P20+S/ 1.2312 / 40CrMnMoS86 (plastic mold steel) Characteristics: Round P20+S is with additional sulphur, usually supplied in a quenched and tempered condition. Polishable, better machinability compared to 1.2311 Applications: Round P20+S is for making plastic moulds, frames for plastic pressure dies, hydroforming tools steel grade: P20+S/1.2312/ 40CrMnMoS86 specification: Round bars 60-800mm flats 40-350x100-1000mm Delivery condition: EAF+LF+VD+(ESR),forged, annealed, UT tested, peeled or machined Tolerance: 0/+2mm UT grade: SEP1921,Group3, class D/d Payment item: T/T,L/C Equivalent Grades: GB：40CrMnMoS86 DIN：1.2312 AISI：P20+S Chemical Composition (for reference only): C:0.35-0.45 Mn:1.40-1.60 Si:0.30-0.50 Cr:1.80-2.00 Mo:0.15-0.25 P: ≤0.03 S:0.05-0.10 Surface condition: Black surface/ turning / milling / peeling / polishing. Hardness: Annealed HBS220 max Weight: 20ft: GW: 17.5T; (5.69mX2.13mX2.18m,) 40ft: GW: 22T; (11.8mX2.13mX2.18m)