Inconel 750 Nickel-Chromium Alloy Steel

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According to industry experts, 30CrNiMo8/1.6580 Alloy Steel is highly regarded for its exceptional combination of strength, toughness, and versatility. Its reliability and performance make it a preferred choice for critical components in demanding applications. With proper heat treatment and machining, 30CrNiMo8/1.6580 Alloy Steel ensures longevity and efficiency in various industrial settings.


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Unveiling the Marvels of 30CrNiMo8/1.6580 Alloy Steel: A Comprehensive Exploration


In the vast landscape of metallurgy, certain alloys stand out as shining examples of innovation and engineering excellence. One such marvel is 30CrNiMo8/1.6580 Alloy Steel, renowned for its exceptional strength, toughness, and versatility. Join us as we embark on a journey to uncover the intricacies and advantages of this remarkable alloy, delving into its composition, properties, applications, suppliers, pricing, and expert insights.

Overview of 30CrNiMo8/1.6580 Alloy Steel

30CrNiMo8/1.6580 Alloy Steel is a member of the chromium-nickel-molybdenum family of steels, renowned for its high strength, toughness, and fatigue resistance.

Chemical Composition

Carbon (C)0.26-0.34%
Silicon (Si)0.40% max
Manganese (Mn)0.50-0.80%
Phosphorus (P)0.025% max
Sulfur (S)0.010% max
Chromium (Cr)1.50-1.80%
Nickel (Ni)0.30-0.50%
Molybdenum (Mo)0.15-0.30%

Mechanical Properties

  • Tensile Strength: 800-1000 MPa
  • Yield Strength: ≥ 650 MPa
  • Elongation: ≥ 14%
  • Impact Toughness (Charpy V-notch): ≥ 40 J at -20°C


  • EN 10083-3: Technical delivery conditions for alloy steels
  • ISO 683-18: Heat-treatable steels, alloy steels, and free-cutting steels

Exploring the Features and Advantages

30CrNiMo8/1.6580 Alloy Steel boasts a plethora of features and advantages that make it a preferred choice in various applications:


  • High strength combined with excellent toughness
  • Good hardenability and wear resistance
  • Improved machinability and weldability
  • Enhanced corrosion resistance
  • Uniform hardness distribution


  • Versatile applications in heavy machinery, automotive, and aerospace industries
  • Reliable performance in high-stress and high-temperature environments
  • Resistance to abrasion, fatigue, and impact loading
  • Precise machining capabilities
  • Consistent mechanical properties after heat treatment

Applications and Uses

From gears and shafts to heavy-duty components, 30CrNiMo8/1.6580 Alloy Steel finds extensive use across various industries:

  • Automotive: Gearboxes, crankshafts, camshafts
  • Aerospace: Landing gear components, aircraft engine parts
  • Machinery: Gears, shafts, heavy-duty components
  • Energy: Turbine components, power transmission systems

Navigating Suppliers and Pricing

Sourcing 30CrNiMo8/1.6580 Alloy Steel requires careful consideration of reliable suppliers offering quality products at competitive prices:

SupplierPrice Range (per kg)Description/Notes
Thyssenkrupp$3.50 – $5.00Leading global supplier of alloy steel, offering high-quality products.
Voestalpine$3.80 – $5.50Renowned manufacturer of specialty steels with a focus on innovation and reliability.
ArcelorMittal$3.20 – $4.80Global steel giant providing a wide range of alloy steel products with global distribution.

FAQs about 30CrNiMo8/1.6580 Alloy Steel

Q: How is 30CrNiMo8/1.6580 Alloy Steel produced? A: This alloy steel is typically produced through processes such as electric arc furnace melting, refining, and continuous casting, followed by hot rolling and annealing.

Q: What are the main advantages of using 30CrNiMo8/1.6580 Alloy Steel? A: 30CrNiMo8/1.6580 Alloy Steel offers high strength, excellent toughness, and good hardenability, making it suitable for heavy-duty applications.

Q: What are the common applications of 30CrNiMo8/1.6580 Alloy Steel? A: This alloy steel is commonly used in automotive gears, aerospace components, and heavy machinery parts requiring high strength and toughness.

Q: Where can I buy 30CrNiMo8/1.6580 Alloy Steel? A: You can source it from reputable suppliers such as Thyssenkrupp, Voestalpine, ArcelorMittal, and others.

Q: What specifications does 30CrNiMo8/1.6580 Alloy Steel conform to? A: This alloy steel conforms to standards such as EN 10083-3 and ISO 683-18, ensuring compliance with stringent quality requirements.

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