ASTM A234 WP11 Carbon Steel Fittings for High Performance Industrial Piping Systems
Backed by 30 years of industry expertise and exports to 85 countries, Yuhong specializes in crafting ASTM A234 WP11 carbon steel fittings for high - performance industrial piping systems. Our fittings, forged from premium alloy steel, offer outstanding high - temperature strength and corrosion resistance.
Adhering strictly to ASTM standards, we utilize advanced seamless and welded fabrication techniques. Every elbow, tee, and reducer is precision - made to ensure a perfect fit. Rigorous quality checks guarantee reliability across oil, gas, and power sectors. Choose Yuhong for decades of quality, global reach, and piping solutions that stand up to pressure.
ASTM A234 WP11 Chemical Requirements
|
Grade & Class
|
Carbon
|
Manganese
|
Phosphorus
|
Sulfur
|
Silicon
|
Chromium
|
Molybdenum
|
Nickel
|
Copper
|
Others
|
|
WP11 CL1
|
0.05–0.15
|
0.30–0.60
|
0.03
|
0.03
|
0.50–1.00
|
1.00–1.50
|
0.44–0.65
|
—
|
—
|
—
|
|
WP11 CL2
|
0.05–0.20
|
0.30–0.80
|
0.04
|
0.04
|
0.50–1.00
|
1.00–1.50
|
0.44–0.65
|
—
|
—
|
—
|
|
WP11 CL3
|
0.05–0.20
|
0.30–0.80
|
0.04
|
0.04
|
0.50–1.00
|
1.00–1.50
|
0.44–0.65
|
—
|
—
|
—
|
ASTM A234 WP11 Tensile Requirements
|
Grade & Class
|
Tensile Strength
|
Yield Strength
|
|
|
Min, MPa [ksi]
|
Min, MPa [ksi]
|
|
WP11 CL1
|
60 [415]
|
30 [205]
|
|
WP11 CL2
|
70 [485]
|
40 [275]
|
|
WP11 CL3
|
75 [520]
|
45 [310]
|
ASTM A234 WP11 Carbon Steel Fittings in Pipeline Systems: Application Performance
1. High - Temperature Resistance
Formulated with chromium (1.00–1.50%) and molybdenum (0.44–0.65%), these fittings maintain structural integrity under elevated temperatures. Ideal for steam pipelines in power plants or heat - intensive chemical processes, they resist thermal deformation and oxidation, ensuring long - term stability.
2. Pressure Endurance
With tensile strength up to 75 MPa (520 ksi for CL3) and yield strength reaching 45 MPa (310 ksi for CL3), they handle high - pressure fluid/gas transfer. Suited for oil/gas pipelines and refinery systems, they prevent leaks and ruptures under extreme pressure differentials.
The alloy composition combats corrosion from aggressive media (e.g., chemicals in petrochemical plants, moisture in steam systems). This reduces maintenance, extends service life, and lowers replacement costs in harsh environments.
4. Dimensional Precision & Compatibility
Manufactured to ASTM/ASME standards (e.g., ASME B16.9), WP11 fittings (elbows, tees, reducers) ensure tight, leak - free connections. Compatible with ASTM A335 P11 pipes and ASTM A182 F11 flanges, they integrate seamlessly into complex networks.
5. Versatile Industrial Use
Deployed across sectors—oil/gas, power generation, chemicals, and water treatment—they adapt to diverse media (oils, steam, corrosive fluids). Their reliability minimizes downtime in critical infrastructure, boosting operational efficiency.
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