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42crmo4 Steel

42crmo4 Steel

Round: Dia. 16 - 1000mm
16mm-350mm with hot rolled supply condition;
200-1000mm with forged supply condition


42CrMo4 Steel Product Introduction


42CrMo4 steel is a high-quality alloy steel that originated in China. It is a versatile material with many different applications and is highly sought after by merchants worldwide. As a manufacturer located in China, we offer this exceptionally durable and versatile steel to merchants all over the globe.


In this product introduction, we will discuss the features and benefits of 42CrMo4 steel and detail its unique characteristics. With this information, you will be able to make well-informed decisions about how you can use this steel in your business.


1. What is 42CrMo4 Steel?


42CrMo4 steel is an alloy steel consisting of chromium, molybdenum, and carbon. It is capable of withstanding high temperatures and stresses, making it an ideal material for mold making, parts for machinery, and heavy machinery.


Its composition provides outstanding strength, wear resistance, and toughness that enable it to perform at the highest levels in demanding applications. This steel is often used in the oil and gas industry, mining, aerospace, and other manufacturing sectors.


2. Features and Benefits of 42CrMo4 Steel


a. High Strength and Durability


The combination of chromium, molybdenum, and carbon makes 42CrMo4 steel an incredibly strong material. This property enables it to withstand high pressures and stresses without cracking or deforming.


b. Wear Resistance


42CrMo4 steel is also highly resistant to wear and tear, making it perfect for parts that experience repeated stress or friction. Its wear resistance property ensures that parts made of this steel last longer, reduce maintenance costs, and prevent unexpected downtime.


c. Toughness


This steel has excellent toughness, which allows it to absorb high levels of energy before failure. A high toughness material will reduce the risk of abrupt failure and improves safety in demanding applications. This property makes 42CrMo4 steel ideal for structural and heavy-duty applications.


d. Heat Resistance


42CrMo4 steel has excellent heat resistance properties. It can handle high temperatures and maintain its strength and hardness even in extreme conditions. Therefore, this steel is ideal for components that require heat treatment or face high temperatures during operation.


e. Versatility


Finally, 42CrMo4 steel is a versatile material that offers a wide range of application possibilities. It has found use in many different industries, including construction, automotive, and aerospace. Its excellent properties make it a go-to material for many manufacturers looking for a reliable and durable steel.


3. Applications of 42CrMo4 Steel


a. Oil and Gas Industry


The oil and gas industry uses 42CrMo4 steel for components that experience high pressures and temperatures. It is common in production plants, drilling equipment, and transportation of oil and gas.


b. Mining and Heavy Machinery


42CrMo4 steel is ideal for components needed in the mining and heavy machinery industry due to its durability and strength. It is commonly used for gears, axles, and other parts that experience significant loads.


c. Aerospace


42CrMo4 steel offers excellent heat resistance, making it ideal for use in the aerospace industry. It is often used in parts for aircraft engines, landing gear and other components where high temperatures are present.


d. Automotive and Construction


The automotive and construction industries use 42CrMo4 steel in suspension parts, gears, and other high-stress components that face repeated stress.


4. Advantages of Buying from Us


As a manufacturer located in China, we offer high-quality 42CrMo4 steel at competitive prices. We have years of experience supplying steel to customers worldwide, and we take great pride in providing our customers with a superior product.


We offer fast shipping and flexible payment options so that you can get the steel you need quickly and without hassle.


5. Conclusion


In conclusion, 42CrMo4 steel is a top-quality material with many applications in demanding industries. Its unique set of properties, including high strength, wear resistance, toughness, and heat resistance, makes it an essential component for many machinery and equipment manufacturers.


As a leading supplier of steel, we offer high-quality 42CrMo4 steel at competitive prices. We invite you to contact us today to learn more about our products and how we can help you meet your steel needs.


Min. Order / Reference FOB Price

5 Tons

US $500-800/ Ton


Qingdao, China

Production Capacity:


Payment Terms:

L/C, T/T, D/P, Western Union


Round Bar




Ferrous Steel Scrap


Hot Rolled/Forged/Cold Drawn Steel

Surface Treatment:

Bright Steel Bar or Black Steel

Basic Info.

Model NO.

alloy steel bar

Special Use

Auto Parts


Structural Steel Bar


Alloy Steel Bar

Main Grade

4140 4150 4340 42CrMo4 34CrMo4 etc.

Free Sample


Supply Condition

Hot Rolled/Forged/Cold Drawn+Qt



Transport Package

Seaworthy Packaging


dia: 5mm-300mm



Product Description

1.Chemical Composition (%):


2.Available sizes:
Round: Dia. 16 - 1000mm
16mm-350mm with hot rolled supply condition;
200-1000mm with forged supply condition
3.Delivery condition: Hot rolled or forged, Peeled or black surface, annealed or QT.

Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
5.Heat Treatment:
Soft annealing: heat to 680-720°C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°C
6. Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C
7. Packing situation: standard seaworthy packing or as customer required
8. Delivery time: 30 days after order confirmed
9. Process: EAF+LF+VD ( necessary) +UT+ Peeled(optional) +Turned (optional) + Heat Treatment (optional)

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Next: Alloy 601 Round Bar

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