ASTM A148 Grade 80-50 or 550-345 (D50500) Cast Steel

Alloy Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus190GPa

Tensile Strength630MPa

Yield Strength390MPa

Brinell Hardness190HB

Maximum Service Temperature400°C

Weight Calculator

Chemical Composition

0 to 0.25%

0.25 to 0.4%

0.15 to 0.25%

1.3 to 1.5%

0 to 0.6%

0 to 0.050%

0 to 0.060%

96.9 to 98.4%

Mechanical

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

25 %

Fatigue Strength

280 MPa

Poisson's Ratio

0.29

Reduction in Area

39 %

Shear Modulus

73 GPa

Tensile Strength: Ultimate (UTS)

630 MPa

Tensile Strength: Yield (Proof)

390 MPa

Hardness

Brinell Hardness

190

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

47 W/m-K

Thermal Diffusivity

13 mm 2 /s

Thermal Expansion

13 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)

140 MJ/m 3

Resilience: Unit (Modulus of Resilience)

400 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

22 points

Strength to Weight: Bending

21 points

Environmental

Base Metal Price

2.3 % relative

Embodied Carbon

1.5 kg CO 2 /kg material

Embodied Energy

20 MJ/kg

Embodied Energy

20 MJ/kg 8.5 x 10 3 BTU/lb

Embodied Water

48 L/kg

Embodied Water

48 L/kg 5.8 gal/lb

Registered Designations & Aliases

ASTM A148 Grade 80-50 or 550-345 (D50500) Cast SteelD50500

Standards

ASTM A148 ASTM A148: Standard Specification for Steel Castings, High Strength, for Structural Purposes

ASTM A148 ASTM A148: Standard Specification for Steel Castings, High Strength, for Structural Purposes Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005