4130 Chromoly Steel Properties

41xx steel is a family of sae steel grades as specified by the society of automotive engineers sae. Alloying elements include chromium and molybdenum and as a result these materials are often informally referred to as chromoly steel common variant stylings include chrome moly cro moly crmo crmo cr moly and similar they have an excellent strength to weight ratio and are considerably. This information may be useful for machining purposes and as a resource for purchasing 4130 and 4140 steel.

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Aisi 4130 Alloy Steel Uns G41300

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4130 Steel

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It is an exceptional welding steel being weldable in all commercial methods and is readily machined in its normalized tempered condition.

4130 chromoly steel properties.

Some of the major applications of aisi 4130 alloy steel are in aircraft engine mounts and welded tubing. 4130 steel is easily cold. The added chromium and molybdenum help to give the steel different properties from its mild steel counterpart aisi 1030 even though they have the same percentage of carbon. It has a density of 7 85 g cm 3 0 284 lb in 3 and benefits from heat treatment hardening.

4130 steel is a chromium molybdenum alloy steel and is considered a low carbon steel. Aisi 4130 chromoly steel uns g41300 aisi 4130 steel uns g41300 also known as 4130 chromoly steel is a chrome molybdenum series low alloy steel with high strength toughness and hardenability usually used in quenched and tempered condition. Tempering of aisi 4130 steel can be performed at 399 to 566 c 750 to 1050 f depending on the desired strength level. It is important to note that the machining of alloy steel 4130 is.

The 30 at the end of the grade number designates that it has approximately 0 30 carbon by weight. Chromoly 4130 is a low alloy steel containing chromium molybdenum iron carbon and other alloying elements. Chromoly steel is actually alloy steel grade 4130. Steel 4130 has an excellent strength to weight ratio and is considerably stronger and harder than other standard grades of steel.

Astm 4140 steel is also commonly referred to as a chromoly steel or chrome moly steel containing nominally 0 28 0 33 carbon 0 8 1 1 chromium and 0 15 0 25 molybdenum. Chromoly steels are especially useful in their ability to retain their bulk properties while allowing for significant hardness to be attained. Aisi 4130 alloy steel is a medium carbon low alloy steel in astm a29 standard. Hardening of aisi 4130 steel can be done with cold working or heat treatment.

The chemical properties of 4130 and 4140 steel are similar aside from differences in carbon and manganese concentrations. Steel properties make it a versatile metal especially mechanical properties such as high ductility good weldability and the fact it can be. What is 4130 steel. The following is a comparison of 4130 grade steel and 4140 grade steel.

It is similar to 4140 steel which has a higher carbon level. 4130 steel otherwise known as chromoly or chromium molybdenum steel alloy is made with 0 8 to 1 1 chromium and 0 15 to 0 25 molybdenum as strengthening agents. It is very useful for any mechanical engineer to be aware of 4130 steel properties. The addition of chromium to steel improves strength and corrosion resistance and the molybdenum increases material toughness.

4130 chromoly tubing also has a smooth interior and exterior finish that resists scaling and oxidation.