Reference details
- Reference
- EN 4131:2009/AC:2010
- Official title
- Aerospace series - Bolts, normal hexagonal head, coarse tolerance normal shank, medium length thread, in heat resisting nickel base alloy, aluminium IVD coated - Classification: 1 250 MPa (at ambient temperature) / 425 °C
- Organisation
- CEN
- Publisher status in source
- WithdrawnThis is the status recorded in the source, not a statement that this is the latest edition.
- Source access
- 19 October 2026
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Material grade, joining process and surface condition as linked elements of technical performance.
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Equipment qualification and interface requirements in marine and aerospace service environments.
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