Alloy Steel Grade F12 is a chromium-rich alloy steel designed for improved oxidation resistance and elevated-temperature performance. It provides good mechanical strength, resistance to scaling, and durability in high-heat environments. Grade F12 is commonly applied in power plants, petrochemical facilities, and industrial boilers where consistent performance under thermal stress is critical.
MECHANICAL PROPERTIES OF ALLOY STEEL F12 ROUND BAR
Grade
Tensile Strength (MPa) min
0.2% Yield Strength (MPa) min
Elongation (% in 50mm) min
Rockwell B (HRB) max
Brinell (HB) max
F12
415
220
20
—
121 – 174
💡 Practical Difference in Use
Use Alloy Steel Grade F12 Round Bars when: enhanced oxidation resistance and higher chromium content are required for elevated-temperature service. Alloy Steel F12 is a chromium-molybdenum alloy steel designed for improved scaling resistance and long-term stability under continuous heat exposure.
→ Example: high-temperature steam piping, boilers, refinery heaters, pressure vessels, and heat-resistant components.
Bright Finished / Machined Alloy Steel F12 Round Bars when: tight dimensional tolerances, smooth surface finish, and consistent machinability are essential for high-temperature pressure parts. Bright bars ensure accuracy and reliability in fabrication.
→ Example: valve parts, studs, bolts, shafts, flanges, and precision-machined boiler components.
Applications of Alloy Steel Grade F12 Round Bars
Alloy Steel F12 round bars are commonly used in environments demanding oxidation resistance, thermal strength, and durability.
Power Generation: Boilers, superheaters, steam piping.
Petrochemical & Refineries: High-temperature heaters and piping.
