MP159 Cobalt Alloy Tube – Premium Manufacturer in China

The MP159 Cobalt Alloy Tube is a high-performance cobalt alloy steel designed for extreme environments. Renowned for its exceptional strength, corrosion resistance, and durability, this chromium cobalt nickel alloy is ideal for demanding applications in aerospace, medical, and industrial sectors. As a leading manufacturer in China, we ensure top-tier quality and precision in every tube.

Price: Contact Us for a Custom Quote

For detailed pricing on MP159 Cobalt Alloy Tube, including bulk order discounts and shipping terms, please contact our sales team through our inquiry form. Pricing varies based on specifications, quantity, and customization requirements.

Specifications

Outer Diameter: 0.5–6 inches (12.7–152.4 mm)
Wall Thickness: 0.02–0.5 inches (0.5–12.7 mm)
Length: Up to 20 ft (6.1 m) or custom-cut
Surface Treatment: Annealed, polished, or as per request
Tolerances: ±0.005 inches for OD, ±0.002 inches for wall thickness
Standards: ASTM B983, AMS 5754

Key Features (Advantages)

High Strength: Superior tensile and yield strength for heavy-duty applications.
Corrosion Resistance: Excellent performance in harsh chemical environments.
Temperature Stability: Maintains properties at elevated temperatures up to 600°C.
Biocompatibility: Suitable for medical implants and devices.
Versatile Fabrication: Easily welded and formed for custom applications.

Applications of MP159 Cobalt Alloy Tube

The MP159 Cobalt Alloy Tube is widely used across industries due to its robust cobalt alloy properties. Key applications include:

Aerospace: Turbine blades, fasteners, and structural components.
Medical: Orthopedic implants and surgical instruments.
Oil & Gas: Downhole tubing and valve components.
Industrial: High-pressure systems and chemical processing equipment.

Chemical Composition

Element	Percentage (%)
Cobalt (Co)	35.0 - 39.0
Nickel (Ni)	24.0 - 26.0
Chromium (Cr)	18.0 - 20.0
Iron (Fe)	8.0 - 10.0
Molybdenum (Mo)	6.0 - 8.0
Titanium (Ti)	0.5 - 1.0

Mechanical Properties

Property	Value
Tensile Strength	1100 - 1400 MPa
Yield Strength	900 - 1100 MPa
Elongation	10 - 20%
Hardness	35 - 45 HRC

Chemical Properties

The MP159 Cobalt Alloy Tube exhibits excellent resistance to acids (e.g., sulfuric and hydrochloric) and alkalis, making it suitable for chemical processing. It complies with environmental regulations, with no restricted substances under RoHS.

Things to Note (Limitations)

While highly versatile, the MP159 Cobalt Alloy Tube has limitations:

High Temperatures: Prolonged exposure above 600°C may reduce strength.
Abrasive Environments: Not recommended for extreme wear without coatings.
Cost: Higher cobalt alloy price compared to standard alloys.

Corrosion Data for MP159 Cobalt Alloy Tube

Environment	Corrosion Rate (mm/year)
Atmospheric (Urban)	<0.01
Seawater	0.02 - 0.05
Mild Acidic Solutions	0.01 - 0.03

Best Welding and Manufacturing Practices

The MP159 Cobalt Alloy Tube supports multiple welding methods, including TIG, MIG, and plasma welding. Cold working and annealing enhance formability. Machining requires high-speed tools due to its hardness.

What Customers Say About

Frequently Asked Questions

Q: How does MP159 compare to Stellite?

A: While both are cobalt-based, MP159 Cobalt Alloy Tube offers higher tensile strength than Stellite, but Stellite excels in wear resistance.

Q: What industries use MP159?

A: Aerospace, medical, oil & gas, and chemical processing industries.

Q: Is it suitable for high-temperature applications?

A: Yes, up to 600°C, but prolonged exposure may affect performance.

Q: What is the difference between MP159 and Stellite?

A: MP159 offers higher tensile strength and better fatigue resistance than Stellite, making it ideal for aerospace, while Stellite is often used for wear-resistant coatings.

Q: What are the main applications?

A: Aerospace, oil and gas, medical, and marine industries rely on MP159 Cobalt Alloy Tube for its strength and corrosion resistance.