A short description of Type B evaluations of uncertainty (non-statistical) is included for completeness
BS EN 12237 is intended to establish the mechanical strength and leakage required to verify the fitness for the intended service as installed ductwork
including operations and maintenance
process leakage or construction or human material outgassing
for which other standard test methods are available if the full response to drycleaning of a textile is to be assessed
Specification for nickel-chromium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 19.5, Ti 0.4) Ingestion-build-64721 A short description of Type1 Scope This British Standard specifies requirements for nickel chromium titanium heat resisting alloy supplied in the following forms, and as parts. a) Bars and extruded sections for machining: annealed, designation HR 5A. b) Extruded sections for subsequent forming: softened, designation HR 5B. c) Billets and bars for forging: hot or cold worked and subsequently machined or ground, designation HR 5C. d) Forgings: annealed, designation HR 5D.