4340 Alloy Steel Bar Stock

A low-alloy steel known among industries for its toughness, the 4340 Alloy Steel is highly used in construction.

4340 Alloy Steel Round Bar Stock

This nickel-chromium-molybdenum alloy steel is primarily used across industries also because of its ability to achieve high strengths in heat-treated conditions.

In fact, this type of alloy steel is able to maintain its great fatigue and wear resistance and is even immune to embrittlement.

As such, industries ensure that they acquire a 4340 alloy steel bar stock to be used in applications where its features are proven to be most useful.

Steel Purchaser

4340 ALLOY STEEL IS APPLICABLE IN HIGH STRESS CONDITIONS

A 4340 alloy steel and its strongest feature which is its toughness and hardness, is also known to have good shock and impact resistance as well as abrasion resistance.

Moreover, its good ductility allows it to be easily bent and formed allowing industries to unanimously choose a 4340 alloy steel bar to create parts and components that have to be heavily machined under stressful conditions.

4340 ALLOY STEEL COMPOSITION

PHYSICAL PROPERTIES4340
Density0.284 lb/in³
Melting Point2600℉
MECHANICAL PROPERTIES4340
Tensile Strength108000 psi
Yield Strength68200 psi
Hardness (Brinell)217
Hardness (Knoop)240
Hardness (Rockwell B)95
Hardness (Vickers)228
Elastic Modulus27557-30458 psi
Machinability50
CHEMICAL PROPERTIES4340 (%)
Carbon0.38-0.43
Chromium0.70-0.90
Nickel1.65-2.00
Manganese0.60-0.90
Sulfur0.025
Silicon0.15-0.35
Molybdenum0.20-0.30
Phosphorus0.025 max

ALLOY STEEL APPLICATIONS

With how easy it is to machine a 4340 alloy steel in several customary methods, the aerospace and aircraft manufacturing and automotive industries definitely choose it as their material to manufacture essential parts and components.

For the aerospace and aircraft manufacturing industry a 4340 alloy steel round bar is truly essential in creating parts and components involving its landing gear systems.

On the other hand, the automotive industry uses a 4340 alloy steel round bar stock to create transmission gear parts.

If you are a company which belongs in either aircraft manufacturing or automotive industry and in need of 4340 alloy steel round bar in your various applications, make sure to partner with a supplier capable of only producing high-quality alloy steel products.

Here in Advance Grinding Services, we can definitely provide you with high-quality 4340 alloy steel products.

Give us a call or simply request a quote on our website to acquire high-quality 4340 alloy steel products today!