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Alloy Steel Pipe Fitting ASTM A234 WP22 180° LR U BEND
ASTM A234 WP22
ASTM A234 is a specification by ASTM International for wrought carbon steel and alloy steel fittings. These fittings are used in pressure systems such as pipelines, where resistance to pressure, temperature, and mechanical stress is crucial.
WP22 refers to the material grade of the fitting, specifically a Cr-Mo alloy steel with 2.25% chromium and molybdenum. This material is known for its excellent resistance to high-temperature conditions, oxidation, and corrosion, making it suitable for use in power plants, refineries, and other high-stress applications.
The WP22 material grade is specifically formulated for use in systems operating at temperatures up to 1000°F (537°C), and it offers good resistance to creep at these temperatures.
180° LR Elbow
A 180° elbow is a pipe fitting that changes the direction of the flow in a pipe by 180 degrees. This means it forms a complete half-circle, creating a sharp U-shape.
In industrial systems, 180° elbows are often used in piping configurations where the fluid or gas needs to make a U-turn, such as in power plants, chemical plants, refineries, and high-temperature process systems.
Features and Specifications
Chemical Composition:
C
Mn
Si
S
P
Cr
Mo
0.05-0.15
0.3-0.5
0.5
≤0.04
≤0.04
2-2.5
0.87-1.13
WP22 Mechanical Properties:
Grade
Tensile Strength, (min.) ksi[MPa]
Yield Strength, (min.) ksi[MPa]
Elongation, (min.) %
Longitudinal
Transverse
WP22 CL1
60[415]
30[205]
22
14
WP22 CL3
75[520]
45[310]
22
14
High-Temperature Resistance:
WP22 is a 2.25% chromium molybdenum steel designed for high-temperature applications up to around 1000°F (537°C). This makes it suitable for power generation, petrochemical, and heat exchanger systems.
Pressure Rating:
These fittings are generally used in high-pressure systems. The exact pressure rating depends on the specific pipe dimensions, wall thickness, and design pressure of the system.
Standardized Testing:
ASTM A234 WP22 fittings, like the 180° elbow, must meet the relevant mechanical properties, such as tensile strength, yield strength, impact resistance, and hydrostatic testing requirements, to ensure they can handle the high temperatures and pressures.
Product range
Size : 1/8"NB TO 48"NB IN Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS Type : Seamless / ERW / Welded / Fabricated /Forged
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...