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ASTM A356 Grade 8 vs. EN 1.7336 Steel

Both ASTM A356 grade 8 and EN 1.7336 steel are iron alloys. Their average alloy composition is basically identical. 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 ASTM A356 grade 8 and the bottom bar is EN 1.7336 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
22
Fatigue Strength, MPa 270
240 to 310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630
590
Tensile Strength: Yield (Proof), MPa 390
340 to 440

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 440
430
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 38
40
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 3.5
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 26
21
Embodied Water, L/kg 55
53

Common Calculations

PREN (Pitting Resistance) 4.7
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 390
310 to 510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 10
11
Thermal Shock Resistance, points 18
17

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.17
Chromium (Cr), % 1.0 to 1.5
1.0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 95.4 to 97.4
95.6 to 97.7
Manganese (Mn), % 0.5 to 0.9
0.4 to 0.65
Molybdenum (Mo), % 0.9 to 1.2
0.45 to 0.65
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0.2 to 0.6
0.5 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050
Vanadium (V), % 0.050 to 0.15
0