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BS 5204-1:1975

$102.76

Specification for straightedges – Cast iron straightedges (bow shaped and I-section)

Published By Publication Date Number of Pages
BSI 1975 18
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This Part of this British Standard specifies requirements for cast iron straightedges of bow shaped design and of I-section in metric sizes. Two grades of accuracy are provided for each type, namely grade A and grade B.

Requirements applicable to both types are given in clauses 3 and 4 and 7 to 14 inclusive while clauses 5 and 6 specify particular requirements relating to bow shaped straightedges in lengths up to and including 8 000 mm and I-section straightedges in lengths up to and including 5 000 mm.

Recommended general dimensions, methods of testing and heat treatments are given in appendices.

NOTE A straightedge complying fully with the requirements of a superseded standard continues to be operational but it should be brought into full association with this standard when convenient, i.e. when the surfaces are reconditioned and/or retested.

Metric sizes in lengths up to 8000 mm bow shaped and 5000 mm I section. Two grades of accuracy for each type, material, manufacture, design. Recommended dimensions and test methods appended.

BS 5204-1:1975
$102.76