A method for manufacturing a metal based frame (300, 500, 600, 700, 800), characterised in that said method comprises the steps of: - providing a first element comprising a first element inner enveloping wall surrounding an interior volume, said interior volume being at least partly defined by said first element inner enveloping wall; - providing a second element having a second element outer wall, a second element inner wall, and a third element having a third element outer wall, a third element inner wall, wherein said second element inner wall and said third element inner wall each surround a free space; - arranging said second element and said third element at least partly in said interior volume such that an intermediate space having an access opening is formed between said first element inner enveloping wall and said second element outer wall and said third element outer wall in a predetermined pattern; - arranging a plurality of pieces of a wrought material in said intermediate space such that said intermediate space is filled to at least 70 % with pieces of wrought material; - providing a closing member arranged such that it covers at least said access opening of said intermediate space, said closing member being sealingly connected to at least said first element, whereby said first element, said second element, said third element, said plurality of pieces of a wrought material, and said closing member form an assembled frame arrangement; - removing gas from said intermediate space; - subjecting said assembled frame arrangement to a hot pressing process, e.g. a hot isostatic pressing process, for a predetermined time at a predetermined pressure and a predetermined temperature such that at least said plurality of pieces of a wrought material bond metallurgically to each other, to form said metal based frame, wherein said metal based frame comprises metallurgical detectable traces (1100,1102) of said plurality of pieces of wrought material, wherein said metallurgical detectable traces are formed by crystallographic mismatch at interfaces between different pieces in said plurality of pieces of a wrought material. - providing a first element comprising a first element inner enveloping wall surrounding an interior volume, said interior volume being at least partly defined by said first element inner enveloping wall; - providing a second element having a second element outer wall, a second element inner wall, and a third element having a third element outer wall, a third element inner wall, wherein said second element inner wall and said third element inner wall each surround a free space; - arranging said second element and said third element at least partly in said interior volume such that an intermediate space having an access opening is formed between said first element inner enveloping wall and said second element outer wall and said third element outer wall in a predetermined pattern; - arranging a plurality of pieces of a wrought material in said intermediate space such that said intermediate space is filled to at least 70 % with pieces of wrought material; - providing a closing member arranged such that it covers at least said access opening of said intermediate space, said closing member being sealingly connected to at least said first element, whereby said first element, said second element, said third element, said plurality of pieces of a wrought material, and said closing member form an assembled frame arrangement; - removing gas from said intermediate space; - subjecting said assembled frame arrangement to a hot pressing process, e.g. a hot isostatic pressing process, for a predetermined time at a predetermined pressure and a predetermined temperature such that at least said plurality of pieces of a wrought material bond metallurgically to each other, to form said metal based frame, wherein said metal based frame comprises metallurgical detectable traces (1100,1102) of said plurality of pieces of wrought material, wherein said metallurgical detectable traces are formed by crystallographic mismatch at interfaces between different pieces in said plurality of pieces of a wrought material.