Specific requirements for sizes and tolerances 6.1 Sizes 6.2 Mass/unit length tolerances 6.3 Dimensional tolerances 6.4 Straightness 6.5 Length Annex A Hardenability curves for case hardening steels Annex B Deoxidation of steel Figure A.1 — Hardenability curves for case hardening steels Figure A.1.1 ...