Mirrax 40 Steel

Mirrax 40 Steel

Steel name: Mirrax 40
Diagram No.: 2011
AISI/SAE designation: 420 mod.
Chemical composition in weight %: 0.21% C, 0.90% Si, 0.45% Mn, 13.50% Cr, 0.20% Mo, 0.60% Ni, 0.25% V, +N
Steel group: Stainless steels
Properties: No data
Applications: Injection moulds for both corrosive and non-corrosive plastics. Plastic moulding of high surface-finish products (e.g., bezels and casings for TV and computers). Blow moulding of corrosive plastics or high surface-finish transparent products (e.g. PET bottles).
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 1000-1025°C, but normally 1020°C/30 min/N2, high speed gas, oil
Tempering: Choose the tempering temperature according to the hardness required by reference to the tempering graph. Temper at least twice with intermediate cooling to room temperature. The lowest tempering temperature which should be used is 250°C. The minimum holding time at temperature is 2 hours.
Diagram note: No data

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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