ASTM A182 F321H Weld Neck RF Stainless Steel Flanges B16.47 ＞24 inch
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015
Model Number:ASTM A182/ F321H
Minimum Order Quantity:500KGS
Delivery Time:10-90 Days
Payment Terms:L/C, T/T
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ASTM A182 F321H WNRF Stainless Steel Flanges
ASTM A182 F321H WNRF Stainless Steel Flanges are a type of flange
made from stainless steel grade F321H. These flanges are designed
with a raised face and a weld neck, which provides a strong and
secure connection to pipes or other equipment.
The ASTM A182 specification covers forged or rolled alloy and
stainless steel pipe flanges, forged fittings, and valves and parts
for high-temperature service. F321H is a high carbon version of the
F321 stainless steel grade, which offers improved high-temperature
strength and resistance to sensitization.
The WNRF (Weld Neck Raised Face) design of these flanges ensures a
smooth flow of fluids and prevents leakage. They are commonly used
in high- pressure and high-temperature applications, such as in the
oil and gas industry, chemical processing plants, and power
generation facilities.
ASTM A182 F321H WNRF Stainless Steel Flanges are available in
various sizes, pressure ratings, and dimensions to suit different
piping systems. They are manufactured according to international
standards and undergo rigorous testing to ensure quality and
performance.
When selecting ASTM A182 F321H WNRF Stainless Steel Flanges, it is
important to consider factors such as the required pressure rating,
temperature range, and compatibility with the fluid being
transported. It is also advisable to consult with a qualified
engineer or supplier to ensure the correct flange is chosen for the
specific application.
ASTM A182 F321 Flanges Types
- ASTM A182 F321 Welding Neck Flange
- ASTM A182 F321 Slip On Flange
- ASTM A182 F321 Socket Weld Flange
- ASTM A182 F321 Lap Joint Flange
- ASTM A182 F321 Threaded Flange
- ASTM A182 F321 Blind Flange
- ASTM A182 F321 Orifice Flanges
- ASTM A182 F321 Long Welding Neck Flanges
- ASTM A182 F321 Weldoflange
- ASTM A182 F321 Nipoflange
- ASTM A182 F321 Expander Flange
- ASTM A182 F321 Reducing Flange
- ASTM A182 F321 WNRF Flange
- ASTM A182 F321 SORF Flange
- ASTM A182 F321 SWRF Flange
- ASTM A182 F321 BLRF Flange
Chemical Compatibility of SS 321 / 321H Flange
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) - 0.70 max |
| SS 321H | 0.04 - 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 4(C+N) - 0.70 max |
Mechanical Properties Chart of ASME SA403 WP321 Pipe Flange
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi - 75000 , MPa - 515 | Psi - 30000 , MPa - 205 |
Application
- ASTM A182 F321 Flange Application
- Oil and Gas Industries
- Food Processing Industries
- Equipments
- Pipeline
- Power Industries
- Ship Building Industries
- Paper Industries
- Cement Industries
- Chemical Industries
ASTM A182 F321H Weld Neck RF Stainless Steel Flanges B16.47 ＞24 inch
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