En Iso 13920-bf ~repack~ Instant
The use of EN ISO 13920-1:2014 provides several benefits, including:
| Term | Standard | Meaning | |------|----------|---------| | | ISO 13920 | General tolerances for welded constructions | | Class C, D, E, F | ISO 13920 | Tolerance grades (C finest → F coarsest) | | BF | ISO 9692-1 | Butt weld preparation with Backing + Flat root face | | EN ISO 13920-BF | Invalid combo | Likely means: Tolerance Class F + Weld prep BF | en iso 13920-bf
Specifying tolerances that are too tight (Class A or C) when they aren't structurally necessary drives up fabrication costs significantly. ISO 13920-B (specifically Class BD) offers the best balance between quality and cost-efficiency. The use of EN ISO 13920-1:2014 provides several