Pneumatic articles that include a moveable component with a coated surface are described. The coated surface can include a surface coating including an alloy layer that includes molybdenum or tungsten in combination with one or more other materials. Pneumatic cylinders and pneumatic devices are also described.

Hydraulic devices that include a moveable component configured to contact a functional fluid during movement of the hydraulic device are described. The hydraulic device can include a coating on a surface. The coating can include a metal or metal alloy such as, for example, a molybdenum or tungsten in combination with one or more other materials.

Metal work rolls that contact a functional fluid during movement of a rotatable body are described. The rotatable body can include a coated surface with a surface coating. The surface coating can include a metal or metal alloy such as, for example, a molybdenum alloy or a nickel alloy or a tungsten alloy. Systems and processes using the coated work rolls are also described.