  • In case of orders for cut piece of Pipes, Sheets or Round Bars, the marking is transferred from the product from which it is cut. In such cases we provide Letter confirming the marking transfer and picture of the product from which it is cut.


Delivery Time:
  • If the items are available in stock, we take 2 days from the date of receipt of advance payment to clear the shipment and send it to port.
  • And in-case the items are not availabe in stock, the time taken for manufacturing depends on the size, quantity and grade.
  • However we can claim the fact that we can compete with anyone in India on Delivery time and most of the time our production time is the least.
  • We have tied up with strong logistic partners in India which can undertake any type of shipping activites and make sure that there is no delay in shipment.


  • We welcome stage wise inspection, final stage inspection from any of your representative or third party inspection agencies.
  • We regularly have inspections ongoing at our premises from internationally acclaimed Inspection Agencies such as TUV, Llyods, BVIS, SGS, DNV etc.


  • Furnaces (piping, doors, burners, fans and recuperators)
  • Components (Cryogenic)
  • Industries processing food
  • Bed Furnaces (Fluidized) suc as grids, wind boxes, piping, coal combustors
  • Stainless Steel 321 is used in smelter and steel melting equipment, continuous casting equipment in Steel Plants and Ore Processing Plants
  • Petroleum and Petrochemical refineries for catalytic recovery systems, flares, recuperators, tube hangers
  • Stainless Steel 321 is used in Power Generation for coal gasifier internals, pulverized coal burners, tube hangers
  • Sintering/Cement Plants – burner shields, burners, wind boxes feeding and discharging systems
  • Thermal Process Plants for annealing covers and boxes, burner grids, doors, fans, muffles and retorts, recuperators, walking beams

Other Types Of SS Sheet, Plate, Structurals
  • SS 321 Sheet, Plates
  • Stainless Steel 321 Chequered Plates
  • SS DIN 1.4541 Perforated Sheets Suppliers
  • SS UNS S32100 Plates
  • 321 Stainless Steel Sheets Coils Suppliers at Austria
  • 321 Stainless Steel Shim Sheets
  • SS 321 Steel Plates
  • 321 SS Circles Exporter
  • 321 SS Plates Coils
  • Stainless Steel 321 Flat Plates
  • SS 321 Ring Sheets Exporter
  • Stainless Steel 321 Plate, Sheets
  • Stainless Steel 321 Perforated Sheets & Plates
  • SS 321 Blank Plates Stockist
  • Stainless Steel 321 Chequered Plate
  • Stainless UNS S32100 Sheet
  • SS 321 Shim Plates Exporter
  • ASTM A240 SS 321 Cold Rolled Sheets
  • ASME A194 Stainless Steel Hot Rolled Plates Suppliers at
  • SS 321 Strips Stockist
  • SS 321 Plate, Sheets Manufacturer
  • 321 SS Structurals Dealers
  • Stainless Steel DIN 1.4541 Structurals
  • Stainless Steel 321 Sheet, Plate, Structurals

Approved manufacturer of
Sabic approved Stainless Steel 321 Sheets
KNPC approved SS 321 Plates
South Africa Williamson approved SS 321 Steel Structurals
MARAFIQ approved Stainless Steel 321 Chequered Plate
Magnetrol approved SS 321 Coil
QATARGAS approved 321 Stainless Steel Perforated Sheets
ONGC approved Stainless Steel 321 Hot Rolled Plates
FW approved Stainless Steel 321 Cold Rolled Sheet
IBR approved SS 321 Chequered Sheets
Alba approved Stainless Steel 321 Shim Plates
Kuwait Oil Company approved 321 Cold Rolled Sheets
Egyptian General Petroleum Corporation approved Stainless Steel 321 Hot Rolled Plates
Industry We Serve
Stainless Steel 321 Structurals in Petrochemical Industry
Plain Sheets & Plates in Oil & Gas Industry
ASTM A240 Stainless Steel 321 Sheets Plates & Coils in Power Plant at France
ASTM A240 Stainless Steel 321 Shim Sheets in Pharmaceuticals Industry
321 SS Structurals in Chemicals Industry
SS 321 Plates in Defence Industry
321 Stainless Steel Sheets in Food and Beverages Industry
SS 321 Structurals in Sugar Industry
Stainless Steel 321 Strips in Paper Industry
321 Stainless Coils in Cement Industry at Turkey
321 Plates Industry
Sheet, Plate, Structurals in Mining Industry

We Supply Our Stainless Steel 321 Sheets & Plates in Countries like


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