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EN 1.7139 Steel vs. ASTM A203 Steel

Both EN 1.7139 steel and ASTM A203 steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7139 steel and the bottom bar is ASTM A203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 480 to 1390
520 to 590

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.5 to 8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
3.2 to 4.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.6 to 1.7
Embodied Energy, MJ/kg 19
21 to 23
Embodied Water, L/kg 51
50 to 52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 49
18 to 21
Strength to Weight: Bending, points 17 to 35
18 to 20
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 14 to 41
15 to 17