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The term metal bellows refers to a structure that is composed of one or more stainless steel sleeves fitted into one another and is rendered elastic by the introduction of parallel corrugations. Metal bellows can be arranged to complete combinations of metal bellows (expansion joints). Thus, every specific requirement can be met. As raw material for the sleeve production, stainless steel strips or sheets with a thickness of 0.15 - 3 mm in the standard grades are used: 1.4541 / AISI 321 1.4571 / AISI 316Ti 1.4404 / AISI 316L 1.4307 / AISI 304L                                                              material with high chemical resistance and temperature resistance:   1.4435 / AISI 316L 1.4539 / AL 904L 1.4878 / AISI 321H 1.4828 / AISI 309 1.4462 / AISI 318 LN 1.4410 / AISI F53 or additional special materials:      1.4876 / Incoloy 800HT 2.4858 / Incoloy 825 2.4856 / Inconel 625 2.4816 / Inconel 600 2.4610 / Hastelloy C-4 2.4819 / Hastelloy C-276 2.4602 / Hastelloy C-22 3.7035 / Tit