ASTM A182 Corrugated Stainless Steel Pipe Fittings High Corrosion Resistance
ASTM A182 / A182M-19a Forged Stainless Steel Pipe Fittings for High-Temperature Service. This standard specifies the ratings, dimensions, tolerances, labeling, and material requirements for socket-welding and threaded forged fittings.
| Attribute |
Specification |
| Place of Origin |
Other |
| Class |
2000, 3000, 6000 for Threaded Forged Fittings |
| Product Process |
Silicone Sol Lost Wax Casting |
| Size |
NPS 1/8" - 4" |
| Standard |
ASME B16.11 |
| Hardness |
Full Hard |
| Certificate |
ISO 9001 |
| Application |
Building Field, Industrial Scene, Warehouse Logistic |
| Pressure |
10KG/CM2 (150LBS), 60kg/cm2 (1000WOG) |
| Grade |
F304, F304L, F304H, F309, F310S, F316, F316L, F316H, F317, F317L, F321, F321H, F904L, F347, F347H, F348, F348H |
| Material |
201, 304, 316, etc. |
| Shape |
Various shapes |
Product Overview
These fittings are classified as Class 2000, 3000, and 6000 for threaded end fittings, and Class 3000, 6000, and 9000 for socket-weld end fittings. B16.11 should be utilized in conjunction with equipment detailed in other volumes of the ASME B16 series of standards, as well as other ASME standards like the Boiler and Pressure Vessel Code and the B31 Piping Codes.
ASTM A182 Stainless Steel High-Pressure Forged Pipe Fittings
ASTM A182 Stainless Steel Pipe Fittings are divided into two categories:
- Threaded pipe fittings
- Socket pipe fittings
These categories include elbows, tees, crosses, pipe clamps, pipe caps, unions, pipe plugs, bushings, short connections, reducers and other pipe fitting types.
Technical Specifications
- Pipe fitting size range: 1/8 inch - 4 inches
- Threaded pipe fitting pressure: 2000# 3000# 6000#
- Socket pipe fitting pressure: 3000# 6000# 9000#
ASTM A182 Forged Flanges
Flange types include butt welding flange (WN), socket flange (SW), flat welding flange (SO), threaded flange (TH), blind flange (BL), long weld neck flange (LWN), loose sleeve flange (LAPJ) SAE flange type.
Flange Specifications
- Size range: 1/2 inch - 24 inches (up to 60 inches for Weld Neck and Blind Flanges)
- Pressure Ratings: ASME Class 150#, 300#, 600#, 900#, 1500#, 2500#
- API Flanges: Class 75, 150, 300, 600, 900
- JIS Flanges: JIS B2220 5K, 10K, 16K, 20K, 30K
- DIN Flanges: 6 Bar, 10 Bar, 16 Bar, 25 Bar, 40 Bar
- BS 4504 Flanges: PN10, PN16
Key Advantages
- Good corrosion resistance: maintains stable performance in various corrosive media environments
- Higher strength: withstands higher pressure and load for demanding applications
- High temperature resistance: maintains mechanical properties and stability in high temperature environments
- Easy to process and weld: convenient for various processing operations with good welding performance
Applications
- Petrochemical industry: pipeline systems, reaction vessels, heat exchangers for corrosive media
- Energy field: high temperature and high pressure pipeline systems in thermal and nuclear power plants
- Marine engineering: equipment and structures in marine environments, offshore platforms
- Food processing industry: food processing and pharmaceutical equipment due to corrosion resistance and hygienic properties
Manufacturing Process
- Forging process: optimizes microstructure and improves mechanical properties
- Heat treatment: solution annealing, aging treatment to adjust material properties
- Dimensions and tolerances: specified for interchangeability and connectivity
- Mechanical property inspection: tensile tests, impact tests, hardness tests
- Non-destructive testing: ultrasonic testing, magnetic particle testing, radiography
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