An elongated hollow component includes a body extending from a first end to a second end and defining a longitudinal axis. The body includes a plurality of layers each circumscribing the longitudinal axis. The plurality of layers includes a base layer including a first steel material, and an inner surface coating coupled to a radially inner surface of the base layer. The inner surface coating includes a second steel material.

An elongated hollow component includes a body extending from a first end to a second end and defining a longitudinal axis. The body includes a plurality of layers each circumscribing the longitudinal axis. The plurality of layers includes a base layer including a first steel material, and an inner surface coating coupled to a radially inner surface of the base layer. The inner surface coating includes a second steel material.

A steel tubular pipe, which is threaded, sleeved, or integral, includes at least one first male threaded end, an inner surface, and a metal deposition layer on the inner surface and of thickness between 0.01 mm and 0.8 mm deposited on all or part of the inner surface of the pipe.

A steel tubular pipe, which is threaded, sleeved, or integral, includes at least one first male threaded end, an inner surface, and a metal deposition layer on the inner surface and of thickness between 0.01 mm and 0.8 mm deposited on all or part of the inner surface of the pipe.

Coated cast iron pipe and a method of making the coated cast iron pipe having an inner and an outer diameter are provided. A pipe pretreatment is applied on the inner diameter and the outer diameter of the cast iron pipe. A cathodic electrocoat is applied on the pipe pretreatment on the inner diameter and the outer diameter, and an anodic electrocoat is applied on the cathodic electrocoat on the inner diameter and the outer diameter. A coated cast iron fitting wherein a cast iron fitting having an inner and outer diameter is provided. The cast iron fitting is treated with a rust inhibiting pretreatment. The pretreated fitting is electrocoated with a cathodic primer coat, the cathodic primer coat is hot cured in an oven, and the hot cured fitting is coated with an epoxy acrylic powder coat.

Coated cast iron pipe and a method of making the coated cast iron pipe having an inner and an outer diameter are provided. A pipe pretreatment is applied on the inner diameter and the outer diameter of the cast iron pipe. A cathodic electrocoat is applied on the pipe pretreatment on the inner diameter and the outer diameter, and an anodic electrocoat is applied on the cathodic electrocoat on the inner diameter and the outer diameter. A coated cast iron fitting wherein a cast iron fitting having an inner and outer diameter is provided. The cast iron fitting is treated with a rust inhibiting pretreatment. The pretreated fitting is electrocoated with a cathodic primer coat, the cathodic primer coat is hot cured in an oven, and the hot cured fitting is coated with an epoxy acrylic powder coat.

Composite tube assemblies and thin-walled tubing are disclosed. In embodiments, the composite tube assemblies include a functional tube and a sacrificial tube disposed within or around the functional tube. The sacrificial tube may be removed by exposure to a corrosive media, without substantially affecting the functional tube. Methods of forming composite tube assemblies and thin-walled tubing are also described.

A method for manufacturing a body for a sanitary fitting that involves the following steps: provision of the body, wherein the body contains at least partially a zinc alloy and has at least one area for guiding a liquid; and coating the at least one area using an anti-corrosion coating, wherein the anti-corrosion coating is at least partially formed of a polymeric material.

A method for manufacturing a body for a sanitary fitting that involves the following steps: provision of the body, wherein the body contains at least partially a zinc alloy and has at least one area for guiding a liquid; and coating the at least one area using an anti-corrosion coating, wherein the anti-corrosion coating is at least partially formed of a polymeric material.

A pipe according to the present disclosure comprises: a hollow tube body in which fluids of different temperatures pass through the inside and outside thereof; and a coating layer which is provided on an external surface of the hollow tube body, and which has an alloy comprising an amorphous phase, wherein the alloy comprises Fe, and comprises at least one or more first component selected from the group consisting of Cr, Mo and Co, and at least one or more second component selected from the group consisting of B, C, Si and Nb.