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ASTM A299 Steel vs. EN 1.7779 Steel

Both ASTM A299 steel and EN 1.7779 steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A299 steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 22
16
Fatigue Strength, MPa 230 to 250
430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370 to 390
500
Tensile Strength: Ultimate (UTS), MPa 590 to 620
810
Tensile Strength: Yield (Proof), MPa 330 to 360
660

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
470
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 51
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 47
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 350
1150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 22
29
Strength to Weight: Bending, points 20 to 21
25
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 17 to 18
23