ASTM A182 F304L flanges are constructed from low carbon austenitic chromium and nickel stainless steel. The low carbon content makes the material less susceptible to intergranular and localized corrosion.
ASTM A182 F304L is a standard specification set forth by the American Society for Testing and Materials (ASTM) for forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and parts intended for high-temperature service. Specifically, ASTM A182 F304L refers to flanges made from stainless steel grade 304L.
ASTM A182 F304L Flange is the Standard Specification for Forged Stainless Steel Pipe Flanges and Stainless Steel Forged Fittings. ASTM 182 is use in pressure systems, Included are flanges, fittings and similar parts to specified dimensions or to dimensional standards, such as the ASME specifications.
ASTM A182 F304L Flange the low carbon version of 304, does not require post-weld annealing and so is extensively used in heavy gauge Components (over about 6mm). Grade 304H with its higher carbon content finds application at elevated temperatures. The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.
Let's break down the key components of the ASTM A182 F304L Flange :
This is the designation for a set of standards developed by ASTM International. ASTM A182 covers specifications for forged or rolled alloy and 304L Stainless Steel pipe flanges, forged fittings, and valves.
The "F" stands for forged, and "304L" indicates the specific grade of stainless steel. In this case, 304L is a low-Carbon variant of the widely used 304 stainless steel. The "L" signifies that the steel has a lower carbon content than standard 304, making it more corrosion-resistant in certain environments.
ASTM A182 F304L Flanges are components used to connect pipes, valves, pumps, and other equipment to form a piping system. Flanges provide a means for easy assembly and disassembly of the system, as well as for inspection and modification.
ASTM A182 F304L flanges are forged or rolled components made from Stainless Steel Grade 304L, specifically designed for use in high-temperature service. These flanges play a crucial role in connecting various components within a piping system, ensuring a secure and reliable infrastructure for fluid or gas transport. Users and manufacturers adhere to ASTM A182 F304L specifications to maintain consistency and quality in the fabrication and use of these Stainless Steel flanges.
Savoy Piping Inc. are recognized as the prominent Manufacturer, Exporter and Supplier of a broad assortment of A182 F304L Flanges. The offered ASTM A182 F304L Flanges is designed with utmost precision in conformity with the international quality standards.
ASTM A182 F304L Flange Specification | ASTM A182 / ASME SA182 |
ASTM A182 F304L Flange Manufacturing Process | Hot Forging / Rolling / Machining |
ASTM A182 F304L 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 |
ASTM A182 F304L Flange Outer Diameter | 1/2" NB TO 64" NB |
ASTM A182 F304L 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 |
ASTM A182 F304L Flange Schedule | Sch 10s TO Sch XXS or As Per Custom Requirement |
ASTM A182 F304L Flange Facing | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
ASTM A182 F304L Flange Dimension | ASME B16.5, ASME B16.47 SERIES A, ASME B16.47 SERIES B,ASME B16 47 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.. |
ASTM A182 F304 Flange Types | Welding Neck Flange, Slip On Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Blind Flange, Orifice Flanges, Plate Flange, Long Welding Neck Flanges,Din Flanges, Weldoflange,weld Neck Flange ,Nipoflange, Expander Flange, Reducing Flange, WNRF Flange, SORF Flange, SWRF Flange, Custom Flange as per Drawing etc. |
ASTM A182 F304L 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. |
ASTM A182 F30L4 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 |
ASTM A182 F304L Flange Packaging | Loose / Carrate / Wooden Pallet / Wooden Box / Plastic Cloth Wraps |
ASTM A182 F304 Flange Shipment & Transportation | By Road - Truck / Train Partial Load, Full Load, By Sea - Break-bulk Conventional Vessel / |
ASTM A182 F304L 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 |
The chemical composition of grade ASTM A182 F304L Flange and RTJ Flange is outlined in the following table
C | Mn | Si | P | S | Cr | Ni | N | |
---|---|---|---|---|---|---|---|---|
304 | 0.07max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 10.5 | — |
304L | 0.03max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 12.0 | 0.10 max |
304H | min: 18.0 max:20.0 | min: 8.0 max: 10.5 | min: 0.04 max:0.10 | 0.75 max | 2.0 max | 0.045 max | 0.03 max | 0.10 max |
The mechanical properties of grade ASTM A182 F304L Flange are displayed in the following table.
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
304 | 515 | 205 | 40 | 92 | 201 |
304L | 485 | 170 | 40 | 92 | 201 |
304H | 515 | 205 | 40 | 92 | 201 |
304H also has a requirement for a grain size of ASTM No 7 or coarser. |
Physical properties of ASTM A182 F304L grade stainless steel in the annealed condition
Grade | Density(kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
304/L/H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
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