Piyush steel offers a wide range of Stainless Steel 347 Flanges which are designed for safety, positive leak-tight seal, reliability, and other industrial applications. We manage the manufacturing of SS flanges in bulk quantity which is highly in demand because of its prominent features. These flanges are very well known for the corrosion resistance ability and the strength properties. Moreover, we keep a constant attention to maintain the quality of flanges so none of any faulty product will produce. We have employed skilled and experienced professionals who dedicatedly work on the manufacturing line. In our inventory, SS flanges are stored in various standards, custom dimensions, specifications, and designations. The offered range of products is also delivered in the non-standard dimensions for specific applications. We also undertake nationally approved standards and design codes to fabricate these flanges in top-notch quality.
Table Of Content
General characteristics of alloy-
SS 347 is stainless steel elaborated to meet national and international standards. It is stabilized with niobium; therefore this grade achieves good corrosion resistance in the higher temperatures. When it is exposed to the temperature range from 450 deg C to 900 deg C, however, some grade in this range tends to form chromium carbide precipitation in the grain boundary region. Thus, a grade becomes susceptible to intergranular attacks. With niobium, stabilization grade inhibits the formations of chromium carbide and consistently increase resistance to this type of corrosion. This alloy has excellent weldability features and properties common to standard austenitic steels. Also, it has high mechanical properties that assure good ductility. Thus is recommended for cold working operations. Mainly, the application of this alloy intended for corrosive environments and in high temperatures. Stainless Steel 347 Flanges are easily welded and processed by standard manufacturing operations. Machining rate is low in the cold working state; however, it is similar to other standard grades. the hot working temperature of flanges are between 2100 deg F to 2250 deg F. this is recommended for forging, upsetting and other hot forming operations. the hot working operation is not recommended at below 1700 deg F. these flanges must be water quenched or processed from annealing after hot working to attain higher corrosion resistance properties. Alloy 347 is quite ductile and forms easily in the cold formed condition. Stainless Steel 347 Flanges are readily weldable by most standard welding operations. However, the post weld heat treatment is not required.
We have a team of qualified personnel and workforce who are working with continuous efforts to maintain the quality of the manufactured range of products. The quality norms executed in our manufacturing unit is run as per national and international standards of quality. Even the testing process is performed under the guidance of qualified professionals who have great experience in this field. Our quality inspection team working hard with the full dedication that enables us to fabricate products that exactly meets the requirements of our customers. Moreover, all of our manufacturing processes are performed under the strict guidance of professionals and experts. Further manufactured products are processed from material and destructive tests.
• Mechanical test
• leakage test
• compression test
• pressure test
• hardness test
• thermal performance test
• tensile test
• Micro test
• IGC test
• pitting corrosion test
• macro test
• ultrasonic test
• chemical test
• radiographic test
Special care is taken while delivering Stainless Steel 347 Flanges. These are packed in the wooden cases, wooden pallets, plywood cartons, and boxes. Along with products, some sort of documents and certificates are provided by us. Also individually, it is rolled out in a thin film of plastic to prevent contamination.
The main difference between 304 and 347 stainless steel is the presence of columbium and tantalum in 347. These elements are added to increase corrosion resistance, particularly in higher temperature environments. Additionally, 347 has higher carbon content which makes it better suited for welding than 304. It also has a higher chromium and nickel content which gives it greater strength at elevated temperatures.
347 stainless steel is equivalent to grade 321 stainless steel in terms of its composition and performance. Both contain 17% chromium, 9% nickel, and 2% titanium as well as other elements such as carbon and manganese. This combination gives both steels a similar level of resistance to corrosion and temperature-resistance, making them suitable for many applications.
Pipe Specification : ASTM A182 / ASME SA182
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2" (15 NB) to 48" (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges : DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
JIS Flanges : JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges : BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.
|SS 347||0.08 max||2.0 max||1.0 max||0.045 max||0.030 max||17.00 - 20.00||-||9.00 - 13.00||62.74 min|
|Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|8.0 g/cm3||1454 °C (2650 °F)||Psi – 75000 , MPa – 515||Psi – 30000 , MPa – 205||35 %|
The full identification of the flanges should be continuously marked down its whole length, including :
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