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EN 1.0038 Steel vs. EN 1.4429 Stainless Steel

Both EN 1.0038 steel and EN 1.4429 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.0038 steel and the bottom bar is EN 1.4429 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 120
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23 to 25
40
Fatigue Strength, MPa 140 to 160
280
Impact Strength: V-Notched Charpy, J 28 to 31
93
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 240 to 270
470
Tensile Strength: Ultimate (UTS), MPa 380 to 430
690
Tensile Strength: Yield (Proof), MPa 200 to 220
320

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
960
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.0
Embodied Energy, MJ/kg 19
55
Embodied Water, L/kg 48
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72 to 88
230
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 130
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 15
24
Strength to Weight: Bending, points 15 to 16
22
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 12 to 13
15

Alloy Composition

Carbon (C), % 0 to 0.23
0 to 0.030
Chromium (Cr), % 0 to 0.3
16.5 to 18.5
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 97.1 to 100
61.2 to 69.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.080
2.5 to 3.0
Nickel (Ni), % 0 to 0.3
11 to 14
Nitrogen (N), % 0 to 0.014
0.12 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.55
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.015