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EN 1.7366 Steel vs. ASTM A356 Grade 8

Both EN 1.7366 steel and ASTM A356 grade 8 are iron alloys. They have a very high 96% 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 1.7366 steel and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
21
Fatigue Strength, MPa 160 to 320
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 460 to 710
630
Tensile Strength: Yield (Proof), MPa 230 to 480
390

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 510
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
38
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 4.3
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.0
Embodied Energy, MJ/kg 23
26
Embodied Water, L/kg 69
55

Common Calculations

PREN (Pitting Resistance) 6.8
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
22
Strength to Weight: Bending, points 17 to 23
21
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 13 to 20
18

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.2
Chromium (Cr), % 4.0 to 6.0
1.0 to 1.5
Iron (Fe), % 91.9 to 95.3
95.4 to 97.4
Manganese (Mn), % 0.3 to 0.8
0.5 to 0.9
Molybdenum (Mo), % 0.45 to 0.65
0.9 to 1.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0.2 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15