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EN 1.8888 Steel vs. ASTM A356 Grade 9

Both EN 1.8888 steel and ASTM A356 grade 9 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.8888 steel and the bottom bar is ASTM A356 grade 9.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
17
Fatigue Strength, MPa 470
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 830
670
Tensile Strength: Yield (Proof), MPa 720
460

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 420
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 40
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
3.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.4
Embodied Energy, MJ/kg 26
33
Embodied Water, L/kg 54
56

Common Calculations

PREN (Pitting Resistance) 2.0
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 24
19

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.2
Chromium (Cr), % 0 to 1.5
1.0 to 1.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
95.2 to 97.2
Manganese (Mn), % 0 to 1.7
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.7
0.9 to 1.2
Nickel (Ni), % 0 to 2.5
0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.8
0.2 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0.2 to 0.35
Zirconium (Zr), % 0 to 0.15
0