Stainless Steel 321/321H Coupling Manufacturer

321 Stainless Steel Threaded Coupling Manufacturer, SS 321H Couplings Suppliers, SS F321 Coupling Exporters, 321 Stainless Steel Screwed Couplings, SS F321 Forged Coupling Stockist, Stainless Steel 321 Couplings, 321H Stainless Steel Socket Weld Couplings in Mumbai India.

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Priminox overseas is the professional exporter and supplier of these Stainless Steel 321/321H Half & Full Coupling. We are manufacturing these Half & Full Couplings in the way so that it can be used for various applications. We are making these Half & Full Couplings in precise and accurate sizes, shapes, and dimensions. We are using the superior quality of raw material for the production of these Half & Full Couplings. We are supplying these Couplings under compliance with National and International quality standards.

This Stainless Steel 321 Half & Full Coupling is the titanium settled austenitic stainless steel with higher general corrosion resistance. These couplings are having excellent resistance to intergranular attacks after exposer in the chromium carbide precipitation environment. These alloys also help in maintaining excellent oxidation. These Couplings have higher creep and stress rupture properties. Our Couplings have many features that are having many characteristics such as excellent oxidation resistance, neutralized against weld heat-affected zone, and oppose polyphonic acid stress corrosion cracking. All these features make them perfect for industrial use. We are supplying these Couplings in the required amount to our esteem clients.

321 SS Full Couplings, 1.4541 / 1.4878 Half Coupling, ASTM A182 F321 SS Half Couplings, UNS S32100 / S32109 Full Coupling, SS 321H High-Pressure Coupling, ANSI B16.11 SS 321 Coupling, ASME SA 182 F321H Stainless Steel Couplings Manufacturer in India, SS 321 Forged Couplings.

Before the packaging of these Stainless Steel 321H Half & Full Coupling, we, Priminox Overseas, check these products to remove the defected pieces. To check these Half and Full Couplings, we perform various tests. Then we do the packaging of these Couplings and make the delivery of it. We also ensure the fastest delivery of these Couplings at the doorstep of our clients.

321/ 321H Stainless Steel Coupling Specification

Trade nameStainless Steel 321 Coupling
Stainless Steel 321 Couplings StandardASTM A182 / ASME SA182
321 Stainless Steel Coupling DimensionsASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
SS 321 Couplings Size Range1/8” NB to 4” NB (Socket weld & Screwed-Threaded)
Stainless Steel 321 Couplings Class/Pressure
  • 2000 LBS
  • 3000 LBS
  • 6000 LBS
  • 9000 LBS
SA 182 Gr 321 Stainless Steel Coupling Fittings MarkingAll Fittings are marked as follows: Grade, Standard, Thickness, Heat No. (Or according to the customer’s request.)
Delivery Time7-15 working days as usual, It will based on the detailed order quantity.
Payment TermsPaypal, Western Union, T/T (Telegraphic Transfer or Wire Transfer), L/C or Trade Assurance 30% deposit & balance before shipping
Free SampleYes if we have in stock
UNS S32100 Stainless Steel Coupling testing reports
  • EN 10204/3.1B
  • NACE 3.1 Certification
  • Mill Test Certification
  • ISO 17025 Standards by a Government of India approved Laboratory
  • Raw Materials Certificate
  • 100% Radiography Test Report
  • Third Party Inspection Report and others as required
  • Positive Material Identification is done on all raw material procured at Priminox Overseas
SA 182 F 321  Stainless Steel Couplings Origin & MillsJapanese, Indian, USA, Korean, European, Russian, Ukraine (Strictly No China)
Stainless Steel 321 UNS S32100 Coupling Fittings Application & uses
  • Petroleum
  • Chemical plant
  • Power sector
  • Gas Industry
  • Hardware tools
  • Metallurgy
  • Machinery
  • Construction
  • Shipbuilding

Equivalent Grade of SS 321/321H Coupling

SS 321S321001.4541X6CrNiTi18-10SUS 321
SS 321H S321091.4878X12CrNiTi18-9SUS 321H

Ready Stock of 321/321H Stainless Steel Couplings


Full Coupling

1.4541 / 1.4878 Full Couplings
ASTM A182 F321 Full Coupling
ASME SA 182 F321H SS Full Couplings
Stainless Steel F321 Socket weld Full Coupling
SS F321H Screwed Full Coupling
321 SS Full Couplings
321H SS Threaded Full Coupling
UNS S32100 / S32109 Full Couplings
AISI 321 Full Coupling


Half Coupling

ASME SA 182 F321H SS Half Couplings
SS F321H Screwed Half Coupling
321 SS Half Couplings
Stainless Steel F321 Socket weld Half Coupling
321H SS Threaded Half Coupling
UNS S32100 / S32109 Half Couplings
AISI 321 Half Coupling
1.4541 / 1.4878 Half Couplings
ASTM A182 F321 Half Coupling


Threaded Coupling

ASTM A182 321 Threaded Coupling
ASME SA 182 321H SS Screwed Couplings
Stainless Steel F321 Threaded Coupling
321H SS Threaded Full Coupling
SS F321 Threaded Half Couplings
UNS S32100 / S32109 Threaded Couplings
AISI 321 Screwed Coupling
1.4541 / 1.4878 Threaded Couplings

ASME SA182 F321/321H Stainless Steel Couplings Price

ASTM A182 F 321 Stainless Steel Couplings : FOB Price US $500.00-$2,200.00 / Ton
321 Stainless Steel Full Couplings :  FOB Price US $800.00-$4,000.00/ Ton
Stainless Steel 321 Half Couplings :  FOB Price US $800.00-$4,800.00/ Ton
ASTM A182 F321 Socket Weld Stainless Steel Coupling : FOB Price US $1,299.00-$2,999.00/ Ton
ASME  SA182 F 321H Stainless Steel Threaded Couplings : FOB Price US $900.00-$4,000.00/ Ton

Stainless Steel 321/321H Coupling Chemical Composition

SS 3210.08 max2 max1.0 max0.045 max0.030 max17.00 – 19.009.00 – 12.00
SS 321H 0.04 – 0.102.0 max1.0 max0.045 max0.03 max17.00 – 19.009.00 – 12.00

ASTM A182 F321/321H Couplings Mechanical Properties

GradeDensityMelting PointTensilee StrengthYield Strength (0.2%Offset)Elongation
SS 321/321H 8.0 g/cm31400 °C (2550 °F)Psi – 75000, MPa – 515Psi – 30000, MPa – 20535 %

Widest Stock of 321, 321H Stainless Steel Couplings

Suppliers Stockist and Distributors Of World's Top 10 Manufacturers Of SS 321/321H Couplings

Approved In The Following Top Refineries Across The Globe

Application of Stainless Steel 321, 321HCouplings

Oil & Gas Industry 82%
Chemical Industry 87%
Power Plants Industry 74%
Nuclear Plants Industry 70%
Ship Building Industry 84%
Paper & Pulp Industry 65%

Manufacturer Stainless Steel 321, 321H Couplings

The list of top cities in India
New DelhiAhmedabadJaipurSuratSalemGandhinagar
BhubaneswarVijaywadaFirozabadBokaro Steel CityRajkotBharuch

ASTM A182 SS 321, 321H Couplings Distribution Network

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

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