1、BS EN 3842:2001 BRITISH STANDARD AEROSPACE SERIES Circular tubes for fluids in corrosion resistant steel - Diameter 3,2 mmI;Drl00 mm- Thickness 0,32 mrn 1 O00 + 10 O 5.2 Geometric tolerances 5.2.1 Straightness 5.2.1.1 See EN 384%. Method of measurement and symbols 5.2.1.2 Tolerances See table 5 Tabl
2、e 5 Dimensions in millimetres Diameter Straightness deviation I Y, per metre 5.2.2 Roundness Roundness shall be contained within the outside diameter tolerances. 5.2.3 Eccentricity Eccentricity shall be contained within the thickness tolerances. 5 -_ BS EN 3842:2001 BSI 389 Chiswick High Road London
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