Chrome Moly Steel F5 F9 F11 F22 Hex Bars Manufacturer, Stockist and Exporter

Chrome Moly Steel F5, F9, F11, F22 Hex Bars are premium alloy steel products known for their superior strength and toughness. These hexagonal bars are widely used in engineering and industrial applications where durability under high pressure and temperature is critical. The steel grades F5, F9, F11, and F22 provide excellent mechanical properties, making them suitable for high-stress environments. They are often utilized in the manufacturing of pressure vessels, boilers, and structural components. The uniform cross-section of hex bars allows easy machining and precision engineering. These bars are also favored for their resistance to corrosion and wear, ensuring long service life. They meet stringent quality standards to maintain consistent performance in critical applications.

F5 Chrome Moly Steel Hex Bars are recognized for their moderate strength and good weldability. They are commonly used in low-pressure applications and general structural purposes. The steel composition includes chromium and molybdenum, which enhance its hardness and resistance to oxidation. F9 Hex Bars, on the other hand, offer higher tensile strength and are suitable for higher pressure systems. F11 and F22 Hex Bars are designed for more demanding environments, including high-temperature operations and chemical processing industries. These grades provide a balance of toughness, hardness, and corrosion resistance. Precision in dimensional accuracy ensures minimal material wastage during machining.

One of the key advantages of Chrome Moly Steel Hex Bars is their machinability. Despite their high strength, they can be easily cut, drilled, or turned to desired shapes. F22 Hex Bars, for example, are often chosen for components that require intricate machining and high wear resistance. These bars are also heat-treatable, which allows enhancement of their mechanical properties for specific industrial needs. They maintain uniform properties across their entire length and cross-section, ensuring reliability in critical applications. The hexagonal shape facilitates easier handling, installation, and assembly in mechanical systems. Manufacturers strictly follow ASTM and ASME standards during production.

Worldwide Chrome Moly Steel F5 F9 F11 F22 Hex Bars Manufacturer, Stockist and Exporter

Chrome Moly Steel F5, F9, F11, F22 Hex Bars are widely used in the oil and gas industry. They are essential for pipelines, valves, flanges, and pressure vessels exposed to high pressures and temperatures. These bars provide long-lasting performance even under cyclic loading and thermal stress. Chemical industries rely on these steels for reactors and heat exchangers due to their resistance to corrosion and oxidation. Their ability to withstand wear and tear reduces maintenance costs and increases operational efficiency. The versatility of these hex bars makes them suitable for both low and high-pressure applications.

The mechanical properties of these steel grades differ slightly to meet application-specific requirements. F5 Hex Bars have moderate tensile strength, while F9 and F11 provide higher yield and ultimate tensile strength. F22 Hex Bars combine high strength with excellent toughness at elevated temperatures. Hardness levels can be adjusted via heat treatment processes such as quenching and tempering. These properties make Chrome Moly Steel Hex Bars suitable for manufacturing shafts, fasteners, and other critical components. Consistent quality control ensures that every batch meets industrial tolerances and performance standards.

Chrome Moly Steel F5 F9 F11 F22 Hex Bars

Chemical composition of Chrome Moly Steel Hex Bars typically includes chromium (0.9–1.1%) and molybdenum (0.4–0.6%) along with carbon and manganese in controlled quantities. These elements enhance the bars’ strength, hardness, and resistance to oxidation. The precise balance ensures that the steel maintains weldability without compromising toughness. The bars are also resistant to creep and fatigue, which is essential for long-term applications in heavy machinery. F22 Hex Bars, with higher chromium and molybdenum content, are particularly preferred in high-temperature environments. Regular testing guarantees compliance with ASTM, ASME, and ISO standards.

Chrome Moly Steel F5, F9, F11, F22 Hex Bars are available in various sizes, ranging from small precision bars to large industrial-grade sections. They are supplied in hot-rolled, normalized, or quenched and tempered conditions depending on application requirements. The uniform hexagonal shape simplifies integration into mechanical assemblies. These bars provide a cost-effective solution for industries requiring high-strength, corrosion-resistant components. Due to their wide range of applications, they are considered a reliable material for oil, gas, power generation, and chemical sectors. Their combination of strength, durability, and machinability makes them indispensable in modern engineering.

Chrome Moly Steel F5 F9 F11 F22 Hex Bars

Specifications

Grade Application Tensile Strength (MPa) Yield Strength (MPa) Hardness (HB) Temperature Range (°C) Weldability
F5 Low-pressure vessels, general structures 485 - 620 275 - 380 170 - 220 -20 to 400 Good
F9 Medium-pressure boilers, valves 585 - 690 415 - 450 200 - 240 -20 to 450 Moderate
F11 High-pressure systems, piping 620 - 750 450 - 500 220 - 260 -20 to 500 Moderate
F22 High-temperature, chemical and power plants 655 - 790 460 - 520 230 - 270 -20 to 550 Good

Chemical Composition (Typical Ranges)

Grade Carbon (C) % Chromium (Cr) % Molybdenum (Mo) % Manganese (Mn) % Phosphorus (P) % Sulfur (S) % Silicon (Si) %
F5 0.12 - 0.20 0.50 - 0.65 0.15 - 0.25 0.30 - 0.60 <0.035 <0.035 0.15 - 0.35
F9 0.12 - 0.20 0.80 - 1.10 0.40 - 0.50 0.30 - 0.60 <0.035 <0.035 0.15 - 0.35
F11 0.12 - 0.20 0.90 - 1.20 0.45 - 0.55 0.30 - 0.60 <0.035 <0.035 0.15 - 0.35
F22 0.15 - 0.23 1.90 - 2.20 0.50 - 0.60 0.30 - 0.60 <0.030 <0.030 0.20 - 0.40

Mechanical Properties

Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (HB) Impact Strength (J)
F5 485 - 620 275 - 380 20 - 25 170 - 220 40 - 50
F9 585 - 690 415 - 450 18 - 22 200 - 240 35 - 45
F11 620 - 750 450 - 500 16 - 20 220 - 260 30 - 40
F22 655 - 790 460 - 520 15 - 18 230 - 270 25 - 35

Dimension Chart

Size (mm) Across Flats (mm) Weight per Meter (kg/m) Length (mm) Tolerance (mm)
10 10 0.62 3000 - 6000 ±0.2
15 15 1.40 3000 - 6000 ±0.2
20 20 2.47 3000 - 6000 ±0.3
25 25 3.86 3000 - 6000 ±0.3
30 30 5.57 3000 - 6000 ±0.3
40 40 9.85 3000 - 6000 ±0.4
50 50 15.35 3000 - 6000 ±0.5
60 60 22.08 3000 - 6000 ±0.5

Equivalent 8620s

Grade ASTM / ASME EN / DIN JIS GB / Chinese Standard Other Equivalents
F5 A182 F5 / SA182 F5 1.7363 SUH 35 20CrMo5 Equivalent to mild low alloy steels like 8620 (for low-pressure applications)
F9 A182 F9 / SA182 F9 1.7380 SCM 435 25CrMo4 Comparable to 8620 in medium strength range
F11 A182 F11 / SA182 F11 1.7383 SCM 440 26CrMo4 Higher strength equivalent to 8620 in elevated temperature applications
F22 A182 F22 / SA182 F22 1.7386 SCM 420 2CrMoV High strength and temperature resistance; comparable in performance to 8620 in specialized applications

We offer a wide range of Chrome Moly Steel F5 F9 F11 F22 Hex Bars in various diameters, lengths, and finishes. Our bars are supplied with hot-rolled, cold-drawn, and centerless ground finishes, ensuring superior surface quality and dimensional accuracy. Custom cutting, polishing, and packaging services are also available to meet specific project requirements.

With a strong inventory, reliable distribution network, and dedicated customer support, Shakti Forge India continues to strengthen its position as a leading Chrome Moly Steel F5 F9 F11 F22 Hex Bars manufacturer, stockist, and exporter. Our products serve both domestic industrial hubs and global industries, delivering high-performance Chrome Moly Steel bars that meet stringent engineering and quality standards.

Frequently Asked Questions (FAQs)

What are Chrome Moly Steel F5, F9, F11, F22 Hex Bars?
These are high-strength alloy steel hexagonal bars containing chromium and molybdenum. They are designed for use in high-pressure, high-temperature, and corrosion-prone environments such as boilers, pressure vessels, and piping systems.
What are the main applications of these hex bars?
They are used in oil and gas, chemical, power generation, and engineering industries for components like shafts, valves, flanges, and high-pressure piping systems.
What is the difference between F5, F9, F11, and F22?
The grades differ in tensile strength, yield strength, hardness, and temperature resistance. F5 is used for low-pressure applications, F9 for medium pressure, F11 for high-pressure, and F22 for high-temperature environments.
Are these hex bars weldable?
Yes, all these grades are weldable. However, proper preheating and post-weld heat treatment may be required, especially for F11 and F22, to avoid cracking and maintain mechanical properties.
What standards do these bars comply with?
They typically comply with ASTM A182 / ASME SA182 standards, as well as international equivalents such as EN, DIN, JIS, and GB standards.

Cities we have supplied our products to

Mumbai, Delhi, Bengaluru(Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, Rajpipla, Veraval,Kovvur, Andra Pradesh,Karwar, Karnataka,Kosamba, Gujarat, Vishakapatnam, Shahad, Pondicherry, Kakkinada, Pradesh, Nagda, Madhya Pradesh,Harihar, Karnataka, Tuticorin, Tamilnadu, Trivandrum, KeralaKurnool, Rourkela, Hindupur, Orissa, Renukoot, Uttar Morbi, Kerala ,Himachal, Dehradun, Visakhapatnam ,Jamnagar, Kozhikode, Ludhiana,Latur, Nanded, Vijaywada, Alwar, Bareilly, Bikaner, Andheri, Marol, Taloja, Turbhe, TTC (Thane-Belapur), Pimpri-Chinchwad, Chakan, Talegaon, Ranjangaon, Jejuri, Baramati, Satpur, Ambad, Sinnar, Igatpuri, Shendra, Waluj, Chikalthana, Paithan, Hingna, Butibori, Kalmeshwar, Umred, Shiroli, Kagal, Gokul Shirgaon, Akkalkot, Chincholi, Lote-Parshuram, Dombivli, Ambernath, Mahad, Roha, Palghar, Tarapur (Boisar)

Cities we have supplied our products to

South Korea, Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen, France, Germany, Greece, Oman, Colombia, Portugal, Japan, Lithuania, Macau, Mongolia, Qatar, Ireland, Malaysia, Bangladesh, Russia, Iran, Jordan, Singapore, Bulgaria, Poland, Denmark, Nigeria, Gambia, Indonesia, Finland, Argentina, Chile, Spain, Peru, Kuwait, India, Saudi Arabia, Slovakia, Slovenia, Sweden, Switzerland, Bahrain, the Netherlands, United Kingdom, Mexico, Bulgaria, Spain, France, Germany, Colombia, Brazil, Saudi Arabia, Iraq, Iran, Sudan, Libya, Tanzania, Nigeria, New Zealand, Paris, Switzerland

Applications of Chrome Moly Steel F5 F9 F11 F22 Hex Bars

  • Oil & Gas Industry – pipelines, offshore rigs, valves, and fittings
  • Chemical Processing Plants – heat exchangers, reactors, and storage vessels
  • Marine & Shipbuilding – propeller shafts, seawater systems, and pumps
  • Aerospace – jet engines, turbine blades, and structural components
  • Power Generation – nuclear plants, boilers, and steam generators
  • Automotive – exhaust systems, sensors, and performance parts
  • Pharmaceutical & Food Industry – equipment requiring hygiene and corrosion resistance
  • Construction & Infrastructure – high-strength fasteners, joints, and supports