Alloy Steel 8620 Hex Bars Manufacturer, Stockist and Exporter

Alloy Steel 8620 Hex Bars are a versatile engineering material widely used in automotive, aerospace, and heavy machinery industries. Known for their excellent combination of strength and toughness, these bars are ideal for parts that require high fatigue resistance. They undergo precise heat treatment processes to enhance their mechanical properties. 8620 Hex Bars are available in various dimensions, making them suitable for both standard and custom applications. Their balanced composition ensures durability under extreme conditions. These hex bars are commonly used for gears, shafts, and fasteners. Quality assurance is maintained at every production stage to meet industrial standards.

The chemical composition of Alloy Steel 8620 includes elements such as carbon, manganese, chromium, nickel, and molybdenum. This specific combination provides an excellent hardenability profile while maintaining toughness. Carbon content is optimized to allow case hardening without compromising core ductility. Manganese improves strength and wear resistance, whereas chromium and nickel enhance corrosion resistance and toughness. Molybdenum increases high-temperature strength, making it suitable for heavy-duty components. This carefully controlled composition ensures consistent performance across all bar sizes. 8620 Hex Bars can be heat treated to achieve desired hardness levels for specific applications.

Alloy Steel 8620 Hex Bars are manufactured using hot rolling and forging techniques to ensure uniformity and structural integrity. The hot rolling process enhances grain structure and eliminates internal defects. Forged bars offer superior strength, making them ideal for high-stress applications. Advanced finishing processes ensure smooth surfaces and precise hex dimensions. Bars are inspected for dimensional accuracy, straightness, and surface finish. The combination of quality manufacturing and rigorous inspection guarantees reliable performance. These bars are available in both standard hex sizes and customized lengths according to client requirements.

Worldwide Alloy Steel 8620 Hex Bars Manufacturer, Stockist and Exporter

Mechanical properties of Alloy Steel 8620 Hex Bars include high tensile strength, yield strength, and toughness. These properties make them suitable for applications where heavy loads and repeated stress are expected. The bars offer excellent fatigue resistance and can withstand high-impact forces. Hardness levels can be tailored through case hardening and tempering processes. This adaptability makes 8620 Hex Bars ideal for automotive components, gears, and pinions. Additionally, they maintain stability at elevated temperatures, making them suitable for machinery exposed to heat. Regular quality tests confirm that each batch meets mechanical and metallurgical standards.

Alloy Steel 8620 Hex Bars are highly machinable and can be efficiently cut, drilled, or milled. Their excellent wear resistance allows for prolonged service life in demanding environments. The bars are resistant to deformation under high loads and maintain dimensional stability. They are compatible with various surface treatment methods, including nitriding, carburizing, and plating. This versatility makes them suitable for a wide range of industrial applications. 8620 Hex Bars are often chosen for manufacturing transmission components, axles, and heavy-duty fasteners. Industries benefit from reduced maintenance costs and enhanced performance due to the material’s durability.

Alloy Steel 8620 Hex Bars

Storage and handling of Alloy Steel 8620 Hex Bars require proper measures to prevent corrosion and surface damage. Bars should be kept in dry, ventilated areas and preferably coated with protective oil or paint. Careful stacking and support prevent bending or deformation during storage. Regular inspection for surface rust or scratches ensures the integrity of the bars. Compliance with handling guidelines enhances the material’s lifespan and maintains its mechanical properties. Proper handling is crucial for bars intended for precision applications in automotive and aerospace industries. Suppliers often provide packaging options that protect the bars during shipping and storage.

Choosing Alloy Steel 8620 Hex Bars ensures reliability, durability, and high performance in demanding industrial environments. Their unique combination of mechanical strength, toughness, and machinability makes them suitable for critical components. Industries across the globe rely on 8620 Hex Bars for applications requiring high fatigue and wear resistance. Advanced manufacturing processes and strict quality control make them a trusted choice. Available in various dimensions and finishes, these bars meet diverse engineering requirements. From automotive shafts to aerospace fasteners, Alloy Steel 8620 Hex Bars deliver consistent performance. Investing in quality 8620 Hex Bars guarantees long-term operational efficiency and reliability.

Alloy Steel 8620 Hex Bars

Specifications

Property Value
Material Grade 8620 Alloy Steel
Standard ASTM A29 / AISI
Shape Hex Bar
Surface Finish Hot Rolled / Forged
Dimensions Custom & Standard Hex Sizes (e.g., 10mm to 200mm)
Length 1m to 6m (customizable)
Hardness HRC 20–30 (after heat treatment)
Heat Treatment Annealed, Normalized, or Case Hardened
Application Gears, Shafts, Automotive, Aerospace, Heavy Machinery
Certification ISO 9001 / Material Test Certificate (MTC) Provided

Chemical Composition (Typical Ranges)

Element Percentage (%)
Carbon (C) 0.18 - 0.23
Manganese (Mn) 0.60 - 0.80
Chromium (Cr) 0.40 - 0.60
Nickel (Ni) 0.40 - 0.70
Molybdenum (Mo) 0.15 - 0.25
Phosphorus (P) Max 0.035
Sulfur (S) Max 0.040
Silicon (Si) 0.15 - 0.35

Mechanical Properties

Property Value
Tensile Strength (Ultimate) 620 - 850 MPa
Yield Strength 380 - 580 MPa
Elongation 14 - 18%
Hardness (HRC) 20 - 30 (after heat treatment)
Impact Strength (Charpy V-notch) 45 - 55 J at room temperature
Fatigue Resistance Good for case-hardened components
Density 7.85 g/cm³
Modulus of Elasticity ~210 GPa
Application Suitability Gears, Shafts, Automotive & Aerospace Components

Dimension Chart

Hex Size (Across Flats) Width (mm) Width (inch) Length (m) Length (ft)
10 mm 10 0.3937 1 - 6 3.28 - 19.68
20 mm 20 0.7874 1 - 6 3.28 - 19.68
30 mm 30 1.1811 1 - 6 3.28 - 19.68
40 mm 40 1.5748 1 - 6 3.28 - 19.68
50 mm 50 1.9685 1 - 6 3.28 - 19.68
60 mm 60 2.3622 1 - 6 3.28 - 19.68
70 mm 70 2.7559 1 - 6 3.28 - 19.68
80 mm 80 3.1496 1 - 6 3.28 - 19.68
100 mm 100 3.9370 1 - 6 3.28 - 19.68
150 mm 150 5.9055 1 - 6 3.28 - 19.68
200 mm 200 7.8740 1 - 6 3.28 - 19.68

Equivalent 8620s

Standard Equivalent Grade
AISI / SAE 8620
ASTM A29 Grade 8620
EN / DIN 20CrNiMo
JIS SCM420H
BS 826M40
IS (India) 8620
GB (China) 20CrNiMoA

We offer a wide range of Alloy Steel 8620 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 Alloy Steel 8620 Hex Bars manufacturer, stockist, and exporter. Our products serve both domestic industrial hubs and global industries, delivering high-performance Alloy Steel bars that meet stringent engineering and quality standards.

Frequently Asked Questions (FAQs)

What is Alloy Steel 8620?
Alloy Steel 8620 is a low-carbon steel with added nickel, chromium, and molybdenum to enhance hardenability, strength, and toughness. It is widely used in gears, shafts, and automotive components.
What are the applications of 8620 Hex Bars?
8620 Hex Bars are used in automotive, aerospace, and heavy machinery for manufacturing gears, shafts, pins, fasteners, and other high-stress components requiring wear and fatigue resistance.
What heat treatments are applied to 8620 Hex Bars?
They can be annealed, normalized, or case-hardened depending on the application. Case hardening is commonly used to achieve a hard surface while retaining a tough core.
What are the standard sizes available?
Standard hex sizes range from 10 mm to 200 mm across flats, with lengths from 1 m to 6 m. Custom sizes can also be manufactured on request.
What mechanical properties does 8620 offer?
8620 Hex Bars have high tensile and yield strength, good toughness, fatigue resistance, and hardness ranging from HRC 20–30 after heat treatment.

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 Alloy Steel 8620 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