Name: Monel Coil K500
Brand: United Stainless Llp
Availability: InStock
Rating: 4 (16 reviews)

Question 1

How is Monel K500 strengthened far beyond the limits of Monel 400?

Accepted Answer

The aluminum and titanium added to the alloy mixture are what makes K500 superiorly strong and hard. This enables a low temperature age hardening thermal process of a specific and controlled nature. The resulting inside structure has small precipitated particles that effectively block the movement and render the material very tough.

Question 2

What is the primary difference in corrosion risk between Monel K500 and Monel 400?

Accepted Answer

Although the resistance is generally similar, K500 has a high strength condition, which predisposes it to a particular failure referred to as stress corrosion cracking (SCC). The risk happens only in cases where the coil is at the same time under high tensile stress and is subject to some corrosive environment. Monel 400 is not prone to this SCC risk.

Question 3

Why is Monel K500 used for critical oil and gas downhole tools, such as drill collars and valve stems?

Accepted Answer

Monel K500 is another favorite here since it is not magnetic even at very low temperature, thus it does not cause a problem with sensitive instrumentation. This special quality is added to its very high strength and demonstrated compatibility with highly corrosive sour gas environments.