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Stainless Steel 347 Flanges

Nascent Pipe & Tubes are proud manufacturers, suppliers, exporters, and stockists of Stainless Steel 347 Flanges.Known for their exceptional oxidation and wear resistance properties, these Flanges find extensive usage in boilers and heavy exhaust systems because of their good mechanical properties.

Our Stainless Steel 347 Flanges are made from steel designed to meet ASTM A182 and A240 specifications for high-temperature, high-pressure service. The flanges' manufacture also adheres to ANSI, ASME, BS, DIN, and EN specifications, giving assurance of their reliability and performance in general industrial applications of all types. In these SS 347s, lap joint flanges and other forms of this grade are available, which can be used in a nominal diameter of – inches to 48 inches.

Stainless Steel 347 Flanges Manufacturers, Stainless Steel 347 Flanges Suppliers, Stainless Steel 347 Flanges Stockists, Stainless Steel 347 Flanges Exporters

Stainless Steel 347 Flanges Manufacturers in India, Stainless Steel 347 Flanges Suppliers in India, Stainless Steel 347 Flanges Stockists in India, Stainless Steel 347 Flanges Exporters in India

These are provided with various pressure ratings: Class 150 through 2500 and PN6 through PN64. Application conditions will also provide the variant flanges with flat face, raised face, and ring type joint. The 347 Stainless Steel RTJ Flange is a two-part design. The flanges are welded onto the separate pipe ends before connecting for a very secure and durable fit. Also, with its increased carbon content, 347H adds increased toughness for the more demanding applications.

The composition of 347 grade stainless steel includes the following elements; 17% of chromium and 9% of nickel, along with carbon, manganese, silicon, phosphorus, sulfur, cobalt, and iron. This composition gives the material a high melting point of 1454°C, while it has strength properties only comparable to that of grade 304, with a minimum yield strength of 205 MPa and a minimum tensile strength of 515 MPa.

Nascent Pipe & Tubes offers high-grade SS UNS S34700 Weld Neck Flanges, which have the option of a welded neck to make connectivity to piping convenient. Being one of the well-known manufacturers, suppliers, exporters, and stockists, we are engrossed in offering superior quality Stainless Steel 347 Flanges to our esteemed customers in various scales and grades at reasonable price. Please contact for more details regarding products as well as for its prices.

Stainless Steel 347 Flanges Manufacturers in Mumbai, Stainless Steel 347 Flanges Suppliers in Mumbai, Stainless Steel 347 Flanges Stockists in Mumbai, Stainless Steel 347 Flanges Exporters in Mumbai

Specifications For Stainless Steel 347 Flanges

Standards GOST Flange, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092, BS, BS4504, BS 10, EN-1092, DIN, ANSI, ASME, DIN, MSS S44, ISO70051, ANSI/ASME B16.5, ASME/ANSI B16.5/16.36/16.47A/16.47B, B16.47 Series A & B, B16.48, EN
Pressure Rating ANSI Class 1500, Class 150, Class 900, Class 2500, Class 300, Class 600,
Pressure Calculation in DIN 10Bar, 16Bar, 25Bar, 40Bar, 6Bar, / PN16, PN64, PN40, PN25, PN10, PN6
JIS 16 K, 20 K, 5K, 10 K, 40 K, 63 K, 30 K,
UNI 10Bar 16Bar 6Bar 25Bar 40Bar
EN 6Bar 25Bar 40Bar 10Bar 16Bar
Most common Types Threaded / Screwed / Forged / Plate
Production technique
  • Forged, Heat treated and machined
Shapes and Types we produce Large Male-Female (LMF), Ring Type Joint (RTJ), Flat Face (FF), Small Tongue, Small Male-Female (SMF),Raised Face (RF), Large Tongue & Groove, Groove, Lap-Joint Face (LJF)
Test Direct-reading Spectrograph, Magnetic particle detector, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector
Equipment Pushing Machine, Press machine, Bending machine, Sand-blasting machine, electric bevelling machine etc

Chemical Composition of Stainless Steel 347 Flanges

Grade C Mn Si P S Cr Mo Ni N
SS 347 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 16.00 - 18.00 2.00 - 3.00 10.00 - 14.00 68.89 min

Mechanical Properties of Stainless Steel 347 Flanges

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1399 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

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Mumbai Ahmedabad Bhopal Bikaner Pune
Delhi Chennai Visakhapatnam Mangalore Nagpur
Bangalore Kolkata Siliguri Assam Indore
Hyderabad Surat Nashik Cochin Thane
Faridabad Rajkot Aurangabad Bhavnagar Ranchi
Coimbatore Mysore Salem Tirupur Bikaner
Raipur Bhubaneswar Bhilai Ankleshwar Bhiwandi
Vadodra Kochi

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