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Master Bond adhesives

EDRO RoyAlloy™ #6 Free Machining Stainless Holder Steel
Categories: Metal; Ferrous Metal; Martensitic; Stainless Steel; T 400 Series Stainless Steel
Material Notes: RoyAlloy™ is a 400 series martensitic stainless steel supplied prehardened.
RoyAlloy™ is characterized by excellent machinability, good corrosion resistance, uniform and consistent hardness in all dimensions, good resistance to indentation (compressive strength), excellent ductility, excellent flatness, dimensionally stable, smooth as rolled surfaces, excellent weldability, and good thermal conductivity.
RoyAlloy™ is an improved stainless grade designed specifically for plastic molding applications. Chemical composition and thermal treatments provide physical properties and microstructures designed to provide reduced mold maintenance costs, worry free weld repair, dimensional stability, and lower mold production costs due to less cutting tool wear and increased cutting speeds.
Applications: plastic and rubber molds, plastic mold bases, plastic mold inserts, constructional parts, plastic extrusion

Information provided by EDRO
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Physical PropertiesMetricEnglishComments
Density  7.81 g/cc
@Temperature 199 °C		0.282 lb/in³
@Temperature 390 °F		Prehardened to 321 HB
 7.86 g/cc
@Temperature 20.0 °C		0.284 lb/in³
@Temperature 68.0 °F		Prehardened to 321 HB
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 321321
Tensile Strength, Ultimate  1050 MPa
@Temperature 199 °C		152000 psi
@Temperature 390 °F		Longitudinal Tests from 3" rolled plate at 321 HB
 1070 MPa
@Temperature 20.0 °C		155000 psi
@Temperature 68.0 °F		Longitudinal Tests from 3" rolled plate at 321 HB
Tensile Strength, Yield  869 MPa
@Strain 0.2 %,
Temperature 199 °C		126000 psi
@Strain 0.2 %,
Temperature 390 °F		Longitudinal Tests from 3" rolled plate at 321 HB
 889 MPa
@Strain 0.2 %,
Temperature 20.0 °C		129000 psi
@Strain 0.2 %,
Temperature 68.0 °F		Longitudinal Tests from 3" rolled plate at 321 HB
Elongation at Yield  12 %
@Temperature 20.0 °C		12 %
@Temperature 68.0 °F		in 2"
 12 %
@Temperature 199 °C		12 %
@Temperature 390 °F		in 2"
Reduction of Area  34 %
@Temperature 20.0 °C		34 %
@Temperature 68.0 °F
 34 %
@Temperature 199 °C		34 %
@Temperature 390 °F
Modulus of Elasticity  190 GPa
@Temperature 199 °C		27600 ksi
@Temperature 390 °F
 200 GPa
@Temperature 20.0 °C		29000 ksi
@Temperature 68.0 °F
Charpy Impact  21.7 J
@Temperature 20.0 °C		16.0 ft-lb
@Temperature 68.0 °F		Longitudinal Charpy V-notch Tests from a 3" rolled plate at 321 HB
 35.3 J
@Temperature 199 °C		26.0 ft-lb
@Temperature 390 °F		Longitudinal Charpy V-notch Tests from a 3" rolled plate at 321 HB
 
Thermal PropertiesMetricEnglishComments
CTE, linear 11.0 µm/m-°C
@Temperature 20.0 - 199 °C		6.10 µin/in-°F
@Temperature 68.0 - 390 °F
 
Descriptive Properties
Color CodeYellow Blue Stripe

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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