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EN 1.6220 Steel vs. SAE-AISI 1025 Steel

Both EN 1.6220 steel and SAE-AISI 1025 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 30 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 1.6220 steel and the bottom bar is SAE-AISI 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23 to 25
17 to 28
Fatigue Strength, MPa 240 to 250
190 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 550 to 580
450 to 500
Tensile Strength: Yield (Proof), MPa 340
250 to 420

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
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 48
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 310
170 to 470
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 20
16 to 18
Strength to Weight: Bending, points 19 to 20
17 to 18
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 16 to 17
14 to 16

Alloy Composition

Carbon (C), % 0.17 to 0.23
0.22 to 0.28
Iron (Fe), % 96.7 to 98.8
99.03 to 99.48
Manganese (Mn), % 1.0 to 1.6
0.3 to 0.6
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0 to 0.050