Superplast 2738 mod. Steel - Hardenability Diagram

Superplast 2738 mod. Steel

Steel name: Superplast 2738 mod.
Diagram No.: 2000
Mat.No. (Wr.Nr.) designation: 1.2738 mod.
Chemical composition in weight %: 0.26% C, 0.10% Si, 1.40% Mn, 0.002% S, 1.40% Cr, 0.30% Ni, 0.45% Mo, +B
Steel group: Boron steels, alloy steels
Applications: Plastic injection mould cores and cavities, large - size moulds for bumpers, dashboards, television panels, bottle crates, etc. Thermoplastics, thermosetting plastics, ABS, transparent melts. Injection moulding, compression moulding, RIM moulding, etc.
Comment: Thanks to an optimal balance of alloying elements (especially Boron metallurgy) and high quality heat treatment, Superplast 2738 mod. exhibits a very consistent hardness through large sections (up to 1300 mm thick). On the opposite the hardness of standard W 1.2738 is highly heterogeneous from surface to core. Prehardened steel for medium and very large - size moulds and tools with good machinability. Consistent texturing and polishing improved by very low sulphur content. Reliable repair welding and high thermal conductivity.
Reference: Not shown in this demo version.

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

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