P-20 Steel

P-20 Steel

Steel name: P-20
Diagram No.: 1776
Mat.No. (Wr.Nr.) designation: 1.2330
UNS designation: T51620
AISI/SAE designation: P20
Chemical composition in weight %: 0.28-0.40% C, 0.20-0.80% Si, 0.60-1.20% Mn, max. 0.030% P, max. 0.030% S, 1.40-2.00% Cr, 0.30-0.55% Mo
Steel group: Plastic mould steels
Properties: No data
Applications: Flats, hollowbar, metric, non-standard, rounds, squares, standard.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 1550-1600° F/Oil quench to 150° F or hand warm and temper immediately. P-20 HI HARD is normally used in the pre-hardened condition, but may be heat-treated to higher hardness levels for higher strength or for lens mold applications. Preheat and then heat to 1550-1600° F and soak one half hour when material is up to temperature. Preheating: Preheat to 1250° F and hold one hour.
Tempering: Temper one hour per inch of section thickness to desired hardness.

Tempering Diagram

Price: 20.00 US $
Buy Online Tempering Diagram

Other Steel Data links
Carbides in Steel
CCT and TTT Diagrams of Steels
CCT and TTT Diagram Calculating Service
Hardenability Diagrams of Steels
Hardenability Calculating Service
Macro Defects in Steel
Metal Etchants
Non-Metallic Inclusions in Steel
Semiconductor Etchants

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