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We are committed to integrate steel resources in china and serve the global steel market. We have 15+ years of experience in steel researching, production, managing and sales.

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41NiCrMo7-3-2 (1.6566) Steel Tubes – Ultra High Strength Nickel Alloy from FUSHUN METAL

41NiCrMo7-3-2 Steel Tube Introduction and Applications

FUSHUN METAL, an elite steel tube manufacturer in China, specializes in producing ultra-high strength 41NiCrMo7-3-2 (1.6566) alloy steel tubes. This premium nickel-chromium-molybdenum steel represents the pinnacle of alloy steel technology, delivering exceptional strength up to 1400 MPa, outstanding toughness, and superior fatigue resistance, making it the ultimate choice for the most critical aerospace, defense, and high-performance engineering applications.

41NiCrMo7-3-2 steel tubes are essential for:

  • Aerospace industry: Aircraft landing gear systems, critical structural components, and jet engine parts
  • Defense applications: Military aircraft components, armored vehicle systems, and specialized weapon platforms
  • Space technology: Rocket components, satellite structures, and spacecraft critical systems
  • Nuclear industry: Reactor components, pressure vessel parts, and containment systems
  • Ultra-high performance automotive: Formula 1 components, high-stress racing parts, and extreme performance systems
  • Advanced manufacturing: Ultra-precision machine tool components and high-speed spindle systems
  • Offshore engineering: Deep-sea equipment, subsea components, and extreme environment applications

FUSHUN METAL, as an ultra-specialized manufacturer, provides exclusive large-volume production for the most demanding and critical applications in the world.

41NiCrMo7-3-2 Chemical Composition

Element C Si Mn P S Cr Mo Ni
Min % 0.38 0.15 0.30 – – 1.50 0.30 1.65
Max % 0.45 0.40 0.70 0.025 0.025 1.80 0.50 1.95

FUSHUN METAL maintains ultra-strict quality standards with extremely low phosphorus and sulfur content (≤0.025%) for 41NiCrMo7-3-2 steel grade 1.6566 critical applications.

Ultra-Pure Composition with Premium Nickel (1.65-1.95%) Content for Maximum Strength and Toughness

Ultra-Premium Manufacturing at FUSHUN METAL

Hot Rolled Tubes

Maximum strength properties with exceptional grain structure control. Engineered for ultra-critical applications requiring the highest performance under extreme operational conditions.

Cold Rolled Tubes

Ultra-precision dimensional control with enhanced mechanical properties. Perfect for critical aerospace and defense components requiring absolute reliability and performance.

Cold Drawn Tubes

Exceptional dimensional accuracy with optimized surface integrity. Designed for ultra-precision applications and specialized high-performance systems requiring maximum reliability.

FUSHUN METAL’s advanced manufacturing technology enables precision production of the world’s most demanding ultra-high strength nickel alloy specifications.

Precision Heat Treatment for Ultimate Performance

FUSHUN METAL’s ultra-precision heat treatment facilities maximize the extraordinary properties of 41NiCrMo7-3-2 steel tubes:

Annealing

Stress relief and machinability optimization for ultra-complex processing

Normalizing

Ultra-fine grain refinement and microstructure perfection

Quenching & Tempering

Ultimate strength-toughness optimization for critical aerospace and space applications

High nickel content enables exceptional deep hardenability and ultra-high strength retention with superior toughness

Manufacturing Capabilities & Ultra-Critical Applications

Manufacturing Process Maximum Diameter Ultra-Critical Applications
Hot Rolled Tubes 860mm Aerospace structures, space technology, nuclear applications, defense systems
Hydraulic Cold Drawn Tubes 300mm Ultra-high pressure systems, landing gear, critical hydraulics, precision machinery
Three-Roll Cold Rolling 150mm Precision aerospace components, space applications, ultra-tolerance defense parts

Ultra-High Mechanical Properties (Quenched & Tempered)

Wall Thickness (T) Yield Strength (MPa) Tensile Strength (MPa) Elongation (%)
≤ 8mm 1200 1400 8
8-20mm 1200 1400 6
20-50mm 1050 1250 8
50-80mm 950 1150 6

Note: 41NiCrMo7-3-2 achieves the highest strength levels available in nickel alloy steels with exceptional toughness retention – the ultimate choice for the most critical applications.

FUSHUN METAL Ultra-Premium Manufacturing Excellence

🌟 Ultra-Premium Materials

Exclusive access to the world’s highest grade nickel alloy materials from elite steel mills, ensuring uncompromising quality for critical applications.

🔬 Ultra-Precision Heat Treatment

Advanced vacuum and controlled atmosphere systems specifically designed for ultra-high strength nickel alloys, ensuring maximum performance.

🚀 Critical Application Expertise

Specialized production capabilities for aerospace, space, and defense applications, delivering unmatched reliability for mission-critical components.

⚡ Ultra-Rapid Production

Dedicated ultra-high strength alloy production lines, enabling fast delivery for urgent aerospace, defense, and space technology projects.

💎 Ultimate Strength

41NiCrMo7-3-2 delivers the highest strength-to-weight ratio available with exceptional toughness for the most demanding applications.

🛡️ Ultra-Critical Certification

Comprehensive testing and certification for aerospace, defense, space, and nuclear applications with the highest international standards.

World’s Most Demanding Applications Specialist!

FUSHUN METAL specializes in large-volume production for aerospace, space technology, defense, and nuclear applications requiring the absolute highest performance and reliability standards.

41NiCrMo7-3-2 Ultimate Performance Features

Ultra High Strength

Up to 1400 MPa tensile strength

Exceptional Toughness

Superior impact resistance at maximum strength

Deep Hardenability

Uniform ultra-high properties in large sections

Ultimate Fatigue Life

Maximum service life under extreme cyclic loading

Extreme Environment Performance

Superior performance in extreme temperatures

Ultra-Low Inclusions

Exceptional purity for critical applications

Trust FUSHUN METAL for Ultimate Performance Excellence

Your ultra-premium manufacturer for the world’s highest strength 41NiCrMo7-3-2 (1.6566) steel tubes. Contact us for large-volume orders in aerospace, space technology, defense, and nuclear applications requiring the absolute highest performance standards.

Experienced 15+ Years

Our ability to purchase materials directly from leading mills at the best possible price will give you the competitive edge. This coupled with a skilled workforce dedicated to embracing the demands of the markets.

We Can Supply Follows Products with High Quality:

  1. Cold Rolled Steel Tube
  2. Cold Drawn Steel Tube
  3. Hollow Bar
  4. Honed Tube
  5. Plated Tube
  6. Plated Bar
  7. Boiler Tube

All Products According Quality Standard Strictly:

  1. ASTM: ASTM A519, ASTM A513.
  2. JIS:JIS G3441, JIS G3445, JIS G3466, JIS G3459.
  3. DIN: DIN1626, DIN1629, DIN2391, DIN2393, DIN2448, DIN2458.
  4. EN: EN10305.
  5. BS: BS6323.

Wide Range of Pipes to Fit Your Industry:

  1. OD from 5mm to 820mm.
  2. Wall Thickness from 0.1 to 100mm.
  3. Length up to 50mtr per pc.

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