316 stainless steel flanges are an essential part of piping systems and are widely used in a variety of industries due to their corrosion resistance, durability, and high temperature strength. These flanges are made from 316 stainless steel, a common austenitic stainless steel alloy known for its excellent corrosion resistance, especially in aggressive and corrosive environments.
316 stainless steel flanges play a critical role in ensuring the integrity and functionality of piping systems, especially in industries where corrosion resistance and durability are paramount. Its use in a wide variety of applications highlights the versatility and reliability of 316 stainless steel.
316 stainless steel flanges are a way to connect pipes, valves, pumps, and other equipment to plumbing systems. It also provides easy access for cleaning, inspection, and repairs. Flanges are usually welded or screwed. Flange connections are made by bolting two flanges together and placing a gasket between them to ensure a seal.
Stainless steel flange 316 is the standard molybdenum-containing grade, second only to 304 among austenitic stainless steels. Molybdenum gives 316 better overall corrosion resistance properties than grade 304, especially resistance to pitting and crevice corrosion in chloride environments. Excellent formability and weldability. In industrial, architectural, and transportation applications, they can be easily broken or rolled into separate pieces. Grade 316 also has excellent welding properties. When welding thin sections, post-weld annealing is not required.
| Stainless Steel 316 Flange Specification | ASTM A182 / ASME SA182 |
| Stainless Steel 316 Flange Manufacturing Process | Hot Forging / Rolling / Machining |
| Stainless Steel 316 Flange Other Grades | 202 / 304 / 304L / 304H / 309S / 310S / 316 / 316L / 316Ti / 317L / 321 / 321H / 347 / 347H / 904L etc. UNS No. - UNS S30400, UNS S30403, UNS S31008, UNS S31620, UNS S31603, UNS S31603, UNS S31635, UNS S31703, UNS S32100, UNS S34700, UNS S34709, UNS S8904 EN No. - 1.4301, 1.4307, 1.4845, 1.4401, 1.4404, 1.4571, 1.4438, 1.4541, 1.4550, 1.4551, 1.4539 |
| Stainless Steel 316 Flange and Flanges Pipe Fittings Outer Diameter | 1/2" NB TO 64" NB |
| Stainless Steel 316 Flange Pressure Class | Class 150#, Class 300#, Class 400#, Class 600#, Class 900#, Class 1500#, Class 2500# or As Per Custom Requirement PN 6, PN 10, PN 16, PN 25 and PN 40 etc |
| Stainless Steel 316 Flange Schedule | Sch 10s TO Sch XXS or As Per Custom Requirement |
| Stainless Steel 316 Flange Facing | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Stainless Steel 316 Flange Dimension | ASME B16.5, ASME B16.47 SERIES A, ASME B16.47 SERIES B, ASME B16.36, BS10, EN1092-1:2013, MSS SP44, ASA, API-605, ISO 7005, ISO 15590-3, DIN 2631--2638, DIN 2573-2576, DIN 2527, DIn 2641-2642, DIN 2565-2566, DIN2502, AWWA, AS2129 TABLE C, D, E, F, J etc.. |
| Stainless Steel 316 Flange Other Testing | NACE MR0175, Ultrasoung TEST, IGC TEST, Intergranular Corrrosion Test as per ASTM A262 Practice E, Charpy Impact Test, Macro, Grain Size, Hardness, HIC, SSC, Sour Service etc. |
| Stainless Steel 316 Flange Value Added Services | Rolling, Drill, Punch, CNC Machining, Sand Blasting, Shot Blasting, Heat Treatment, Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
| Stainless Steel 316 Flange Packaging | Loose / Carrate / Wooden Pallet / Wooden Box / Plastic Cloth Wraps |
| Stainless Steel 316 Flange Shipment & Transportation | By Road - Truck / Train Partial Load, Full Load, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes |
| Stainless Steel 316 Flange Material Test Certificate | Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS, Bureau of Indian Standards BIS Approved ETC |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316 | Min | - | - | - | 0 | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.08 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | |
| 316L | Min | - | - | - | - | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | |
| 316H | Min | 0.04 | 0.04 | 0 | - | - | 16.0 | 2.00 | 10.0 | - |
| max | 0.10 | 0.10 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | - |
| Grade | Tensile Str (MPa) min |
Yield Str 0.2% Proof (MPa) min |
Elong (% in 50mm) min |
Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316 | 515 | 205 | 40 | 95 | 217 |
| 316L | 485 | 170 | 40 | 95 | 217 |
| 316H | 515 | 205 | 40 | 95 | 217 |
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