Stellite31 Cobalt Alloy Rod – Top Quality Cobalt Alloy Bar China Manufacturer

The Stellite31 Cobalt Alloy Rod, a premium cobalt-based alloy, offers exceptional strength, corrosion resistance, and durability. Engineered for demanding environments, this cobalt chromium alloy excels in aerospace, medical, and industrial applications. Its unique cobalt alloy composition ensures reliable performance under high temperatures and harsh conditions.

Price: Contact Us for a Custom Quote

For pricing details on Stellite31 Cobalt Alloy Rod, please reach out to our sales team. Terms like FOB or CIF can be discussed based on your requirements.

Specifications

Diameter: 3mm to 100mm
Length: Up to 3000mm (customizable)
Surface Treatment: Polished, ground, or as-rolled
Tolerance: ±0.05mm
Finish: Bright or matte

Key Features (Advantages)

Superior corrosion resistance in harsh environments
High tensile strength for structural integrity
Excellent heat resistance up to 1200°C
Biocompatible for medical implants
Versatile for precision machining

Applications of Stellite31 Cobalt Alloy Rod

This cobalt chrome round rod is ideal for:

Aerospace: Turbine blades, engine components
Medical: Orthopedic implants, dental tools
Industrial: Pump shafts, valve stems, cutting tools
Oil & Gas: Wear-resistant fittings

Chemical Composition

Element	Percentage (%)
Cobalt (Co)	Balance
Chromium (Cr)	25.0-29.0
Nickel (Ni)	9.0-11.0
Tungsten (W)	7.0-8.0
Carbon (C)	0.45-0.55
Iron (Fe)	≤3.0

Mechanical Properties

Property	Value
Tensile Strength	1100-1300 MPa
Yield Strength	800-900 MPa
Elongation	10-15%
Hardness (HRC)	38-42

Chemical Properties

Stellite31 Cobalt Alloy Rod resists acids like sulfuric and hydrochloric, and alkalis. It complies with environmental standards but may require specific disposal protocols due to cobalt content.

Things to Note (Limitations)

While robust, Stellite31 Cobalt Alloy Rod may face challenges:

Not suitable for extreme cryogenic temperatures
Potential brittleness under prolonged high-temperature exposure
Requires specialized machining tools

Corrosion Data for Stellite31 Cobalt Alloy Rod

Environment	Corrosion Rate (mm/year)
Atmospheric (Urban)	<0.01
Mild Chemical (pH 4-10)	<0.05
Seawater	0.02-0.03

Best Welding and Manufacturing Practices

Recommended welding methods for Stellite31 Cobalt Alloy Rod include:

TIG (Tungsten Inert Gas) welding
Plasma arc welding

Forming techniques: CNC machining, forging, and grinding. Use carbide tools for precision.

What Customers Say About

Frequently Asked Questions

Q: How does Stellite31 differ from other cobalt-based alloys?

A: Stellite31 offers a unique balance of nickel and tungsten for enhanced heat resistance compared to standard cobalt alloys.

Q: What industries use Stellite31 Cobalt Alloy Rod?

A: Aerospace, medical, oil & gas, and industrial manufacturing.

Q:Is it suitable for high-temperature environments?

A: Yes, up to 1200°C, but prolonged exposure may reduce ductility.

Q: What is the lead time for orders?

A: Contact our sales team for current lead times based on order size.

Q: Is Stellite31 environmentally compliant?

A: Yes, but follow local regulations for cobalt disposal.