Stainless Steel Forged Flange WNRF ASTM A182 F316L F51 S31803 2205 1.4462 F53 S32750 2507 1.4410 F55 S32760
YUHONG Stainless distributes Stainless Steel Flanges including: Slip-Ons, Socket Weld, Blinds, Lap Joints, Threaded and Weld Necks.
Slip-on Flanges
Slip-on Flanges have a lower initial cost than welding neck flanges because they require less accuracy in cutting pipe to length, and they provide a greater ease of alignment in assembly. However, their calculated strength under internal pressure is approximately 2/ 3's the strength of welding neck flanges, and their life under fatigue is 1/3 shorter. Slip-on Flanges are limited to 1/2" to 2½" sizes in 1500lbs standard.
Threaded Flanges
Threaded Flanges are used for special applications. They can be assembled without welding and can be used in extremely high pressure services--at or near atmospheric pressure--where alloy steel is essential for strength. Threaded flanges are not suited for conditions involving temperature or bending stresses, or under cyclic conditions where leakage through the threads may occur.
Weld Neck Flanges
Weld Neck Flanges have a long tapered hub and gradual transition of thickness in the region of the butt weld joining them to the pipe. The tapered hub provides important reinforcement to the flange and resistance to dishing. This type of flange is preferred for severe service conditions resulting from high pressure, sub-zero or high temperatures.
Blind Flanges
Blind Flanges are used to blank off the ends of piping, valves and pressure vessel openings. Blind Flanges can handle high stress from internal pressure and bolt loading since the maximum stresses in the blind flange are bending stresses at the center.
Socket Weld Flanges
Socket Weld Flanges were developed for use on small size high pressure piping. With an internal weld, socket weld flanges are stronger and have greater fatigue strength than double welding a slip-on flange. Smooth bore conditions can be easily attained by grinding the internal weld. This flange is commonly used in chemical process piping.
Lap Joint Flanges
Lap Joint Flanges are used with lap joint stubs. Lap joint flanges are commonly used in carbon or low alloy steel piping systems that need to be frequently dismantled for inspection and cleaning. They should not be used at any points where severe bending stresses occur.
ASTM A182 F316L Specification
| Specifications | ASTM A182 / A240 & ASME SA182 / SA240 |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Standard | - BS (British Standard)
- DIN, EN (European)
- ASA/ANSI/ASME B16.5/16.36/16.47A/16.47B
- B16.47 Series A & B
- B16.48
- BS4504
- BS 10
- EN-1092
- GOST Flange
- MSS S44
- ISO 70051
- JIS B2220
- BS1560-3.1
- API 7S-15
- API 7S-43
- API 605
- EN 1092
|
| Size Range | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 or special sizes |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Most common types | Forged / Threaded / Screwed / Plate |
| Grade | | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 316L | Min | - | - | - | - | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
| 304 | Min | - | - | - | - | - | 18.0 | - | 8.0 | - |
| Max | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | - | 10.5 | 0.10 |
| 304L | Min | - | - | - | - | - | 18.0 | - | 8.0 | - |
| Max | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | - | 12.0 | 0.10 |
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SS Flange WNRF ASTM A182 F316L F51 S31803 2205 1.4462 F53 S32750 2507 1.4410 F55 S32760 Images
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