OSS Metals

AISI 4330V Steel

What is 4330V Steel?

AISI 4330V is a low alloy steel that belongs to the family of chromium-nickel-molybdenum steels. It has high toughness and strength, good fatigue resistance, and good corrosion resistance in high-stress environments.

4330V Steel Bar Chemical Composition

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Common 4330V Steel Mechanical Properties

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4330V Steel Characteristics

One of the main characteristics of AISI 4330V steel is its ability to retain its strength and toughness at high temperatures. This makes it a suitable material for use in high-stress applications where the operating temperature is above 400°F (200°C). It is commonly used in aerospace, energy, oil and gas well drilling equipment and various components such as gears, shafts, bolts, and fasteners.

AISI 4330V steel has a moderate carbon content of 0.28-0.33%, which gives it good strength and hardness. It also contains small amounts of chromium, nickel, and molybdenum, which improve its corrosion resistance and toughness.

In terms of machinability, AISI 4330V steel is relatively easy to work with, although it may require slightly more power and cutting speed compared to plain carbon steel. It can be machined using a variety of tools, including lathes, milling machines, and drill presses.

Heat treatment is an important factor in determining the final properties of AISI 4330V steel. It is generally heat treated to achieve its desired mechanical properties, such as increased strength or improved toughness. Common heat treatment methods include quenching and tempering, or normalizing and tempering.

In terms of welding, AISI 4330V steel can be welded using a variety of methods, including shielded metal arc welding (SMAW), tungsten inert gas welding (TIG), and metal inert gas welding (MIG). Preheat and post-weld heat treatment may be required to achieve the desired mechanical properties.

Overall, AISI 4330V low alloy steel is a versatile material that is widely used in high-stress applications where good strength, toughness, and corrosion resistance are required. Its ability to retain its properties at high temperatures makes it particularly suitable for use in the aerospace and energy industries.

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