42CrMo4 Alloy Steel Bar

Introduction:

Welcome to our company! Our business specializes in manufacturing and supplying high-quality industrial products that cater to the needs of customers worldwide. Our company has gained widespread recognition and a solid reputation in the industry, thanks to our strict adherence to stringent quality standards and unwavering commitment to delivering value to our customers. We are proud to introduce our top-of-the-line product, the 42CrMo4 Alloy Steel Bar, which is renowned for its exceptional quality and durability.

What is 42CrMo4 Alloy Steel Bar?

42CrMo4 Alloy Steel Bar is a high-quality, chromium-molybdenum alloy steel that is widely used in engineering applications. It is a versatile material that offers excellent mechanical properties and toughness, making it ideal for a wide range of industrial and commercial applications.

Composition:

42CrMo4 Alloy Steel Bar is composed of high levels of chromium, molybdenum, and carbon. Chromium and molybdenum are known for improving the strength, hardness, and toughness of steel. The high carbon content gives the steel its exceptional wear resistance and durability, making it ideal for use in harsh environments.

Features and Benefits:

Here are some of the features and benefits of 42CrMo4 Alloy Steel Bar that make it stand out from the competition.

- High Strength: 42CrMo4 Alloy Steel Bar is known for its excellent strength and toughness. It is perfect for use in applications that require high strength and durability.

- Good Toughness: The steel bar is capable of handling high-stress applications without cracking, which stems from its toughness.

- Excellent Heat Resistance: 42CrMo4 Alloy Steel Bar can withstand high temperatures making it ideal for use in high-temperature applications such as the manufacturing of turbines, heat exchangers and other thermal equipment.

- Corrosion Resistance: The high levels of chromium in the steel provide excellent corrosion resistance, ensuring the longevity of your equipment, making it ideal for use in marine applications.

- High Wear Resistance: 42CrMo4 Alloy Steel Bar has a high level of carbon content that provides excellent wear resistance, making it ideal for use in the manufacturing of tools, dies, and molds.

Applications:

42CrMo4 Alloy Steel Bar is a versatile material that can be used in a wide range of industrial applications, here are some examples:

- Automotive Industry: Used in the manufacturing of crankshafts, gears, and other high-stress components.

- Aerospace Industry: Used in the manufacturing of aircraft landing gear, gears, and other high-stress, high-temperature components.

- Oil & Gas Industry: Used in drilling tools, mining equipment, and oil-rig components.

- Manufacturing Industry: Used in the manufacturing of machinery, turbines, and other industrial equipment that requires high strength and wear resistance.

Conclusion:

42CrMo4 Alloy Steel Bar is an exceptional product that offers unmatched strength, durability, and toughness compared to other steel bars available on the market. Our product is of the highest quality, ensuring that your equipment will last longer and perform flawlessly, saving you money in the long run. It is used in a wide range of industries, making it a versatile and reliable steel bar for all your industrial and commercial needs. Our company is dedicated to delivering high-quality products and services, ensuring our customers have the best experience possible. Contact us today to learn more about our 42CrMo4 Alloy Steel Bar and how we can help you meet your industrial needs.

AISI SAE 4140 alloy steel is a chromium molybdenum alloy steel specification widely used in general purpose high tensile steel for components, like axles, shafts, bolts, gears and other applications. Similar to alloy grade AISI 4130 chrome moly alloy steel but with a slightly higher carbon content. The higher carbon content of AISI 4140 steel gives greater strength and heat treatment capabilities in comparison to AISI / ASTM 4130 alloy steels, however it does have inferior weldability characteristics.

Supply Range 

Dimension: Diameter4-1600mm, length below 16m.

Delivery Conditions

  Cold drawn: 4-100mm

  Hot rolled: 12-320mm

  Hot forged: 130-1600mm

  Peeled: 30-160mm

  Grind: 4-600mm

  Turned: 130-1200mm

Surface: Black, smooth, turned, peeled, grind, polished, oiled and painted surface or other anti-corrosive treatment per customers' requests.

End: Beveled, plain end, vanished or plastic caps can be provided if necessary

Application

ASTM alloy 4140 steel bar, flat or plate material can be used for as wide variety of applications where greater toughness and wear resistance is needed over lower carbon grades.

Typical applications for 4140 tool steel uses include

Components, Adapters, Arbors,strippers, holder blocks, mold bases, ejectors, back up and support tooling, fixtures, jigs, molds, cams, drill collars, Axle Shafts, Bolts, Crankshafts,stubs, couplings, reamer bodies, axles, shafting, piston rods, rams, hydraulic machinery shafts, gears, sprockets, gear racks, chain links, spindles, tool bodies, tool holders, tie rods, Connection Rods, Chuck Bodies, Collets, Conveyor Pins & Rolls, Ejector Pins, Forks, Gears, Guide Rods, Hydraulic Shafts & Parts,Lathe Spindles, Logging Parts, Milling Spindles, Motor Shafts, Nuts, Pinch Bars, Pinions, Pump Shafts,boring bars,tracks, slides, wear strips or parts, forming dies, brake dies, trim dies, bolsters, machinery parts and components, etc.

Common 4140 Steel Equivalency 

Chemical Composition 

Mechanical Properties

Processing

Forging

Preheat the steel carefully, heat to 1150 oC – 1200 oC maximum, hold until temperature is uniform throughout the section.

Do not forge below 850 oC.Following forging operation the work piece should be cooled as slowly as possible.

Heat Treatment

Annealing
Heat ASTM 4140 steels to 800 oC – 850 oC, hold until temperature is uniform throughout the section and cool in furnace.

Normalizing
Heat steel alloy 4140 to 870 oC – 900 oC, hold until temperature is uniform throughout the section, soak for 10 – 15 minutes and cool in still air.

Tempering
Re-heat 4140 grade steel to 550 oC – 700 oC as required, hold until temperature is uniform throughout the section, soak for 1 hour per 25 mm of section, and cool in still air.

Hardening

AISI alloy 4140 steel bar, plate and square can be hardened by cold working, or heating and quenching.

SAE 4140 alloy steel is usually supplied ready heat treated to hardness in 18-22 HRC. If further heat treatment is required, then heat to 840 oC – 875 oC, hold until temperature is uniform throughout the section, soak for 10 – 15 minutes per 25 mm section, and quench in oil, water, or polymer as required.

Product packaging

Certifications

Why choose us?

• Our team of professionals is dedicated to ensuring that we deliver top-quality Alloy Steel Bars that meet our customers' unique needs.
• We actively establish a sense of worry, keenly grasp the changes in domestic and international economic and social development, and understand the impact of changes in the situation on our company.
• Trust us to provide you with Alloy Steel Bar products that are of the highest quality and standards.
• The company has gradually stepped into a virtuous development track, ushered in a vigorous development of good situation.
• We offer competitive prices and high-quality Alloy Steel Bars that represent excellent value for money.
• We will always adhere to the brand development strategy, vigorously promote service innovation, management innovation and technological innovation, seek win-win development with our partners in a positive manner, and help to accomplish the development dreams of our customers.
• We use state-of-the-art equipment and adopt advanced techniques to produce top-notch Alloy Steel Bars.
• In order to continue to enhance our 42CrMo4 Alloy Steel Bar and deliver more cutting-edge features and performance, we are applying some of the latest improvements in technology.
• We are a reliable supplier of Alloy Steel Bars, and you can count on us for all your needs.
• "People-oriented" has always been the core of our management philosophy, respecting people, shaping people, cultivating people, and providing a broad space for development for every employee.

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