ASTM A182 GR. F53 Weld neck flange, F53 WNRF Flange,SORF Flange,BLRF Flange
ASME /ANSI B16.5, B16.47 Weld neck FLANGES SPECIFICATION
C&N is a professional manufacturer of steel forged flange .
Super duplex stainless steel UNS S32750 Flange,A182 F53 Flange.
A182 F51/F53/F44/F55/F60/F61
Super Duplex Steel F53 Flange (UNS S32750 Flange)
S32750 F53 Flange composition
| Chemical Composition Limits | ||||||||||
| Weight% | C | Mn | P | S | Si | Cr | Ni | Mo | N | Cu |
| Super Duplex F53 | 0.03 max | 1.2 max | 0.035 max | 0.015 max | 0.8 max | 24-26 | 6-8 | 3-5 | 0.3 | 0.5 max |
UNS S32750 A182 F53 is a high alloy duplex stainless steel. F53 Flanges has excellent resistance to pitting and crevice corrosion resistance compared with the ordinary austenitic or duplex types. Due to this A182 F53 stainless steel is used primarily in highly corrosive conditions.
UNS S32750 F53 Mechanical Properties
| Alloy | Tensile Strength ksi | Proof Strength 0.2% ksi (min) | Elongation (%) (min) |
Hardness Rockwell C |
| Super Duplex F53 Annealed Condition | 110-135 | 80 | 15 | 28 max |
UNS S32750 is a super duplex stainless steel supplied in the solution annealed condition. As a super duplex stainless steel, it combines the desirable aspects of both austenitic and ferritic grades. The higher chromium, molybdenum and nitrogen contents result in a Pitting Resistance Equivalent number (PREN) of >41, providing pitting and crevice corrosion resistance superior to austenitic and duplex stainless steels in almost all corrosive media, and a Critical Pitting Temperature exceeding 50°C.
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 / 3.1B,
ASTM A182 F53 (UNS S32750) flanges are an excellent choice for desalination plants, particularly in seawater handling and high-chloride environments.
Quality is our first concern,to ensure the good quality delivered.
Typical test requirements for ASTM A182 GR. F53 (UNS S32750) Weld Neck Flange, based on applicable standards like ASTM A182, ASME B16.5, and project or customer specifications.
Test Requirements for ASTM A182 GR. F53 Weld Neck Flange
-
Chemical Composition Test
- Standard: ASTM A182 / ASTM A276 / ASTM A479
-
Mechanical Testing
| Test Type | Standard | Requirement (Typical) |
| Tensile Test | ASTM A370 | UTS ≥ 795 MPa; YS ≥ 550 MPa; Elongation ≥ 15% |
| Hardness Test | ASTM A370 / E18 | Max. 300 HBW (typical: ~250 HBW) |
| Impact Test (if required) | ASTM A370 / A923 | Charpy V-Notch, typically at -46°C / -50°C – ≥ 40J avg |
3. Intergranular Corrosion Test (if required)
- Standard: ASTM A262 Practice E / A923 Method C
- Purpose: Ensure resistance to intermetallic phase precipitation
- Result: No sensitization or cracking
4. Non-Destructive Testing (NDT)
| Test Type | Standard | Typical Requirement |
| Ultrasonic Test (UT) | ASME SA388 / ASTM A578 | For forgings – ensure internal soundness |
| Dye Penetrant Test (PT) | ASME V / ASTM E165 | For surface cracks (especially machined faces) |
5. Positive Material Identification (PMI)
- Required for Super Duplex materials to confirm material grade (UNS S32750)
- XRF or OES method
- Visual & Dimensional Inspection
- Standard: ASME B16.5 / B16.47
- Flatness, OD, thickness, bolt circle, bore, etc., must meet flange dimensional tolerances.
Certificate Required
- EN 10204 Type 3.1 as standard
- EN 10204 Type 3.2 (if third-party inspection required)
Includes: Chemical, Mechanical, Heat Treatment, NDT, and PMI records
HOW to order our ASTM A182 F53 Flange?
FLANGE WELD NECK Raise Face 1″ CLS 1500 SCH80 ASTM A182 GR F53 UNS S32750
