ASSAB RoyAlloy Datasheet

Wrought Stainless Steel

Supplied by ASSAB Pacific Pte. Ltd.

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Product Description
General
RoyAlloy is a patented free machining stainless holder steel, which is supplied in the prehardened condition.

RoyAlloy is characterised by:
  • Excellent machinability
  • Good dimensional stability
  • Readily weldable
  • Good corrosion resistance
  • Greater ductility
  • Good notch toughness
  • Uniform hardness in all dimensions
  • Better surface finish (as-rolled surface)
  • Good indentation resistance
Note: RoyAlloy is ultrasonic tested according to ASSAB specification.


Applications
  • Mould bases (holders/bolsters, cavity plates, support/backing plates, ejector plates)
  • Moulds requiring extensive machining and corrosion resistance
  • Plastic and rubber moulds with low demands on polishability
  • Dies for plastic extrusion
  • Constructional parts
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
Available Documents
Technical Datasheet (English)
Metals General
Nominal Value
Unit
 
Metal Type (Hardened)
 
 
Metals Type Analysis
Nominal Value
Unit
 
Type Analysis
     
Carbon
%
 
Chromium
%
 
Manganese
%
 
Silicon
%
 
Sulfur
%
 
Metals Physical
Nominal Value
Unit
 
Density (68°F)
lb/in³
 
Metals Mechanical
Nominal Value
Unit
 
Tensile Strength (Ultimate) 2 (73°F)
ksi
 
Tensile Strength (Yield), 0.2% 2 (73°F)
ksi
 
Tensile Elongation (Break) 2 (73°F)
%
 
Reduction of Area 2 (73°F)
%
 
Hardness (HB-Scale)
 
 
Tensile Modulus (68°F)
ksi
 
Metals Thermal
Nominal Value
Unit
 
Mean Specific Heat (212°F)
Btu/lb/°F
 
Mean CTE (68 to 392°F)
in/in/°F
 
Thermal Conductivity (212°F)
Btu·in/hr/ft²/°F
 
Notes
1Typical properties: these are not to be construed as specifications.
2Hardness: 321 HB
 
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