Nextgen Steel & Alloys is the chief manufacturer, supplier, and dealer of Stainless Steel 347 Flanges. Our company also manufacture SS 347H Flanges. These flanges are made up of the best quality materials. Our company aims to provide high quality products and services to the global market. We manufacture these flanges in different widths, thicknesses, and lengths as per the need of our clients. Our company supply various types of flanges that are slip-on flanges, Weld Neck flanges and threaded flanges. Pipes with SS 347 Slip-On Flanges are easier to keep together and take apart. Flanges are used as a plate to close or cover the pipes termination.
Stainless Steel 347 Flanges has good forming and welding qualities at cryogenic temperature. This alloy has excellent toughness at high temperatures. This SS 347 alloy is mostly used in elevated temperature applications. Resistance to intergranular corrosion increases due to the addition of columbium and tantalum. This stainless-steel alloy is the higher carbon variant of the alloy, and it increases the creep resistance and for higher strength at temperatures. Our Stainless Steel 347H flanges have a high level of corrosion resistance in highly oxidizing environments. Our Flanges made of SS 347 are almost non-magnetic in the annealed state. This alloy is hardened by cold working, not by hot working. This alloy is not performed well in small concentrations and sulfuric acid. We provide SS 347H Flanges that show many mechanical and physical properties such as tightness, flash point, flexibility, elastic limit, and prolongation.
Our flanges have thermal conductivity and electrical resistivity, as well as an average thermal expansion coefficient. Our products have some characteristics like high creep and stress rupture properties. Our manufactured Stainless Steel 347 Flanges are commonly used in aircraft engine components, petroleum refineries, and power generation. These products are also used in heat exchanger’s, pressure vessels, welded fabrications, and other high heat applications. Nextgen Steel & Alloys manufacture products as per international standards also. Our company use high quality packaging methods that are worldwide acceptable and follow international norms. Our company always improve the materials, technologies and equipment’s to produce high quality products at most affordable price. We provide packaging as per customer requirements.
SS 347 / 347H Flanges Specifications
ASTM A182 / ASME SA182
SS 347 / 347H Flanges Dimensions
ANSI/ ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
SS 347 / 347H Flanges Standard
ANSI Flanges, AWWA Flanges, ASME Flanges, BS 10 Table D Flanges, Table E Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges.
SS 347 / 347H Flanges Size Range
1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
SS 347 / 347H Flanges Pressure Class / Rating
Class 150 LBS, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
SS 347 / 347H Flanges Connect Type/ Flange Face Type
Raised Face (RF), Ring Type Joint (RTJ), Large Male-Female (LMF), Flat Face (FF), Small Male-Female (SMF), Lap-Joint Face (LJF), Small Tongue, Large Tongue & Groove
SS 347 / 347H Flanges Specialized Manufacturer
Weld Neck Ring Flanges (WNRF), Slip-On Ring Flanges (SORF), Blind Ring Flanges (BLRF), Socket Weld Ring Flanges (SWRF), Lap Joint Ring Flanges (LJRF), Ring Type Joint Flanges (RTJF), Large Diameter Flanges, Orifice Flanges
SS 347 / 347H Flanges Test Certificates
EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
SS 347H | 1.4961 | S34709 | SUS 347H | – | X6CrNiNb18-12 |
Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 min |
SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 8xC – 1.10 | 9.0 -13.0 | 63.72 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 % |
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