1. Кіріспе
1.6582/34CrNiMo6 is a robust легірленген болат known for its exceptional mechanical properties and versatility across demanding industries.
This steel grade is designed to meet the rigorous demands of sectors where high performance, төзімділік, and reliability are crucial.
With its combination of хромий (Кр), никель (-Да), жіне молибден (Әзірлеу), 1.6582/34CrNiMo6 excels in Шаршауға төзімділік, impact strength, жіне Коррозияға төзімділік.
As industries continue to push for materials that offer both performance and longevity, легірленген болаттар like 1.6582/34CrNiMo6 are gaining increasing importance.
-Ден аэроғарыш жіне automotive manufacturing қарай энергия жіне машиналар, this material is integral in producing critical components that operate under stress.
Бұл блогта, we will explore the essential жылжымалы, қолданбалар, and benefits of 1.6582/34CrNiMo6,
offering a comprehensive overview of why this alloy is preferred in various high-performance applications.
2. What is 1.6582/34CrNiMo6 Alloy Steel?
1.6582/34CrNiMo6 is a medium-carbon, легірленген болат commonly used for manufacturing high-strength components that demand both toughness and wear resistance.
The steel is primarily composed of көміртегі (Б), хромий (Кр), никель (-Да), жіне молибден (Әзірлеу), each contributing to distinct qualities such as Беріктік, resilience, жіне Коррозияға төзімділік.

Химиялық құрамы:
- Көміртегі (Б): 0.36% - 0.44%
Carbon is a fundamental element in determining the hardness and strength of steel.
In 1.6582/34CrNiMo6, the carbon content is moderate, which provides a balance between күш жіне икемділік,
making the alloy suitable for components that need to withstand high loads without becoming brittle. - Хромий (Кр): 0.9% - 1.2%
Chromium is a crucial element in enhancing Коррозияға төзімділік жіне қаттылық.
It promotes the formation of a Қорғаныс оксиді қабаты бетіне, which prevents corrosion in environments that may otherwise degrade the material.
Chromium also improves Беріктік, allowing the steel to harden more effectively during heat treatment. - Никель (-Да): 1.3% - 1.8%
Nickel is responsible for enhancing the қаттылық жіне low-temperature performance of 1.6582/34CrNiMo6.
It also increases күш, making the steel more resistant to fracture under impact.
Қосымша, nickel contributes to improved Тұрақты төзімділік жіне high-temperature stability. -
Молибден (Әзірлеу): 0.2% - 0.3%
Molybdenum plays a critical role in improving the high-temperature strength жіне Тұрақты төзімділік қорытпаның.
It also enhances the steel’s Коррозияға төзімділік, әсіресе қатал ортада.
Molybdenum is also known for refining the steel’s grain structure, which contributes to overall strength and toughness. - Марганец (М.на): 0.5% - 0.8%
Manganese aids in deoxidizing the steel during production and helps improve қаттылық жіне күш.
It also contributes to improving the қаттылық of the alloy and enhances its ability to resist impact және кию. - Кремний (Жіне): 0.2% - 0.35%
Silicon is primarily used as a deoxidizer in the production process and contributes to improving the күш болат.
It also aids in қаттылық, making the steel more resistant to wear and surface degradation. -
Фосфор (Б): ≤ 0.035%
Фосфор, in low quantities, can increase күш жіне қаттылық. Дегенмен, excessive amounts can lead to embrittlement жіне reduced toughness.
For 1.6582/34CrNiMo6, the phosphorus content is carefully controlled to maintain a balance between strength and ductility. - Күкірт (С): ≤ 0.035%
Like phosphorus, sulfur can improve Айналымдылық, but excessive sulfur content can negatively impact the қаттылық жіне икемділік болат.
For high-quality steel, the sulfur content is minimized to ensure optimal mechanical properties. - Басқа элементтер:
-
- Ванади (V) жіне Boron (Б) are sometimes added in trace amounts to further refine the grain structure and improve hardening.
- Мыс (Друг) may also be present in small quantities, Жақсарту Коррозияға төзімділік жіне күш.
Summary of Chemical Composition:
Элемент |
Composition Range |
|---|---|
| Көміртегі (Б) | 0.36% - 0.44% |
| Хромий (Кр) | 0.9% - 1.2% |
| Никель (-Да) | 1.3% - 1.8% |
| Молибден (Әзірлеу) | 0.2% - 0.3% |
| Марганец (М.на) | 0.5% - 0.8% |
Кремний (Жіне) |
0.2% - 0.35% |
| Фосфор (Б) | ≤ 0.035% |
| Күкірт (С) | ≤ 0.035% |
| Others | Trace amounts of Ванади, Boron, Мыс, т.б. |
Understanding the Nomenclature:
The code “1.6582” is a DIN classification that indicates the steel’s material type, while “34CrNiMo6” refers to its key alloying elements: хромий, никель, жіне молибден.
This nomenclature helps identify the alloy’s intended use and composition.
3. Physical Properties of 1.6582/34CrNiMo6 Alloy Steel
The physical properties of 1.6582/34CrNiMo6 alloy steel are critical in determining its suitability for demanding engineering applications.
These properties are largely influenced by the alloying elements, сияқты хром, никель, және молибден, which are specifically chosen to optimize performance in various conditions.
Below are the key physical properties of this steel:
Тығыздық
- Тығыздық: Шамамен 7.85 g / cm³
The density of 1.6582/34CrNiMo6 is typical for carbon and low-alloy steels.
The relatively high density contributes to the material’s ability to withstand high loads and stresses without significant deformation,
which is essential for parts used in heavy machinery or high-performance automotive applications.
Балқу нүктесі
- Балқу нүктесі:1425 - 1510 ° C (2597 – 2750°F)
The melting point of 1.6582/34CrNiMo6 is relatively high, which ensures that it can withstand high temperatures during manufacturing processes, such as forging and heat treatment.
This makes the steel suitable for components subjected to elevated operational temperatures, like turbine blades and crankshafts.
Жылу кеңеюі
- Жылу кеңеюінің коэффициенті:11.8 × 10⁻⁶ / ° C (6.56 × 10⁻⁶/°F)
The coefficient of thermal expansion indicates how much the material expands with increasing temperature.
1.6582/34CrNiMo6 has a moderate coefficient, which helps maintain dimensional stability during heating and cooling cycles in high-temperature applications.
This property is important for parts that must fit precisely under varying thermal conditions.
Жылу өткізгіштік
- Жылу өткізгіштік: Шамамен 45 М / м /
The thermal conductivity of 1.6582/34CrNiMo6 is moderate, which means it has a moderate ability to transfer heat.
This property is beneficial for components used in power generation and automotive engines, where heat dissipation is essential but excessive conductivity could lead to heat-related failures.
Электр өткізгіштік
- Электр өткізгіштік: Relatively low compared to non-alloy steels
Like most steels, 1.6582/34CrNiMo6 is a poor conductor of electricity.
This low electrical conductivity is generally advantageous in applications where insulation or low conductivity is needed,
such as in structural components that don’t interact with electrical systems.
Нақты жылу сыйымдылығы
- Нақты жылу сыйымдылығы: Шамамен 0.46 J/g·°C
The specific heat capacity of 1.6582/34CrNiMo6 is typical for alloy steels, indicating how much heat is required to raise the temperature of a given mass of material.
This property is important in applications where thermal cycles are involved, such as in engine components or power transmission parts,
as it determines how much heat the material can absorb and store before changing temperature.
Summary of Physical Properties
| Мүлік | Бағалау |
|---|---|
| Тығыздық | 7.85 g / cm³ |
| Балқу нүктесі | 1425 - 1510 ° C (2597 – 2750°F) |
| Жылу кеңеюі | 11.8 × 10⁻⁶ / ° C (6.56 × 10⁻⁶/°F) |
| Жылу өткізгіштік | 45 М / м / |
| Электр өткізгіштік | Аласа |
| Нақты жылу сыйымдылығы | 0.46 J/g·°C |
4. Mechanical Properties of 1.6582/34CrNiMo6 Alloy Steel
Та Механикалық қасиеттері of 1.6582/34CrNiMo6 alloy steel are a critical aspect of its performance in demanding applications.
This steel is known for its excellent күш, қаттылық, жіне Шаршауға төзімділік, which makes it ideal for components that undergo high levels of stress, impact, және кию.
The following is a breakdown of the alloy’s key mechanical properties:
Созылу күші
- Созылу күші (&): 800–1000 MPa
The tensile strength of 1.6582/34CrNiMo6 is a measure of the maximum stress the steel can withstand before breaking.
With a tensile strength range of 800 қарай 1000 МПа, this alloy is highly capable of enduring significant mechanical stress without failure,
making it ideal for high-load-bearing applications such as берікек, біліктер, жіне ик-жағалаулар.
Бергі күш
- Бергі күш (0.2% Proof Stress): 550–750 MPa
Yield strength is the stress at which a material begins to deform plastically.
1.6582/34CrNiMo6 has an excellent yield strength range of 550 қарай 750 МПа, which allows it to maintain its shape under applied loads and ensures minimal plastic deformation,
making it suitable for high-stress applications сияқты Автомобиль компоненттері жіне Ауыр машиналар.
Қаттылық
- Қаттылық (Rockwell C): 28–34 HRC
The hardness of 1.6582/34CrNiMo6 is typically measured using the Rockwell C scale (Ткект).
After quenching and tempering, it falls within the range of 28–34 HRC, offering excellent тозуға төзімділік жіне Бұзадан қарсылық.
This hardness makes it ideal for parts that require a strong, durable surface, сияқты берікек, bearing components, жіне беріліс бөлшектері.
Әсер ету қаттылық
- Әсер ету қаттылық (Randy v-notch): ≥ 30 Ж (Бөлме температурасында)
Impact toughness refers to the material’s ability to absorb energy during dynamic loading немесе shock.
1.6582/34CrNiMo6 exhibits excellent impact toughness, making it suitable for applications
where the material is exposed to sudden forces or vibrations, сияқты automotive crankshafts жіне turbine shafts.
The material’s ability to withstand shock loads without fracturing is crucial in heavy-duty machinery.
Fatigue Strength
- Fatigue Strength: ≥ 300 МПа (at 10⁶ cycles)
Fatigue strength is an important property for components subjected to cyclic loads.
1.6582/34CrNiMo6 provides excellent Шаршауға төзімділік, ensuring that parts such as берікек жіне біліктер can withstand repeated loading cycles without cracking or failing.
This is vital in applications where components experience continuous or fluctuating stress over time, сияқты Автомобиль жүйелері жіне aerospace parts.
Іуу
- Іуу (-да 50 mm gauge length): ≥ 15%
Elongation is a measure of a material’s ability to stretch before breaking, and it indicates икемділік.
Созылуымен 15%, 1.6582/34CrNiMo6 demonstrates good икемділік, meaning it can deform under stress without cracking.
This property is beneficial for parts that need to absorb stress and still maintain their integrity under high-impact conditions.
Серпімділік модулі
- Серпімділік модулі (Young’s Modulus): 210 Gpa
The modulus of elasticity measures the material’s stiffness and its ability to return to its original shape after deformation.
1.6582/34CrNiMo6 has a relatively high modulus of elasticity, which means it resists deformation when subjected to applied loads.
This stiffness makes it suitable for structural components that need to maintain shape and performance under heavy loading.
Poisson’s Ratio
- Poisson’s Ratio: 0.29
Poisson’s ratio describes the material’s response to deformation in one direction when stretched in another.
With a Poisson’s ratio of 0.29, 1.6582/34CrNiMo6 strikes a balance between күш жіне икемділік,
making it ideal for use in high-load components that must resist distortion under stress.
Summary of Mechanical Properties
| Мүлік | Бағалау |
|---|---|
| Созылу күші (&) | 800–1000 MPa |
| Бергі күш (0.2% Proof Stress) | 550–750 MPa |
| Қаттылық (Rockwell C) | 28–34 HRC |
| Әсер ету қаттылық (Charpy) | ≥ 30 Ж (Бөлме температурасында) |
| Fatigue Strength | ≥ 300 МПа (at 10⁶ cycles) |
| Іуу (-да 50 мм) | ≥ 15% |
| Серпімділік модулі | 210 Gpa |
| Poisson’s Ratio | 0.29 |
5. Other properties of 6582/34CrNiMo6 alloy steel
Thermal Properties:
- Жылуға төзімділік: 1.6582/34CrNiMo6 maintains its mechanical properties even at elevated temperatures,
making it suitable for high-temperature applications such as Автомобиль жүйелері жіне Турбина пышақтары. - Коррозияға төзімділік: While it is not as resistant as stainless steel, the alloy demonstrates Сәттілікке төзімділікті жақсартыңыз
when exposed to mild corrosive environments due to the presence of хромий жіне молибден.
Weldability and Machinability:
- Дәнекерлеушілік: The alloy has Жақсы дәнекерлеуші, although proper preheating and heat treatment after welding is necessary to avoid potential cracks.
- Айналымдылық: Although highly durable, 1.6582/34CrNiMo6 requires specialized machining tools to ensure precise results.
The strength and hardness of the alloy make it more challenging to machine than lower-grade steels.
6. Heat Treatment of 1.6582/34CrNiMo6
Heat treatment plays a crucial role in achieving the desired mechanical properties in 1.6582/34CrNiMo6.
The common treatments include сөндіру жіне Тымбитора, which enhance its күш, қаттылық, жіне қаттылық.
Тұндыру және температура:
- Сөндіру involves heating the steel to a high temperature (әдетте арасында 850°C and 900°C) and then rapidly cooling it in water or oil.
This process hardens the steel but makes it brittle. - Тымбитора is performed after quenching to reduce brittleness and increase қаттылық.
Tempering is typically done at temperatures between 500°C and 650°C, depending on the desired balance of hardness and toughness.
Тұндыру және температура
Benefits of Heat Treatment:
Heat treatment enhances 1.6582/34CrNiMo6’s тозуға төзімділік жіне Шаршауға төзімділік while maintaining икемділік.
Proper tempering ensures that the material remains durable under high-stress conditions without becoming too brittle.
7. Applications of 1.6582/34CrNiMo6 Alloy Steel
Due to its outstanding combination of mechanical properties, 1.6582/34CrNiMo6 is utilized across various demanding sectors where strength, қаттылық, and durability are non-negotiable.
- Power Transmission Gears: Ideal for use in берікек subjected to high torque and impact.
- Power Transmission Shafts: Frequently used in біліктер -ге автомобиль жіне Өнеркәсіптік қосымшалар where high Шаршауға төзімділік is needed.

Transmission Shafts - Connecting Rods: Utilized in internal combustion engines -ге connecting rods, where strength and wear resistance are crucial.
- Engineering Components: Commonly used in turbine shafts and other high-stress, high-temperature components.
- Heavy Machinery Shafts and Bolts: Serves as an essential material for Ауыр машиналар жіне бекіткіштер due to its durability under extreme operating conditions.
8. Advantages of 1.6582/34CrNiMo6 Alloy Steel
- Жоғары беріктігі және беріктігі: Қорытпа созылу күші жіне әсер ету қаттылық ensure that it performs well in the harshest conditions.
- Improved Wear Resistance: 1.6582/34CrNiMo6 stands out for its resistance to surface wear and абзу, Бұл үшін өте ыңғайлы high-wear components like gears and shafts.
- Ә маяғы: This alloy is adaptable for a wide range of industries, ... қоса алғанда автомобиль, аэроғарыш, жіне energy production, proving its versatility.
- Longevity: The ability to withstand high-stress environments ensures that components made from this alloy last longer, offering Шығындар тиімділігі over time.
9. Comparison with Similar Alloys
When selecting materials for high-performance applications, it is important to consider how 1.6582/34CrNiMo6 alloy steel stacks up against other similar alloys.
Several легірленген болаттар have properties that overlap with 1.6582/34CrNiMo6,
but subtle differences in composition and heat treatment requirements can make one alloy more suited for specific applications than others.
Let’s compare 1.6582/34CrNiMo6 бірге 4340 легірленген болат, 18CrNiMo7-6, жіне 4140 легірленген болат — all of which are commonly used in engineering, аэроғарыш, және автомобиль қосымшалары.
4340 Alloy Steel vs 1.6582/34CrNiMo6
Chemical Composition Comparison:
- 4340 Легірленген болат: Composed of 0.38-0.43% Көміртегі, 0.70-0.90% Марганец, 0.90-1.30% Никель, 0.20-0.30% Молибден, жіне 0.15-0.25% Хромий.
- 1.6582/34CrNiMo6: Contains 0.36-0.44% Көміртегі, 0.50-0.80% Марганец, 1.3-1.8% Никель, 0.2-0.3% Молибден, жіне 0.9-1.2% Хромий.
Механикалық қасиеттері:
- 4340 Легірленген болат: Known for Жоғары созылу күші (айналасында 930-1080 МПа) жіне good fatigue strength. Дегенмен, it has slightly lower fatigue resistance compared to 1.6582/34CrNiMo6.
- 1.6582/34CrNiMo6: Offers comparable созылу күші (800-1000 МПа) but superior Шаршауға төзімділік due to its higher nickel content жіне хромий.
It excels in әсер ету қаттылық under dynamic loading, making it more suitable for applications that experience constant stress cycles.
18CrNiMo7-6 vs 1.6582/34CrNiMo6
Chemical Composition Comparison:
- 18CrNiMo7-6: Contains 0.17-0.22% Көміртегі, 0.30-0.50% Марганец, 1.50-2.00% Никель, 0.90-1.20% Хромий, жіне 0.20-0.30% Молибден.
- 1.6582/34CrNiMo6: Contains 0.36-0.44% Көміртегі, 0.50-0.80% Марганец, 1.3-1.8% Никель, 0.2-0.3% Молибден, жіне 0.9-1.2% Хромий.
Механикалық қасиеттері:
- 18CrNiMo7-6: Known for high core strength жіне әсер ету қаттылық, this alloy has an excellent balance of күш жіне икемділік, Бұл үшін өте ыңғайлы cold-working parts сияқты берікек жіне біліктер.
Та lower carbon content enhances its дәнекерлеушілік but lowers its қаттылық compared to 1.6582/34CrNiMo6. - 1.6582/34CrNiMo6: Offers superior тозуға төзімділік жіне Шаршау күші, particularly under high-impact loads.
Its slightly higher carbon content contributes to greater hardness, though it might compromise дәнекерлеушілік if not properly treated.
4140 Alloy Steel vs 1.6582/34CrNiMo6
Chemical Composition Comparison:
- 4140 Легірленген болат: Contains 0.38-0.43% Көміртегі, 0.75-1.00% Марганец, 0.80-1.10% Хромий, жіне 0.15-0.25% Молибден.
- 1.6582/34CrNiMo6: Similar in composition with a slightly higher никель мазмұны (1.3–1.8%) жіне марганец (0.50–0.80%).
Механикалық қасиеттері:
- 4140 Легірленген болат: Exhibits good tensile strength (айналасында 660-950 МПа) and is often used in applications requiring moderate strength жіне қаттылық.
It is a well-rounded alloy known for its ә маяғы -да өңдеу жіне дәнекерлеушілік. - 1.6582/34CrNiMo6: While it shares some properties with 4140, it has better wear resistance, higher tensile strength, жіне superior fatigue strength.
These advantages make it the better choice for parts exposed to dynamic loads, сияқты high-performance gears жіне біліктер.
Summary of Key Comparisons
| Мүлік | 1.6582/34CrNiMo6 | 4340 Легірленген болат | 18CrNiMo7-6 | 4140 Легірленген болат |
|---|---|---|---|---|
| Көміртекті | 0.36% - 0.44% | 0.38% - 0.43% | 0.17% - 0.22% | 0.38% - 0.43% |
| Nickel Content | 1.3% - 1.8% | 0.90% - 1.30% | 1.50% - 2.00% | 0.80% - 1.10% |
| Chromium Content | 0.9% - 1.2% | 0.90% - 1.30% | 0.90% - 1.20% | 0.80% - 1.10% |
| Molybdenum Content | 0.2% - 0.3% | 0.20% - 0.30% | 0.20% - 0.30% | 0.15% - 0.25% |
| Созылу күші | 800–1000 MPa | 930–1080 MPa | Жоғары беріктігі, good toughness | 660-950 mPA |
| Fatigue Strength | Ең жақсы | Байсалды | Жоғары беріктігі, good fatigue resistance | Байсалды |
| Әсер ету қаттылық | Үздік | Жақсы | Жақсы | Байсалды |
| Қолданбалар | Берікек, біліктер, Турбина пышақтары | Ик-жағалаулар, берікек, Турбина пышақтары | Берікек, біліктер | Machine parts, білік, болттар |
10. Қорытынды
1.6582/34CrNiMo6 alloy steel is a highly versatile, high-performance material suitable for demanding applications across industries.
Its superior tensile strength, Шаршауға төзімділік, and wear resistance make it ideal for components that must perform under extreme stress and harsh conditions.
Whether you are looking to create gears, біліктер, or turbo machinery components, 1.6582/34CrNiMo6 offers the reliability and long-lasting performance needed to meet industry standards.
If you’re looking for high-quality custom alloy steel products, таңдау Осы Сіздің өндірістік қажеттіліктеріңіз үшін тамаша шешім.





