Stainless Steel 321 Compression Tube Fittings

321 Stainless Steel Male Adapter, SS DIN 1.4541 Compression Tube FittingsSuppling at Philippines, ASTM A182 Tube Fittings Manufacturer, Stainless Steel 321 Female Branch Tee Suppling at Germany, SS 321 Straight Union Manufacturing at Morocco, Stainless Steel 321 Reducing Union, SS 321 Bulkhead Lock Nut Manufacturer & Stockist in Mumbai, India.

Alpha Overseas manufactures and trades SS 321 Compression Tube Fittings, which is stabilized against chromium carbide formation by the addition of titanium. This addition in Alloy 321 Compression Fittings is made to reduce or eliminate chromium carbide precipitation - resulting from welding or exposure to high temperatures. Grade 321 Tube Fittings are used because they are not sensitive to intergranular corrosion after heating within the carbide precipitation range of 425 Degree C – 850 Degree C. Characterised by high corrosion resistance in general atmospheric corrosive environments, Type 321 Ferrule Fittings exhibits excellent resistance to most oxidizing agents, dyestuffs, sterilizing solutions, general foodstuffs, most organic chemicals plus a wide variety of inorganic chemicals, also nitric acid, steam combustion gases, hot petroleum gases, and to a lesser extent sulphuric acid.

SS 321 Tube Fittings
SS 321 Tube Fittings
SS 321 Compression Tube Fittings
SS 321 Compression Tube Fittings

Stainless Steel 321 Ferrule Fittings Suppling at Qatar, SS UNS S32100 Double Ferrule Fittings Manufacturing at Spain, Stainless Steel 321 Ferrule Fittings, SS 321 Union Tee, Stainless Steel 321 Male Connector Suppling at Egypt, SS 321 Female Elbow, SS 321 Bulkhead Union Supplier & Exporter in Mumbai India.

The weld areas in these AISI 321 Double Ferrule Fittings, with temperatures 930 Degree F – 1470 Degree F, are often called carbide precipitation zone – in which Chromium (Cr) combines with Carbon (C) and precipitates chromium carbides at the grain boundaries significantly reducing corrosion resistance of steel in this zone. These 321 Stainless Steel Compression Tube Fittings provides excellent resistance to oxidation and corrosion and possesses good creep strength.

The resistance to sensitization of these Stainless Steel UNS S32100 Tube Fittings, coupled with its higher strength at high temperature makes it suitable in application where SS 304 will become sensitized, or where SS 304L has insufficient hot strength.


ASTM A182 Compression Tube Fittings Specification :

Size : 1/16”OD to 2”OD, 2mm OD to 50mm OD

Specification : ASTM A182 / ASME SA182

Thread : NPT, BSP, BSPT, UNF, ISO, SAE etc.

Pressure Rating : 6000PSI for Stainless Steel, 300/1000/3000PSI for Brass


SS 321 Compression Tube Fittings Equivalent Grades

SS 321 1.4541 S32100


Stainless Steel 321 Tube Fittings 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 Ferrule Fittings 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 Compression Tube Fittings
  • SS 321 Male Adapter
  • Stainless Steel 321 Ferrule Fittings Distributors
  • SS DIN 1.4541 Double Ferrule Fittings Suppliers at UAE
  • SS UNS S32100 Tube Fitting
  • 321 Stainless Steel Back Ferrule Suppliers
  • 321 Stainless Steel Front Ferrule
  • SS 321 Tube Plug in Different Schedules and Sizes
  • 321 SS Bulk Head Reducer Exporter
  • 321 SS Ferrule Reducer
  • Stainless Steel 321 Elbow Union
  • SS 321 Reducing Union Exporter
  • Stainless Steel 321 Compression Tube Fittings
  • Stainless Steel 321 Reducing Union
  • Stainless Steel 321 Tube Fittings Stockist
  • Stainless Steel 321 Compression Tube Fitting
  • Stainless UNS S32100 Front Ferrule
  • Stainless Steel 321 Concentric Reducer Exporter
  • ASTM A182 SS 321 Male Adapter
  • ASME SA182 Stainless Steel 321 Female Branch Tee Suppliers at France
  • SS 321 Female Elbow Stockist
  • SS 321 Male Connector Manufacturer
  • 321 SS Union Tee Dealers
  • Stainless Steel DIN 1.4541 Tube Fittings Fittings
  • Stainless Steel 321 Tube Fitting

Approved manufacturer of
Sabic approved Stainless Steel 321 Compression Tube Fittings
KNPC approved SS 321 Tube Fittings
Williamson approved SS 321 Reducing Union
MARAFIQ approved Stainless Steel 321 Tube Fitting
Magnetrol approved 321 Front Ferrule
QATARGAS approved 321 Stainless Steel Concentric Reducer
ONGC approved Stainless Steel 321 Male Adapter
FW approved Stainless Steel 321 Female Branch Tee
IBR approved SS 321 Female Elbow
Alba approved Stainless Steel 321 Male Connector
Kuwait Oil Company approved 321 Union Tee
Egyptian General Petroleum Corporation approved Stainless Steel 321 Tube Fittings
Industry We Serve
Stainless Steel 321 Compression Tube Fitting in Petrochemical Industry
Stainless Steel 321 Male Adapter in Oil & Gas Industry
ASTM A182 Stainless Steel 321 Back Ferrule in Power Plant
ASTM A182 Stainless Steel 321 Front Ferrule in Pharmaceuticals Industry at Jordan
321 SS Tube Plug in Chemicals Industry
SS 321 Bulk Head Reducer in Defence Industry
321 Stainless Steel Ferrule Reducer in Food and Beverages Industry
SS 321 Stubends in Sugar Industry
Stainless Steel 321 Elbow Union in Paper Industry
321 Stainless Reducing Union in Cement Industry
321 Compression Tube Fittings Dairy Industry
Tube Fittings in Mining Industry

We Supply Our Stainless Steel 321 Compression Tube Fitting in Countries like


We are Exports in Exporting SS 321 Compression Tube Fittings worldwide

We are Exporter of Stainless Steel 321 Tube Fittings in Worldwide Such as Ghana, Spain, Denmark, Greece, Mexico, Russia, Hong Kong, Yemen, Switzerland, Bhutan, Austria, United States, Poland, Peru, China, Oman, Qatar, Croatia, Nepal, Jordan, Azerbaijan, Belgium, Puerto Rico, Argentina, Germany, Australia, Ukraine, Lithuania, Ecuador, South Korea, Indonesia, New Zealand, Iran, Libya, Pakistan, Colombia, Ireland, Sweden, Iraq, India, Singapore, Kazakhstan, Afghanistan, Chile, Chile, United Arab Emirates, France, Tibet, Gabon, Poland, Czech Republic, Costa Rica, Norway, Algeria, Kenya, Saudi Arabia, Sri Lanka, Netherlands, Turkey, Taiwan, Morocco, Venezuela, Nigeria, Bolivia, Bahrain, Kuwait, Gambia, Trinidad & Tobago,Tunisia, Mexico, Hungary, Bangladesh, Namibia, Italy, Bulgaria, Lebanon, Nigeria, Angola, Slovakia, Romania, Portugal, Serbia, Malaysia, Brazil, Philippines, Canada, Estonia, United Kingdom, Mongolia, Zimbabwe, Finland, Belarus, Iran, Macau, Vietnam, Japan, Egypt, Thailand, South Africa, Israel.

We have supplied of SS 321 Ferrule Fittings to following places

We are Suppliers of Stainless Steel 321 Compression Tube Fittings in India Such as Doha, Busan, Melbourne, Pune, Visakhapatnam, Istanbul, Kanpur, Santiago, Toronto, Haryana, Colombo, Ahmedabad, Perth, Mumbai, Chiyoda, Montreal, Kuwait City, Bogota, Vadodara, Ahvaz, Karachi, Baroda, Bengaluru, Cairo, Kuala Lumpur, Ernakulam, Port-of-Spain, Hyderabad, Moscow, Navi Mumbai, Secunderabad, Indore, Petaling Jaya, Jeddah, Al Khobar, Geoje-si, Kolkata, Ankara, Rio de Janeiro, Gimhae-si, Ranchi, Granada, Faridabad, Riyadh, Nagpur, Rajkot, New Delhi, Thane, Ludhiana, Vung Tau, Singapore, Al Jubail, Manama, Sharjah, Surat, Coimbatore, Aberdeen, Jamshedpur, Noida, Atyrau, Dallas, Seoul, Bangkok, New York, Howrah, Courbevoie, Brisbane, Calgary, Algiers, Sydney, Abu Dhabi, Lagos, Dammam, Nashik, La Victoria, Lahore, Houston, Thiruvananthapuram, Jakarta, London, Los Angeles, Mexico City, Bhopal, Dubai, Milan, Jaipur, Hanoi, Chennai, Ho Chi Minh City, Gurgaon, Caracas, Madrid, Pimpri-Chinchwad, Tehran, Chandigarh, Edmonton, Ulsan, Hong Kong, Muscat.