EN 1.7006 (46Cr2) Chromium Steel

Other Steels

Material conditionquenched and tempered

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus190GPa

Tensile Strength730MPa

Yield Strength460MPa

Brinell Hardness220HB

Maximum Service Temperature410°C

Weight Calculator

Chemical Composition

0.42 to 0.5%

0.4 to 0.6%

0.5 to 0.8%

0 to 0.4%

0 to 0.035%

97.6 to 98.7%

Mechanical

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

17 %

Fatigue Strength

300 MPa

Impact Strength: V-Notched Charpy

39 J

Poisson's Ratio

0.29

Shear Modulus

73 GPa

Shear Strength

450 MPa

Tensile Strength: Ultimate (UTS)

730 MPa

Tensile Strength: Yield (Proof)

460 MPa

Hardness

Brinell Hardness

220

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

250 J/g

Maximum Temperature: Mechanical

410 °C

Melting Completion (Liquidus)

1460 °C

Melting Onset (Solidus)

1420 °C

Specific Heat Capacity

470 J/kg-K

Thermal Conductivity

46 W/m-K

Thermal Diffusivity

12 mm 2 /s

Thermal Expansion

13 µm/m-K

Thermal Shock Resistance

22 points

Electrical

Electrical Conductivity: Equal Volume

7.2 % IACS

Electrical Conductivity: Equal Weight (Specific)

8.2 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

110 MJ/m 3

Resilience: Unit (Modulus of Resilience)

560 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

26 points

Strength to Weight: Bending

23 points

Environmental

Base Metal Price

2.0 % relative

Embodied Carbon

1.4 kg CO 2 /kg material

Embodied Energy

19 MJ/kg

Embodied Energy

19 MJ/kg 8.1 x 10 3 BTU/lb

Embodied Water

48 L/kg

Embodied Water

48 L/kg 5.7 gal/lb

Registered Designations & Aliases

1.70061.700646Cr246Cr2EN 1.7006 (46Cr2) Chromium Steel

Standards

EN 10083-3 EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels

EN 10250-3 EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels

EN 10250-3 EN 10250-3: Open die steel forgings for general engineering purposes - Part 3: Alloy special steels

EN 10250-3 EN 10250-3: Open die steel forgings for general engineering purposes - Part 3: Alloy special steels EN 10263-4: Steel rod, bars and wire for cold heading and cold extrusion - Part 4: Technical delivery conditions for steels for quenching and tempering

EN 10263-4 EN 10263-4: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for steels for quenching and tempering

EN 10263-4 EN 10263-4: Steel rod, bars and wire for cold heading and cold extrusion - Part 4: Technical delivery conditions for steels for quenching and tempering