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EN 1.4458 Stainless Steel vs. EN 1.0038 Steel

Both EN 1.4458 stainless steel and EN 1.0038 steel are iron alloys. They have 48% 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 1.4458 stainless steel and the bottom bar is EN 1.0038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
23 to 25
Fatigue Strength, MPa 150
140 to 160
Impact Strength: V-Notched Charpy, J 67
28 to 31
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 510
380 to 430
Tensile Strength: Yield (Proof), MPa 190
200 to 220

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.4
Embodied Energy, MJ/kg 75
19
Embodied Water, L/kg 200
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
72 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 89
110 to 130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
13 to 15
Strength to Weight: Bending, points 18
15 to 16
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 12
12 to 13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.23
Chromium (Cr), % 19 to 22
0 to 0.3
Copper (Cu), % 0 to 2.0
0 to 0.6
Iron (Fe), % 40.2 to 53
97.1 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.080
Nickel (Ni), % 26 to 30
0 to 0.3
Nitrogen (N), % 0 to 0.2
0 to 0.014
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.025
0 to 0.045