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EN 1.8870 Steel vs. ASTM A356 Grade 9

Both EN 1.8870 steel and ASTM A356 grade 9 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.8870 steel and the bottom bar is ASTM A356 grade 9.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
17
Fatigue Strength, MPa 310
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 610
670
Tensile Strength: Yield (Proof), MPa 450
460

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 410
440
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
3.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.4
Embodied Energy, MJ/kg 22
33
Embodied Water, L/kg 50
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 530
570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 10
11
Thermal Shock Resistance, points 18
19

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0 to 0.2
Chromium (Cr), % 0 to 0.5
1.0 to 1.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 95.1 to 100
95.2 to 97.2
Manganese (Mn), % 0 to 1.7
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.2
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0.2 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.080
0.2 to 0.35
Zirconium (Zr), % 0 to 0.050
0