EN 1.1133 (20Mn5) Non-Alloy Steel

Carbon & Non-Alloy Steels

Material conditionnormalized and tempered

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus190GPa

Tensile Strength580MPa

Yield Strength320MPa

Brinell Hardness170HB

Maximum Service Temperature400°C

Weight Calculator

Chemical Composition

0.17 to 0.23%

0 to 0.4%

0 to 0.1%

1.0 to 1.5%

0 to 0.4%

0 to 0.035%

96.9 to 98.8%

Mechanical

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

24 %

Fatigue Strength

230 MPa

Impact Strength: V-Notched Charpy

48 J

Poisson's Ratio

0.29

Shear Modulus

73 GPa

Shear Strength

370 MPa

Tensile Strength: Ultimate (UTS)

580 MPa

Tensile Strength: Yield (Proof)

320 MPa

Hardness

Brinell Hardness

170

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

250 J/g

Maximum Temperature: Mechanical

400 °C

Melting Completion (Liquidus)

1460 °C

Melting Onset (Solidus)

1420 °C

Specific Heat Capacity

470 J/kg-K

Thermal Conductivity

49 W/m-K

Thermal Diffusivity

13 mm 2 /s

Thermal Expansion

12 µm/m-K

Thermal Shock Resistance

18 points

Electrical

Electrical Conductivity: Equal Volume

7.3 % IACS

Electrical Conductivity: Equal Weight (Specific)

8.3 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

120 MJ/m 3

Resilience: Unit (Modulus of Resilience)

270 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

21 points

Strength to Weight: Bending

20 points

Environmental

Base Metal Price

2.1 % relative

Embodied Carbon

1.5 kg CO 2 /kg material

Embodied Energy

19 MJ/kg

Embodied Energy

19 MJ/kg 8.2 x 10 3 BTU/lb

Embodied Water

48 L/kg

Embodied Water

48 L/kg 5.8 gal/lb

Registered Designations & Aliases

1.11331.113320Mn520Mn5EN 1.1133 (20Mn5) Non-Alloy Steel

Standards

EN 10250-2 EN 10250-2: 2000 Open steel die forgings for general engineering purposes. Non-alloy quality and special steels

EN 10250-2 EN 10250-2: Open die steel forgings for general engineering purposes - Part 2: Non-alloy quality and special steels

EN 10250-2 EN 10250-2: Open die steel forgings for general engineering purposes - Part 2: Non-alloy quality and special steels EN 10269: Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties Creep-Resistant Steels, Fujio Abe et al. (editors), 2008

EN 10269 EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

EN 10269 EN 10269: Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties