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EN 1.0117 Steel vs. ASTM A321 Carbon Steel

Both EN 1.0117 steel and ASTM A321 carbon 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.0117 steel and the bottom bar is ASTM A321 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
21
Fatigue Strength, MPa 160
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 270
420
Tensile Strength: Ultimate (UTS), MPa 430
670
Tensile Strength: Yield (Proof), MPa 220
390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88
120
Resilience: Unit (Modulus of Resilience), kJ/m3 130
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 13
21

Alloy Composition

Carbon (C), % 0 to 0.19
0 to 0.55
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 97.6 to 100
98.1 to 99.25
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.050