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ASTM A203 Steel vs. EN 1.0034 Steel

Both ASTM A203 steel and EN 1.0034 steel are iron alloys.

For each property being compared, the top bar is ASTM A203 steel and the bottom bar is EN 1.0034 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
97 to 110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22 to 26
9.0 to 32
Fatigue Strength, MPa 210 to 280
140 to 170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 330 to 370
220 to 230
Tensile Strength: Ultimate (UTS), MPa 520 to 590
340 to 380
Tensile Strength: Yield (Proof), MPa 290 to 390
180 to 280

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
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 52
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5 to 8.7
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2 to 4.0
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6 to 1.7
1.4
Embodied Energy, MJ/kg 21 to 23
18
Embodied Water, L/kg 50 to 52
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
31 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 410
84 to 210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
12 to 13
Strength to Weight: Bending, points 18 to 20
14 to 15
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 15 to 17
11 to 12