Home > Alloy Steel > Alloy Steel Gr 11 Flanges
Specifications :ASTM A182 / ASME SA182
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard :ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size :1/2″ to 36″
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type :Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
| Grade | C | Mn | P | S | Si | Ni | Ch | Mo | Cb |
| F11 | 0.15 | 0.30-0.60 | 0.030 | 0.030 | 0.50-1.00 | – | 1.00-1.50 | 0.44-0.65 | – |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| F11 | 415 | 205 | 20 | – | 121-174 |
At Koasteel, we’re proud to be the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. Backed by cutting-edge manufacturing facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-grade materials kept on hand in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply these Alloy Steel Gr 11 Flanges conforming to DIN, ISO, JIS or ANSI Standard.
High Strength: Grade 11 alloy steel flanges are recognized for their outstanding strength and long-lasting durability, which makes them well suited to high-pressure and high temperature applications
Cost: Alloy steel Grade 11 provides a budget-friendly alternative to certain other high-performance alloys while delivering similar mechanical properties and corrosion resistance
Wear Resistance: The alloying elements in Grade 11 alloy steel give it remarkable wear resistance, extending the flange’s service life even in abrasive conditions.
Thermal resistance: These flanges deliver excellent thermal performance, retaining their mechanical properties even under high temperatures. This makes them perfect for high-temperature uses, such as boilers, pressure vessels and electric heaters.
Corrosion resistance: Grade 11 alloy steel includes elements like chromium and molybdenum, which boost its corrosion resistance, particularly in settings exposed to acids, alkalis and other corrosive substances
Alloy steel Gr 11 flanges enjoy broad use across numerous industries thanks to their outstanding mechanical properties and their resistance to wear corrosion, and high temperatures. You will find these flanges applied extensively in the oil and gas, petrochemical, power generation, and aerospace sectors. They serve a vital role in connecting equipment, valves, and pipe systems. Their remarkable strength, toughness, and wear resistance make them ideal for uses subjected to demanding operating conditions, including high temperatures, high pressures, and corrosive environments.
Petrochemical Industry: Alloy steel grade 11 flanges see extensive use in the petrochemical sector for piping systems handling corrosion, elevated temperatures and high pressure. They deliver protection against corrosion and oxidation, which makes them well suited to demanding locations.
Chemical applications: Alloy steel grade 11 flanges serve in corrosive chemical control facilities. They offer outstanding resistance to corrosion from acids, alkalis and other aggressive chemicals.
Oil and Gas Industry: Oil refineries and gas processing facilities rely on alloy steel grade 11 flanges to join pipelines that transport crude oil, natural gas and assorted refined products. Their ability to resist corrosion in the environment, together with rising temperatures, is essential.
Power Generation: Flanges built from grade 11 alloy steel are employed in power plants for pipelines carrying steam, water, and other fluids under high temperatures and pressures. Their durability and heat tolerance make them a perfect fit for this use.
Understand your needs: Identify the working parameters, including temperature, pressure, and the kind of water or gas moving through the pipes. Doing so will help you figure out what details you need for the flange.
Standards and Regulations: Confirm whether there are particular industry standards or regulations you must adhere to when picking the alloy steel Gr 11 flange. This guarantees you meet legal requirements and safety standards.
Size and number: Think about the size and quantity of flanges your piping system needs. Verify that the flanges you select align with the size and pressure rating of your piping components.
Compatibility: Alloy steel Gr 11 works well for high-temperature and high-pressure uses. Make certain that the fluid or air being conveyed matches your design and operating conditions.
Email Us: sales@koasteel.nz
