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ASTM A182 SS 309 Flanges/ Stainless Steel UNS 30900 Flanges




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ASTM A182 SS 309 Flanges/ Stainless Steel UNS 30900 Flanges
ASME SA182 SS 309 Threaded Flanges, SS WP309 Socket Weld Flanges, SS 309 Pipe Flanges, SS 309 Slip On Flange Supplier, SS WERKSTOFF NR.1.4762 Slip On Flanges Exporter in India.
SS 309 Orifice Flange, SS WP 309 RTJ Flange, 309 SS Lap Joint Flange, ASTM A182 SS 309 Stainless, ASTM A182 Stainless Steel 309 Nipolet Flange Supplier in Mumbai, India.
Detailed Information
ASME SA182 Stainless Steel 309 Flanges are made and supplied by Prashaant Steel & Alloys, a world-renowned producer and retailer. ASTM A182 SS 309 Flanges are commonly recognised as pieces made of stainless steel of maritime quality. Prashaant Steel & Alloys is a common choice for selecting the best quality ASTM A182 SS 309 Flanges because of our company’s excellent reliability and stability. Prashaant Steel & Alloys produces ASME SA182 Stainless Steel 309 Flanges with cutting-edge equipment and machinery to ensure that the ASTM A182 SS 309 Flanges are fully dimensionally correct. Prashaant Steel & Alloys has a wide range of ASTM A182 SS 309 Flanges for our customers to choose from. Our customers can choose the most acceptable ASME SA182 Stainless Steel 309 Flanges from a range of sizes and thicknesses, as well as other ASTM A182 SS 309 Flanges sizes. Our comprehensive inventory helps us to satisfy our customers’ demands for quantity and quality in ASTM A182 SS 309 Flanges.
Prashaant Steel & Alloys is a well-known maker, exporter, and retailer of ASME SA182 Stainless Steel 309 Flanges of superior quality. These ASTM A182 SS 309 Flanges are made from high-quality alloys. As a result of its austenitic construction, ASTM A182 SS 309 Flanges have excellent strength, welding capability, corrosion resistance, and machinability. To meet customer demand, we provide it with various requirements such as height, outer diameter, wall thickness, lengths, and so on. Our brand verifies commodity consistency requirements such as ASME, EN, JIS, and ASTM, among others.
A wide collection of 309 Stainless Steel Flanges are available in different range of diameters, different sizes and different wall thickness depending on the different functions. SS 309 Flanges provides resistance to Marine atmosphere as well because they are annealed at 1038 degree centigrade followed by quenching in water. They have high weldability and high chromium but low Nickel content makes them cost-effective.

These Alloy 309 Flanges are available in the form of Stainless Steel 309 Slip on Flanges, SS 309 Weld neck flanges, SS 309 Blind flanges, SS 309 Lap Joint Flanges, SS 309 Pipe Flanges, SS 309 Socket Weld flanges and so on. These flanges find their application in power generation industry, gas processing industry, food processing industries, pharmaceutical industry, heat exchangers industry, seawater equipment industry, oil drilling companies, chemical industry, fertilizer industry, sugar industry and more.

Standard Specification for Stainless Steel ASTM A182 309 Flanges


ASTM A182 / ASME SA182


1/2″ (15 NB) TO 48″ (1200 NB)


ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Class / Pressure

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.


ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Chemical Composition of Stainless Steel 309 Flanges:

Element Content (%)
Iron, Fe 60
Chromium, Cr 23
Nickel, Ni 14
Manganese, Mn 2
Silicon, Si 1
Carbon, C 0.20
Phosphorous, P 0.045
Sulfur, S 0.030

Mechanical Properties of Stainless Steel 309 Flanges:




Tensile strength

620 MPa

89900 psi

Yield strength (@ strain 0.200%)

310 MPa

45000 psi

Izod impact

120 – 165 J

88.5 – 122 ft-lb

Shear modulus (typical for steel)

77 GPa

11200 ksi

Elastic modulus

200 GPa

29008 ksi

Poisson’s ratio



Elongation at break (in 50 mm)



Hardness, Brinell



Hardness, Rockwell B



Hardness, Vickers (converted from Rockwell B hardness)



Physical Properties of Stainless Steel 309 Flanges:





8 g/cm3

0.289 lb/in³

Melting point



Applications of Stainless Steel 309 Flanges:

  • Petroleum refineries,
  • Aerospace
  • Chemical Processing
  • Thermal Processing
  • Oil & Gas
  • Pharmaceutical
  • Bio Synthethic and Motorsport Industries



Types of Stainless Steel 309 Flanges:


Stainless Steel 309 Flanges

Stainless Steel 309 EN 1092-1 Flanges

Stainless Steel 309 BS 4504 Flanges

Stainless Steel 309 Forged Flanges

Stainless Steel UNS S30900 Flanges

Stainless Steel 309 Slip on Flanges

SS 309 Flat Flange Suppliers

ANSI 309 Stainless Steel Blind Flange

SS 309 Weld Neck Flanges Dealer

SS 309 Socket weld Flanges Exporter

SS 309 Long Weld Neck Flanges Stockholder

Steel 309 Threaded Flanges Distributors

Stainless Steel SUS 309 Reducing Flanges

SS 309 Ring Type Joint Flanges Manufacturer

Stainless Steel DIN 1.4436 Orifice Flange

Stainless Steel 309 Spectacle Blind Flanges

Stainless Steel 309 WNRF Flange

Stainless 309 SORF Flanges

ANSI B16.5 SS 309 RTJ Flanges

SS 309 Screwed Flanges Stockist

ASTM A182 SS 309 Lap Joint Flanges

ASME SA182 SS 309 BLRF Flange

Stainless Steel 309 Raised Face Flanges

309 SS Nipoflange

A182 SS 309 Square Flanges

ASME SA182M SS 309 SWRF Flange

Steel 309 Tongue & Groove Flanges

SS 309 Male & Female Flanges

Stainless Steel 309 DIN Flanges

SS 309 ASME B16.5 Flanges

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

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