A182 F53 UNS S32750 B16.5 Super Duplex stainless steel flange
What is ASTM A182 F53 Flange?
ASTM A182 F53 is a specification for a type of flange made from a duplex stainless steel material. The F53 designation refers to the specific grade of duplex stainless steel used in the flange, which is also known as UNS S32750 or 2507.
Duplex stainless steels like ASTM A182 F53 offer a combination of excellent corrosion resistance and high strength, making them suitable for demanding applications in industries such as oil and gas, chemical processing, and offshore environments.
The ASTM A182 F53 flange is manufactured according to the specifications outlined by ASTM International, a globally recognized standards organization. These flanges are designed to connect pipes, valves, and other equipment in a piping system, providing a secure and leak-free connection.
The ASTM A182 F53 flange is commonly used in applications where resistance to corrosion, pitting, and crevice corrosion is required, especially in environments with high chloride content. It offers superior strength and toughness, making it suitable for high-pressure and high-temperature applications.
Overall, the ASTM A182 F53 flange is a specialized component made from duplex stainless steel, known for its corrosion resistance and strength, and it is used in various industries where reliability and durability are crucial.
A182 F53 stainless steel flange Specification
| Specification |
ASTM A182 / ASME SA182 F53 |
| UNS Grade |
UNS S31803, S32205, S2205, S32550, S32750, S32760. |
| Standard |
ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Size |
1/2” to 24″ |
| Dimensions |
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure |
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
A182 F53 stainless steel flange Chemical Composition
| 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 |
ASME SA403 WP316L Stainless Steel Pipe Fittings 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 |
A182 F53 stainless steel flange Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
A182 F53 stainless steel flanges Test Certificates
- EN 10204/3.1B,
- Raw Materials Certificate
- 100% Radiography Test Report
- Third Party Inspection Report, etc
Material Testing:
- Mechanical Testing Such as Tensile of Area
- Hardness Test
- Chemical Analysis – Spectro Analysis
- Positive Material Identification – PMI Testing
- Flattening Test
- Micro and MacroTest
- Pitting Resistance Test
- Flaring Test
- Intergranular Corrosion (IGC) Test
![]()
