Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Delivery Time | 7 DAYS |
| Packaging Details | PLYWOOD CASE / PALLET |
| Product Name | Stainless Steel Flange |
| Dimension | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc. |
| Standard | ASTM A182, ANSI B16.5, ANSI B16.47 Series A & B |
| Material | F44 / Alloy 254 SMO / 1.4547 / UNS S31254 |
| Size | 1/2" to 48" |
| Process | Forged |
| Pressure | Class150/300/600/900/1500 |
| Type | Threaded Flange,Slip On Flange,socket Weld Flange,weld Neck Flange,LAP Joint Flange |
| Flange Face | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Application | Petroleum,chemical,etc,fittings And Connection,beer |
| Brand Name | YUHONG |
| Model Number | ASTM A182 F44 Stainless Steel WNRF Flange |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,T/T | Delivery Time | 7 DAYS |
| Packaging Details | PLYWOOD CASE / PALLET | Product Name | Stainless Steel Flange |
| Dimension | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc. | Standard | ASTM A182, ANSI B16.5, ANSI B16.47 Series A & B |
| Material | F44 / Alloy 254 SMO / 1.4547 / UNS S31254 | Size | 1/2" to 48" |
| Process | Forged | Pressure | Class150/300/600/900/1500 |
| Type | Threaded Flange,Slip On Flange,socket Weld Flange,weld Neck Flange,LAP Joint Flange | Flange Face | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Application | Petroleum,chemical,etc,fittings And Connection,beer | Brand Name | YUHONG |
| Model Number | ASTM A182 F44 Stainless Steel WNRF Flange | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | UNS S31254 RF Flange ，ASME B16.5 Steel Tube Flange ，WN Alloy Steel Flanges | ||
ASME B16.5 A182 F44 / Alloy 254 SMO / 1.4547 / UNS S31254 Stainless Steel WN RF Flange
ASTM A182 F44 Alloy 254 SMO / UNS S31254 Super Austenitic Stainless Steel is described as a 6% Mo Flanges super austenitic stainless
steel, which is designed for the maximum resistant to crevice corrosion and pitting. It is engineered for extreme corrosion resistance, especially in chloride-rich environments where standard stainless steels (304/316L) or duplex steels fail. It comes with high levels of molybdenum, chromium, nitrogen and is great for high chloride environments like bleach plants and chloride processing streams. There are different standards for sizing such as ASME, ANSI, DIN and other international standards.
The Equivalent Grade
| UNS Number | UNS S31254 |
|---|---|
| Werkstoff | 1.4529 |
| ASTM Specifications | A479, A473, A240, F44 |
| Other Common Names | SMO 254, 254SMO, Alloy 254, EN 1.4547 |
ASTM A182 F44 / Alloy 254 SMO Stainless Steel Flange Chemical Composition
| ELEMENT % | ||||||||||
| GRADE | C max | Mn max | Cr | Ni | Mo | N | Cu | P max | S max | Si max |
| 254 SMO | 0.02 | 1.00 | 19.50-20.50 | 17.50-18.50 | 6.00-6.50 | 0.18-0.22 | 0.50-1.00 | 0.03 | 0.01 | 0.8 |
A182 F44 / Alloy 254 SMO Stainless Steel Flange Mechanical Properties (Annealed)
| Hardness (HB) | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) (Long.) | Impact Value (J) (Long.) |
|---|---|---|---|---|
| 260 max | 650-850 | 300-340 | 35 min | 100 min |
| Carbon Steel DIN 2576 Flange | ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80) |
| Stainless Steel DIN 2576 Flange | ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409 |
| Alloy Steel DIN 2576 Flange | ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F44, F91 |
| Titanium DIN 2576 Flange | ASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7 ASTM R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 | R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5 |
| Copper DIN 2576 Flange | T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910,C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000,C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc |
| Copper Nickel DIN 2576 Flange | ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640 |
| Brass DIN 2576 Flange | 3602 / 2604 / H59 / H62 / etc. |
| Inconel DIN 2576 Flange | ASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 DIN 2576 Flange |
| Hastelloy DIN 2576 Flange | ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges |
| Monel DIN 2576 Flange | ASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500) |
| Alloy 20 DIN 2576 Flange | ASTM B462 / ASME SB462, Carpenter® 20 Alloy, Alloy 20Cb-3 |
| Aluminium DIN 2576 Flange | 5052 /6061/ 6063 / 2017 / 7075 / etc. |
| Nickel DIN 2576 Flange | ASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC |
| Duplex DIN 2576 Flange | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Super Duplex DIN 2576 Flange | S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Incoloy DIN 2576 Flange | ASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flanges |
Application
Offshore Oil & Gas / Marine Engineering
Seawater Cooling Systems: Pumps, heat exchangers, pipe manifolds.
Ballast Water Treatment: High-salinity, biofilm-prone environments.
Subsea Equipment: Christmas trees, manifolds exposed to chlorides.
Desalination Plants: RO membranes, brine heaters, evaporators (resists pitting from chlorides at high temps).
Chemical & Petrochemical Processing
Acid Handling: Sulfuric, phosphoric, formic, and acetic acid pipelines/reactors.
Chlorinated Solvents: Equipment in PVC/VCM production.
Oxidizing Media: Bleach (hypochlorite), hydrogen peroxide transfer lines.
Flue Gas Desulfurization (FGD) Systems
Scrubber Inlet/Outlet Ducts: Combats chlorides, SO₂, and fly ash abrasion.
Absorber Tower Nozzles: Critical connections in aggressive wet-scrubbing environments.
Pulp & Paper Industry
Bleach Plants: Chlorine dioxide (ClO₂) stages and storage.
Digester Vents: Resists H₂S and acidic condensates.
Pharmaceutical & Food Processing
Ultra-Pure Water (UPW) Systems: High-purity steam/water distribution.
CIP (Clean-in-Place) Lines: Withstands chlorinated sanitizers (e.g., sodium hypochlorite).
Pollution Control & Wastewater
Chloride-Rich Effluents: Chemical waste, landfill leachate processing.
Seawater Sewage Outfalls: Marine discharge pipelines.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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