Acier spécial 34CrNiMo6/1.6582

Table des matières

Special steel 34CrNiMo6/1.6582 is a high-strength, low-alloy steel known for its exceptional toughness, hardenability, and wear resistance. This versatile material is used in a wide range of engineering and manufacturing applications, making it a popular choice among engineers and designers. Whether you’re working on automotive components, aerospace structures, or heavy machinery, understanding the properties and applications of 34CrNiMo6/1.6582 is crucial. Let’s dive into the details of this remarkable steel.

Vue d'ensemble Acier spécial 34CrNiMo6/1.6582

Special steel 34CrNiMo6, also known by its DIN designation 1.6582, is an alloy steel that combines the beneficial properties of nickel, chromium, and molybdenum. These elements enhance the steel’s mechanical properties, making it ideal for demanding applications where strength, toughness, and resistance to wear are essential. With its excellent hardenability, 34CrNiMo6/1.6582 can be heat treated to achieve various levels of hardness and strength, providing flexibility in design and manufacturing.

Key Properties of 34CrNiMo6/1.6582:

  • Résistance et ténacité élevées
  • Excellent hardenability
  • Good wear resistance
  • High fatigue strength
  • Resistance to shock and impact

In the following sections, we’ll explore the chemical composition, mechanical properties, heat treatment processes, applications, and more to give you a comprehensive understanding of 34CrNiMo6/1.6582.

Acier spécial 34CrNiMo6/1.6582

Chemical Composition of Special Steel 34CrNiMo6/1.6582

The chemical composition of 34CrNiMo6/1.6582 plays a critical role in its performance. Each element contributes to the steel’s overall properties, and the precise balance ensures optimal performance for specific applications.

ElémentsComposition (%)
Carbone (C)0.30 – 0.38
Silicium (Si)0.10 – 0.40
Manganèse (Mn)0.50 – 0.80
Phosphore (P)≤ 0.025
Soufre (S)≤ 0.035
Chrome (Cr)1.30 – 1.70
Nickel (Ni)1.30 – 1.70
Molybdène (Mo)0.15 – 0.30

Each element in the alloy serves a specific purpose. For example, chromium enhances wear resistance and hardenability, while nickel improves toughness. Molybdenum increases strength and hardenability, making 34CrNiMo6/1.6582 a well-rounded material for various applications.

Propriétés mécaniques des Acier spécial 34CrNiMo6/1.6582

The mechanical properties of 34CrNiMo6/1.6582 are influenced by its chemical composition and heat treatment. These properties make it suitable for high-stress environments where durability is critical.

Résistance à la traction850 - 1100 MPa
Limite d'élasticité≥ 700 MPa
Élongation≥ 13 %
Impact Energy (Charpy V-notch)≥ 40 J à -20 °C
Hardness (Hardened and Tempered)248 – 302 HB

These properties highlight the steel’s ability to withstand high stress and strain, making it a reliable choice for components that experience heavy loads and impacts.

Heat Treatment of Special Steel 34CrNiMo6/1.6582

Heat treatment is essential to achieve the desired mechanical properties in 34CrNiMo6/1.6582. The process involves several steps, including annealing, hardening, and tempering, each contributing to the final characteristics of the steel.

Processus de traitement thermiquePlage de température (°C)Objectif
Recuit650 – 700To soften the material and relieve stresses
Durcissement830 – 860To increase hardness and strength
Trempe540 – 680To achieve the desired balance of hardness and toughness

Proper heat treatment ensures that 34CrNiMo6/1.6582 can achieve the optimal combination of hardness and toughness for its intended application.

Applications of Special Steel 34CrNiMo6/1.6582

34CrNiMo6/1.6582 is used in a wide range of applications due to its robust mechanical properties. Let’s explore some of the common uses of this versatile steel.

Composants automobilesUsed in gears, shafts, and crankshafts due to its high strength and toughness
Aerospace StructuresUtilized in landing gear and structural components for its fatigue resistance
Machinerie lourdeEmployed in machine parts subjected to high stress and impact
Tooling and Die ManufacturingPreferred for molds and dies requiring wear resistance and durability
Industrie du pétrole et du gazApplied in drill bits and other tools exposed to harsh conditions

The steel’s ability to withstand extreme conditions and high loads makes it an excellent choice for critical applications across various industries.

Suppliers and Pricing Details of Special Steel 34CrNiMo6/1.6582

The availability and cost of 34CrNiMo6/1.6582 can vary depending on the supplier, region, and market conditions. Here is a general overview of suppliers and pricing details.

fournisseurRégionPrice Range (USD per kg)
ThyssenKruppMondial2.50 – 4.00
Bohler-UddeholmL'Europe2.70 – 4.20
Carpenter TechnologyAmérique du Nord2.80 – 4.50
Nippon Steel & SumitomoAsie2.60 – 4.10
Daido SteelJapon2.75 – 4.25

Prices can fluctuate based on factors such as order volume, material specifications, and delivery terms. It’s always a good idea to request quotes from multiple suppliers to get the best deal.

Comparing Advantages and Disadvantages of Acier spécial 34CrNiMo6/1.6582

When choosing a material for your project, it’s essential to weigh the pros and cons. Here’s a comparison of the advantages and disadvantages of 34CrNiMo6/1.6582.

Résistance et ténacité élevéesHigher cost compared to some other steels
Excellent hardenabilityNécessite un traitement thermique précis
Good wear resistanceDisponibilité limitée dans certaines régions
High fatigue strengthPotential for brittleness if not properly tempered
Resistance to shock and impactComplex manufacturing processes

Understanding these factors can help you make an informed decision about whether 34CrNiMo6/1.6582 is the right material for your specific needs.

Acier spécial 34CrNiMo6/1.6582


What is 34CrNiMo6/1.6582 used for?

34CrNiMo6/1.6582 is used in applications that require high strength, toughness, and wear resistance. Common uses include automotive components, aerospace structures, heavy machinery, tooling, and oil and gas industry tools.

What are the main elements in 34CrNiMo6/1.6582?

The primary elements in 34CrNiMo6/1.6582 are carbon, silicon, manganese, chromium, nickel, and molybdenum. These elements enhance the steel’s mechanical properties.

How is 34CrNiMo6/1.6582 heat treated?

34CrNiMo6/1.6582 undergoes heat treatment processes such as annealing, hardening, and tempering to achieve the desired mechanical properties. Annealing softens the material, hardening increases its strength, and tempering balances hardness and toughness.

Where can I buy 34CrNiMo6/1.6582?

34CrNiMo6/1.6582 can be purchased from various suppliers worldwide, including ThyssenKrupp, Bohler-Uddeholm, Carpenter Technology, Nippon Steel & Sumitomo, and Daido Steel. Prices vary depending on the supplier and market conditions.

What are the mechanical properties of 34CrNiMo6/1.6582?

The mechanical properties of 34CrNiMo6/1.6582 include a tensile strength of 850-1100 MPa, a yield strength of ≥700 MPa, an elongation of ≥13%, an impact energy (Charpy V-notch) of ≥40 J at -20°C, and a hardness of 248-302 HB when hardened and tempered.

What are the advantages of using 34CrNiMo6/1.6582?

The advantages of 34CrNiMo6/1.6582 include its high strength and toughness, excellent hardenability, good wear resistance, high fatigue strength, and resistance to shock and impact

. These properties make it suitable for demanding applications.

Are there any disadvantages to using 34CrNiMo6/1.6582?

The disadvantages of 34CrNiMo6/1.6582 include its higher cost compared to some other steels, the need for precise heat treatment, limited availability in some regions, potential for brittleness if not properly tempered, and complex manufacturing processes.

By understanding these key aspects of 34CrNiMo6/1.6582, you can make informed decisions about its use in your projects and ensure optimal performance in your applications.


Special steel 34CrNiMo6/1.6582 is a remarkable material that offers a unique combination of strength, toughness, and wear resistance. Its versatility makes it a popular choice across various industries, from automotive to aerospace to heavy machinery. By understanding its chemical composition, mechanical properties, heat treatment processes, and applications, you can harness the full potential of this alloy steel. Whether you’re designing high-stress components or manufacturing tools that withstand harsh conditions, 34CrNiMo6/1.6582 is a reliable and robust option that delivers outstanding performance.

By providing comprehensive information in an engaging and easy-to-understand format, we hope this guide helps you make informed decisions about using 34CrNiMo6/1.6582 in your projects. Remember, the key to success with any material is understanding its properties and leveraging them to meet your specific needs. So, go ahead and explore the possibilities with 34CrNiMo6/1.6582 – the steel that combines strength and resilience like no other!

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