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EN 1.0225 Steel vs. EN 1.7390 Steel

Both EN 1.0225 steel and EN 1.7390 steel are iron alloys. They have a moderately high 94% 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 1.0225 steel and the bottom bar is EN 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 140
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.7 to 24
16
Fatigue Strength, MPa 170 to 220
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 280 to 290
440
Tensile Strength: Ultimate (UTS), MPa 440 to 500
710
Tensile Strength: Yield (Proof), MPa 230 to 380
480

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
510
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
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.7
Embodied Energy, MJ/kg 18
23
Embodied Water, L/kg 46
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 95
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 390
600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 18
25
Strength to Weight: Bending, points 16 to 18
23
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 14 to 16
20

Alloy Composition

Carbon (C), % 0 to 0.21
0 to 0.18
Chromium (Cr), % 0
4.0 to 6.0
Iron (Fe), % 98 to 100
91.9 to 95.3
Manganese (Mn), % 0 to 1.4
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.045
0 to 0.015