ASTM A182 F11 CL2 Alloy Steel Flange Weldneck Raised Face B16.5
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015
Model Number:ASTM A182 F11 CL2
Minimum Order Quantity:1PCS
Delivery Time:7DAYS
Payment Terms:L/C,T/T
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Ningbo Zhejiang China
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20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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ASTM A182 F5 Alloy Steel Flange Weldneck Raised Face B16.5
ASTM A182 is an American Society for Testing and Materials standard specifically for forged or rolled alloy and stainless steel flanges, forged fittings, valves, and components for high-temperature service. F11 is a chromium-molybdenum alloy steel. CL2 stands for Class 2, a key classification for F11 material. This designation indicates that the flange undergoes a normalizing and tempering heat treatment, resulting in higher strength and improved mechanical properties than Class 1 (annealing only).
ASTM A182 Alloy Steel Flange Chemical Composition
GRA. | UNS | CHEMICAL COMPOSITION % MAXIMUM | ||||||
| C | MN | P | S | SI | CR | MO | ||
| F11 CL2 | K11572 | 0.10-0.20 | 0.30-0.80 | 0.04 | 0.04 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
ASTM A182 Alloy Steel Flange Heat Treatment
GRA. | UNS | Tensile Strength, min, ksi [MPa] | Yield Strength, min, ksi [MPa]B | Elongation in 2 in. [50 mm] or 4D, min, % |
|---|---|---|---|---|
| F11 | K11572 | 70[485] | 40[275] | 20 |
ASTM A182 F11 CL2 Alloy Steel Flange Key Advantages
- Excellent high-temperature strength and hydrogen corrosion resistance
- High mechanical strength and toughness
- Reliable connection and excellent stress distribution
ASTM A182 F11 CL2 Alloy Steel Flange Application
- Petroleum Refining Industry: High-temperature, high-pressure pipelines in hydrocracking or hydrotreating units, atmospheric and vacuum units, etc.
- Petrochemical Industry: Ethylene crackers, fertilizer plants, coal-to-chemical converters, and reactor inlet and outlet pipelines.
- Fuel Power Plants: High-temperature, high-pressure steam piping systems.
- Nuclear Power Industry: Piping for some auxiliary systems.
ASTM A182 F11 CL2 Alloy Steel Flange Weldneck Raised Face B16.5
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