ASTM A182 F51 WNRF FLANGE,A182 F51 Duplex stainless steel Welding neck flange, A182 F51 Flange,Duplex stainless steel Flange,blind Flange,Slip on Flange,SAF 2205 Flange, Duplex 2205 Flange
We are a professional manufacturer and exporter of A182 F51 flanges in China.
A182 F51 flanges offering unmatched performance and reliability in critical piping systems. Crafted from Duplex Stainless Steel Grade F51, these flanges adhere to stringent ASTM A182 standards, making them a preferred choice for a wide range of industrial applications
ASTM A182 F51 flanges are forged from duplex stainless steel, a dual-phase alloy renowned for its combination of austenitic and ferritic microstructures. This unique composition provides superior strength, toughness, and corrosion resistance, making it ideal for demanding applications.
UNS S31803 ASTM A182 F51 Specification
ASME /ANSI B16.5, B16.47 A182 F51 UNS S31803 Weld neck FLANGES SPECIFICATION
| Type | Welding Neck Flange |
| Size | 1/2″~48″ DN15~DN1200 |
| Class | 150#,300#,600#,900#,1500#,2500#,3000# |
| Standard | ANSI, ASTM,DIN, JIS, BS, etc |
| Material | Carbon steel: ASTM/ASME A105, A694-F52
Alloy steel: ASTM/ASME A182-F5, F11,F22 Stainless steel: ASTM/ASME A182-F 304/L, F316/L, F321,A182 F51,F55,F60,F53 Low-temperature steel: ASTM/ASME A350-LF2 |
| Application | Oil & Gas , Petroleum, Natural Gas, Electric Power, Industrial, Shipbuilding, etc. |
Technical Data Sheet
A182 F51 Flange Chemical Composition Limits |
|||||||||
| Weight% | C | Mn | P | S | Si | Cr | Ni | Mo | N |
| Duplex F51 | 0.03 max | 2.0 max | 0.03 max | 0.02 max | 1 max | 21-23 | 4.5-6.5 | 2.5-3.5 | 0.80-0.20 |
A182 F51 Duplex Stainless Steel combines improved resistance to stress corrosion cracking, pitting, crevice corrosion and high strength. Due to it’s chemical composition A182 F51 duplex stainless steel resists chloride environments and sulphide stress corrosion.
Duplex 2205,Also known as UNS S32205，is a chromium-nickel- molybdenum-nitrogen stainless stee了.
| FORGING SPECIFICATION | COMMON DESIGNATION | ASTM CAST | WROUGHT BAR SPECIFICATION | SERVICE RECOMMENDATIONS (1) |
|---|---|---|---|---|
| ASTM A182 F44 | 20% Chrome; 18% Nickel; 6% Mo; 0.25% C Super Stainless Steel | ASTM A351 Grade CK3MCuN (A995-1B) Super Austenitic | ASTM A479 S31254 | (2.54 SMO) Acetic acid, antibiotics and drugs, bleaching compounds, formic acid, fruit and juices, hot air, hot water, hydrocarbons, hydrochloric acid, organic liquids and acids, nitric acid, organic salts, oxalic acid, phosphoric acid, sea water, sewage, sodium bisulfite, steam, sulfamic acid, 10% sulfuric acid. |
| ASTM A182 F50 | 25.5% Chrome; 5.5% Nickel; 2% Mo; 0.040% C Super Stainless Steel | ASTM A351 Grade CD4MCu (A995-1A) | ASTM A479 S32550 | Concentrate brine, fatty acids, potable water, pulp water, pulp liqurs at 220ºF (104ºC), sea water, steam, sulfuric acid (15-30% @ 140-160ºF (60-71ºC), sulfuric acid (35-40% @ 185ºF (85ºC), plus 5% organics). |
| 24% Chrome; 9.5% Nickel; 4% Mo; 0.080% C Duplex Stainess Steel | ASTM A351 Grade CE8MN (A995-2A) | Concentrate brine, fatty acids, potable water, pulp water, pulp liqurs at 220ºF (104ºC), sea water, steam, sulfuric acid (15-30% @ 140-160ºF (60-71ºC), sulfuric acid (35-40% @ 185ºF (85ºC), plus 5% organics). | ||
| ASTM A182 F51 | 22% Chrome; 5% Nickel; 3% Mo; N; 0.030% C Duplex Stainless Steel | ASTM A351 Grade CD3MN (A995-4A) | ASTM A479 31803** | Concentrate brine, fatty acids, potable water, pulp water, pulp liqurs at 220ºF (104ºC), sea water, steam, sulfuric acid (15-30% @ 140-160ºF (60-71ºC), sulfuric acid (35-40% @ 185ºF (85ºC), plus 5% organics). |
| ASTM A182 F53 | 25% Chrome; 7% Nickel; 4.5% Mo; N; 0.030% C Duplex Stainless Steel Grade 5A | ASTM A995 Grade CE3MN (A995-5A) | Concentrate brine, fatty acids, potable water, pulp water, pulp liqurs at 220ºF (104ºC), sea water, steam, sulfuric acid (15-30% @ 140-160ºF (60-71ºC), sulfuric acid (35-40% @ 185ºF (85ºC), plus 5% organics). Useful where the Pitting Resistance Number (PREN) is required. | |
| ASTM A182 F55 | 25% Chrome; 7.5% Nickel; 3.5% Mo; N; 0.030% C Duplex Stainless Steel Grade 6A | ASTM A995 Grade CD3MWCuN (A995-6A) | Concentrate brine, fatty acids, potable water, pulp water, pulp liqurs at 220ºF (104ºC), sea water, steam, sulfuric acid (15-30% @ 140-160ºF (60-71ºC), sulfuric acid (35-40% @ 185ºF (85ºC), plus 5% organics). Useful where the Pitting Resistance Number (PREN) is required. |
Our production scope:
ASTM/ASME/ANSIB16.5, B16.47, ASME/ANSIB16.48 flange
slip on flange, Weld Neck Flange ,Threaded Flange Blind Flange,
Dimensions : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc.
Standards : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
Size : 1/8″ NB TO 48″NB.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
BS : BS4504 , BS4504, BS1560, BS10
Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1
How to order our ASTM A182 F51 Flanges?
ASTM A182 F51 Weld neck Flanges,Raise Face,12IN FLANGE WN SCH-40S ASME B16.5 900# RF
ASTM A182 F51 FLANGE WN SCH-40S ASME B16.5 3/4 IN 900# RF
