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By certification 
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)
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)
