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EN 1.6781 Steel vs. ASTM A356 Grade 10

Both EN 1.6781 steel and ASTM A356 grade 10 are iron alloys. They have a very high 97% 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 1.6781 steel and the bottom bar is ASTM A356 grade 10.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
23
Fatigue Strength, MPa 450
300
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 830
670
Tensile Strength: Yield (Proof), MPa 680
430

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 450
460
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 44
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.8
Embodied Energy, MJ/kg 25
23
Embodied Water, L/kg 60
59

Common Calculations

PREN (Pitting Resistance) 3.3
5.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1220
480
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 12
11
Thermal Shock Resistance, points 24
19

Alloy Composition

Carbon (C), % 0.15 to 0.19
0 to 0.2
Chromium (Cr), % 1.3 to 1.8
2.0 to 2.8
Iron (Fe), % 92.6 to 94.6
94.4 to 96.6
Manganese (Mn), % 0.55 to 0.8
0.5 to 0.8
Molybdenum (Mo), % 0.45 to 0.6
0.9 to 1.2
Nickel (Ni), % 3.0 to 3.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030