Some students have been given a reference to standard BS 4360:43A (or equivalent). It looks like (though not yet 100% certain) that the 43A refers to a grade of steel rather than a subsection of the standard.
Some students have been given a reference to standard BS 4360:43A (or equivalent). It looks like (though not yet 100% certain) that the 43A refers to a grade of steel rather than a subsection of the standard.