Stellite 6 vs 13Cr – What’s the Difference?

When it comes to choosing the right material, it is crucial to have an in-depth understanding of the properties that each material has to offer. In this blog post, we will be discussing the differences between Stellite 6 and 13Cr. Both materials are widely used in various applications due to their unique properties and features. Let’s take a closer look.

Difference between Stellite 6 vs 13Cr

Chemical Composition

Stellite 6 is a cobalt-chromium-tungsten alloy, which consists of 4% tungsten. It is known for its high wear and corrosion resistance, making it a popular choice in various industries, such as aerospace, defence, and medical devices. On the other hand, 13Cr is a low-carbon martensitic stainless steel that comprises 13% chromium, which gives it excellent corrosion resistance and withstanding high temperatures.

Mechanical Properties

Stellite 6 is a tough material with high tensile and yield strength, making it ideal for high-stress applications. Its hardness is typically around 38 HRC. This material has excellent resistance to corrosion, wear and is oxidation-resistant, making it ideal for cutting tools, valves, and pump components. In contrast, 13Cr has a hardness of approximately 30HRC and offers good strength and toughness, making it commonly used in oil and gas applications.


Stellite 6 can be difficult to machine due to its high hardness and high work hardening rate. So, it requires high-speed machining processes or is processed in a pre-heat-treated state. On the other hand, 13Cr is easier to machine due to its low carbon content, making it feasible for various manufacturing processes.


The weldability of Stellite 6 is limited. It is a non-ferrous material and needs special welding techniques and expertise to weld it effectively. 13Cr has good weldability and is often used in applications that require welding.

Cost and Availability

Stellite 6 is generally more expensive than 13Cr due to its rare components, which adds to the overall cost of production. In comparison, 13Cr is more affordable and readily available. For More information visit marketsmartb2b


It is essential to clearly understand the properties, availability, and cost when choosing between Stellite 6 and 13Cr. When deciding, consider the application you need the material for, the mechanical characteristics required and the budget. We hope this blog post has provided you with a comprehensive understanding of these two materials’ differences.

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