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EN 1.0471 Steel vs. ASTM A372 Grade A Steel

Both EN 1.0471 steel and ASTM A372 grade A steel are iron alloys. Both are furnished in the normalized condition. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.0471 steel and the bottom bar is ASTM A372 grade A steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
22
Fatigue Strength, MPa 270
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360
320
Tensile Strength: Ultimate (UTS), MPa 580
500
Tensile Strength: Yield (Proof), MPa 380
270

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 48
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
95
Resilience: Unit (Modulus of Resilience), kJ/m3 390
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0 to 0.060
0
Carbon (C), % 0 to 0.22
0 to 0.3
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 97.4 to 98.8
98.3 to 99.85
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Niobium (Nb), % 0.015 to 0.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0.15 to 0.35
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010