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ASTM A372 Grade C Steel vs. EN 1.0033 Steel

Both ASTM A372 grade C steel and EN 1.0033 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is ASTM A372 grade C steel and the bottom bar is EN 1.0033 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
86 to 96
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
17 to 32
Fatigue Strength, MPa 290
120 to 140
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 440
200
Tensile Strength: Ultimate (UTS), MPa 710
300 to 330
Tensile Strength: Yield (Proof), MPa 430
150 to 200

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 46
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
48 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 500
63 to 100
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
10 to 12
Strength to Weight: Bending, points 23
13 to 14
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 22
9.4 to 10

Alloy Composition

Carbon (C), % 0 to 0.48
0 to 0.11
Iron (Fe), % 97.5 to 99.85
98.8 to 100
Manganese (Mn), % 0 to 1.7
0 to 0.7
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.045