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EN 1.8945 Steel vs. EN 1.4724 Stainless Steel

Both EN 1.8945 steel and EN 1.4724 stainless steel are iron alloys. They have 86% 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 1.8945 steel and the bottom bar is EN 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
16
Fatigue Strength, MPa 260
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 350
340
Tensile Strength: Ultimate (UTS), MPa 580
550
Tensile Strength: Yield (Proof), MPa 390
280

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
850
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 42
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.0
Embodied Energy, MJ/kg 19
28
Embodied Water, L/kg 51
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
73
Resilience: Unit (Modulus of Resilience), kJ/m3 410
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 11
5.6
Thermal Shock Resistance, points 17
19

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0 to 0.15
0 to 0.12
Chromium (Cr), % 0.25 to 1.4
12 to 14
Copper (Cu), % 0.2 to 0.6
0
Iron (Fe), % 95.1 to 99.5
82.2 to 86.6
Manganese (Mn), % 0 to 1.1
0 to 1.0
Nickel (Ni), % 0 to 0.7
0
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0.050 to 0.16
0 to 0.040
Silicon (Si), % 0 to 0.8
0.7 to 1.4
Sulfur (S), % 0 to 0.040
0 to 0.015