BS 3S 98:2014 pdf free.Specification for 2.5% nickel-chromium- molybdenum (high carbon) steel billets, bars, forgings and parts (1 160- 1 310 MPa: limiting ruling section 155 mm) BS 3S 98 This British Standard specifies requirements for 2.5% nickel-chromium molybdenum (high carbon) steel supplied in the following forms, and as parts.●Forging stock: softened, designation S 98A.●Forgings: hardened and tempered, designation S...