Thruhard Supreme 2738mod.TS(HHH) Steel

Thruhard Supreme 2738mod.TS(HHH) Steel

Steel name: Thruhard Supreme 2738mod.TS(HHH)
Diagram No.: 2286
Mat.No. (Wr.Nr.) designation: 1.2378 mod.
Chemical composition in weight %: 0.26% C, 0.10% Si, 1.45% Mn, 0.015% P, 0.002% S, 1.25% Cr, 0.70% Mo, 1.05% Ni, 0.15% V
Steel group: Plastic mould steels
Properties: Both plastic mould steel variants of Thruhard Supreme distinguished from grades 2311 and 2738 by: Higher hardness and better through-hardenability, Polishability up to 600 grit, Grain reliability even with sensitive etch-graining designs, Improved weldability, Higher thermal conductivity.
Applications: Compression and injection moulds to accommodate large dimensions such as bumpers, dashboards, chairs, rubbish bins, bottle crates, television cabinets, etc.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: Temperature: 880 °C. Duration: 1 minute per mm wall thickness.
Tempering: Temperature: See tempering curve. Duration: 1 hour per 25 mm wall thickness. Cooling: Air.
Diagram note: Average values on samples dia. 25 x 50 mm long, hardened at 880 °C in oil. HB converted from HRC.

Tempering Diagram

Price: 20.00 US $
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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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