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According to industry experts, 18CrNiMo7-617CrNiMo61.6587 Alloy Steel stands out for its exceptional combination of strength, fatigue resistance, and machinability. Its precise composition and stringent manufacturing processes ensure consistent performance and reliability, making it a preferred choice for critical components in aerospace, automotive, and machinery industries worldwide.

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Table of Contents

Unveiling the Marvels of 18CrNiMo7-617CrNiMo61.6587 Alloy Steel: A Comprehensive Exploration

Introduction

In the vast landscape of metallurgy, certain alloys stand out as shining examples of innovation and engineering excellence. One such marvel is 18CrNiMo7-617CrNiMo61.6587 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 18CrNiMo7-617CrNiMo61.6587 Alloy Steel

18CrNiMo7-617CrNiMo61.6587 Alloy Steel belongs to the family of chromium-nickel-molybdenum steels, characterized by their high strength, toughness, and wear resistance. Let’s dive into the key details of this alloy:

Chemical Composition

ElementPercentage
Carbon (C)0.15-0.21%
Silicon (Si)0.40% max
Manganese (Mn)0.60-0.90%
Phosphorus (P)≤ 0.035%
Sulfur (S)≤ 0.035%
Chromium (Cr)1.50-1.80%
Nickel (Ni)1.40-1.70%
Molybdenum (Mo)0.25-0.35%

Mechanical Properties

  • Tensile Strength: 900-1100 MPa
  • Yield Strength: 750-900 MPa
  • Elongation: ≥ 14%
  • Impact Toughness (Charpy V-notch): ≥ 27 J

Standards

  • EN 10083-3: Technical delivery conditions for alloy steels
  • DIN 17200: Heat-treatable steels – Technical delivery conditions for steels for quenching and tempering

Exploring the Features and Advantages

18CrNiMo7-617CrNiMo61.6587 Alloy Steel boasts a plethora of features and advantages that make it a preferred choice in various applications:

Features

  • High strength with moderate ductility and toughness
  • Excellent fatigue and fracture resistance
  • Very good machinability and polishability
  • Good weldability and formability
  • High thermal and electrical conductivity
  • Available in a range of powder sizes and shapes

Advantages

  • Ideal for aerospace components and high-performance applications
  • Offers strength combined with fabrication capabilities
  • Retains formability and weldability
  • Imparts substantial strengthening through precipitation hardening
  • Ensures an optimal combination of properties for critical components

Comparison Between 18CrNiMo7-617CrNiMo61.6587 Alloy Steel and Competing Alloys

Let’s compare the advantages and disadvantages of 18CrNiMo7-617CrNiMo61.6587 Alloy Steel with a competing alloy, Alloy X (e.g., Inconel 718):

Parameter18CrNiMo7-617CrNiMo61.6587 Alloy SteelAlloy X (Inconel 718)
Alloy TypeChromium-nickel-molybdenum steelNickel-based superalloy
Chromium (Cr) Content1.50-1.80%15-20%
Nickel (Ni) Content1.40-1.70%50-55%
Molybdenum (Mo) Content0.25-0.35%2-3%
StrengthHighVery high
ToughnessExcellentModerate
MachinabilityVery goodPoor
WeldabilityGoodPoor
Corrosion ResistanceModerateExcellent
CostModerateHigher

Applications and Uses

From aerospace to automotive, 18CrNiMo7-617CrNiMo61.6587 Alloy Steel finds widespread application across diverse industries:

IndustryApplications
AerospaceStructural components, landing gear, engine parts
AutomotiveGear shafts, crankshafts, steering components
MachineryHydraulic components, tooling, machine parts

Navigating Suppliers and Pricing

Sourcing 18CrNiMo7-617CrNiMo61.6587 Alloy Steel requires careful consideration of reliable suppliers offering quality products at competitive prices:

SupplierPrice Range (per unit)Description/Notes
Sandvik Osprey$10 – $20Renowned for high-quality alloy steel powders suitable for aerospace and automotive applications.
Valimet Inc.$12 – $25Specializes in providing customized alloy steel powders with exceptional consistency and performance.
TLS Technik$15 – $30Offers a wide range of alloy steel powders tailored to meet the stringent requirements of various industries.

FAQs about 18CrNiMo7-617CrNiMo61.6587 Alloy Steel

Q: How is 18CrNiMo7-617CrNiMo61.6587 Alloy Steel produced?
A: This alloy steel is typically produced through processes such as gas atomization, water atomization, mechanical alloying, and electrolysis, ensuring precise control over particle characteristics.

Q: What are the main advantages of using 18CrNiMo7-617CrNiMo61.6587 Alloy Steel?
A: 18CrNiMo7-617CrNiMo61.6587 Alloy Steel offers high strength, excellent fatigue resistance, good machinability, and weldability, making it ideal for demanding applications.

Q: What are the common applications of 18CrNiMo7-617CrNiMo61.6587 Alloy Steel?
A: This alloy steel finds applications in aerospace components, automotive parts, machinery components, and various high-performance applications requiring strength and fabrication capabilities.

Q: Where can I buy 18CrNiMo7-617CrNiMo61.6587 Alloy Steel?
A: You can source 18CrNiMo7-617CrNiMo61.6587 Alloy Steel from reputable suppliers such as Sandvik Osprey, Valimet Inc., and TLS Technik, among others.

Q: What specifications does 18CrNiMo7-617CrNiMo61.6587 Alloy Steel conform to?
A: This alloy steel conforms to standards such as EN 10083-3, DIN 17200, and other industry-specific specifications, ensuring compliance with stringent quality requirements.

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