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EDRO EDRO400™ #40 Prehardened Insert Quality Martensitic Stainless Steel

Category Metal , Ferrous Metal , Martensitic , Stainless Steel , T 400 Series Stainless Steel
Manufacturer EDRO
Trade Name EDRO400™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF EDRO EDRO400™ #40 Prehardened Insert Quality Martensitic Stainless Steel.pdf
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  Online Service   lookpolymers   27660005
Material Notes:
EDRO400™ is a remelted 400 series martensitic stainless steel supplied prehardened to 40 HRC (375 HB).EDRO400™ is characterized by excellent polishability, superior corrosion resistance, high level of dimensional stability, enhanced machinability, good ductility and toughness, uniform and consistent hardness, good thermal conductivity, good resistance to indentation (compressive strength), smooth as rolled plate surfaces, and excellent weldability. EDRO400™ chemical composition, melting and refining practice and thermal treatment establish physical and mechanical properties designed to provide homogeneity, superior polished surface finishes, improved corrosion resistance, reduced mold maintenance costs, dimensional stability, uniform and consistent hardness, and safe and simple weld repair.Applications: plastic injection mold inserts / cavities, extrusion tooling, rubber molds, components, and constructional partsInformation provided by EDRO
Physical Properties Metric English Comments
Density 7.81 g/cc

@Temperature 199 °C
 0.282 lb/in³

@Temperature 390 °F
7.86 g/cc

@Temperature 20.0 °C
 0.284 lb/in³

@Temperature 68.0 °F
Mechanical Properties Metric English Comments
Hardness, Rockwell C 38 - 42
38 - 42
Hardness, Vickers 420

@Treatment Temp. 470 °C,
Thickness 0.0400 mm
 420

@Treatment Temp. 878 °F,
Thickness 0.00157 in
 Gas Nitriding, thickness refers to distance from surface
420

@Treatment Temp. 470 °C,
Thickness 0.100 mm
 420

@Treatment Temp. 878 °F,
Thickness 0.00394 in
 Gas Nitriding, thickness refers to distance from surface
430

@Treatment Temp. 400 °C,
Thickness 0.100 mm
 430

@Treatment Temp. 752 °F,
Thickness 0.00394 in
 Plasma Nitriding, thickness refers to distance from surface
450

@Treatment Temp. 400 °C,
Thickness 0.0400 mm
 450

@Treatment Temp. 752 °F,
Thickness 0.00157 in
 Plasma Nitriding, thickness refers to distance from surface
500

@Treatment Temp. 400 °C,
Thickness 0.0300 mm
 500

@Treatment Temp. 752 °F,
Thickness 0.00118 in
 Plasma Nitriding, thickness refers to distance from surface
500

@Treatment Temp. 470 °C,
Thickness 0.0200 mm
 500

@Treatment Temp. 878 °F,
Thickness 0.000787 in
 Gas Nitriding, thickness refers to distance from surface
800

@Treatment Temp. 470 °C,
Thickness 0.0180 mm
 800

@Treatment Temp. 878 °F,
Thickness 0.000709 in
 Gas Nitriding, thickness refers to distance from surface
1000

@Treatment Temp. 400 °C,
Thickness 0.0200 mm
 1000

@Treatment Temp. 752 °F,
Thickness 0.000787 in
 Plasma Nitriding, thickness refers to distance from surface
1050

@Treatment Temp. 470 °C,
Thickness 0.00700 mm
 1050

@Treatment Temp. 878 °F,
Thickness 0.000276 in
 Gas Nitriding, thickness refers to distance from surface
1100

@Treatment Temp. 470 °C,
Thickness 0.0100 mm
 1100

@Treatment Temp. 878 °F,
Thickness 0.000394 in
 Gas Nitriding, thickness refers to distance from surface
1100

@Treatment Temp. 400 °C,
Thickness 0.0100 mm
 1100

@Treatment Temp. 752 °F,
Thickness 0.000394 in
 Plasma Nitriding, thickness refers to distance from surface
Tensile Strength, Ultimate 1300 MPa

@Temperature 20.0 °C
 189000 psi

@Temperature 68.0 °F
 Longitudinal Tests from 6.3" rolled plate at 375 HB
Tensile Strength, Yield 1010 MPa

@Strain 0.200 %,
Temperature 20.0 °C
 146000 psi

@Strain 0.200 %,
Temperature 68.0 °F
 Longitudinal Tests from 6.3" rolled plate at 375 HB
Elongation at Yield 13 %

@Temperature 20.0 °C
 13 %

@Temperature 68.0 °F
 in 2"
Reduction of Area 33 %

@Temperature 20.0 °C
 33 %

@Temperature 68.0 °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 12.2 J

@Temperature 20.0 °C
 9.00 ft-lb

@Temperature 68.0 °F
 Average CharpyV-notch from 6.3" plate at 387 HB
Thermal Properties Metric English Comments
CTE, linear 11.0 µm/m-°C

@Temperature 20.0 - 199 °C
 6.10 µin/in-°F

@Temperature 68.0 - 390 °F
Thermal Conductivity 28.2 W/m-K

@Temperature 199 °C
 196 BTU-in/hr-ft²-°F

@Temperature 390 °F
Descriptive Properties Value Comments
Color Code Red White Stripe
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