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EN 1.1151 Steel vs. ASTM A204 Steel

Both EN 1.1151 steel and ASTM A204 steel are iron alloys.

For each property being compared, the top bar is EN 1.1151 steel and the bottom bar is ASTM A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 26
18 to 22
Fatigue Strength, MPa 180 to 240
200 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300 to 330
330 to 360
Tensile Strength: Ultimate (UTS), MPa 460 to 520
520 to 590
Tensile Strength: Yield (Proof), MPa 240 to 340
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420 to 1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
52
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 47
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 100
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 310
220 to 290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 18
18 to 21
Strength to Weight: Bending, points 17 to 18
18 to 20
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 15 to 16
15 to 17