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ASTM A321 Carbon Steel vs. EN 1.0213 Steel

Both ASTM A321 carbon steel and EN 1.0213 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is ASTM A321 carbon steel and the bottom bar is EN 1.0213 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
92 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
12 to 25
Fatigue Strength, MPa 270
160 to 240
Poisson's Ratio 0.29
0.29
Reduction in Area, % 39
72 to 80
Shear Modulus, GPa 73
73
Shear Strength, MPa 420
230 to 270
Tensile Strength: Ultimate (UTS), MPa 670
320 to 430
Tensile Strength: Yield (Proof), MPa 390
220 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
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 51
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
7.9

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
33 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 400
120 to 300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
11 to 15
Strength to Weight: Bending, points 22
13 to 16
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 21
10 to 14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.55
0.060 to 0.1
Iron (Fe), % 98.1 to 99.25
99.245 to 99.67
Manganese (Mn), % 0.6 to 0.9
0.25 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.050
0 to 0.025