A refrigerant pipe that constitutes a refrigerant circuit of a refrigeration apparatus includes: a first pipe; and a second pipe. The first pipe includes: a first pipe body, made of stainless steel; and a first connection, made of a material different from stainless steel, disposed at an end of the first pipe body in a pipe axial direction of the first pipe body. The second pipe includes: a second pipe body, made of stainless steel; and a second connection, made of a material identical to the material of the first connection, disposed at an end of the second pipe body in a pipe axial direction of the second pipe body. The first connection is connected to the second connection.