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EN 1.0038 Steel vs. EN 1.8515 Steel

Both EN 1.0038 steel and EN 1.8515 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 120
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23 to 25
11
Fatigue Strength, MPa 140 to 160
580
Impact Strength: V-Notched Charpy, J 28 to 31
29
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 240 to 270
680
Tensile Strength: Ultimate (UTS), MPa 380 to 430
1130
Tensile Strength: Yield (Proof), MPa 200 to 220
940

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
470
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 49
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 48
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72 to 88
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 130
2310
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 15
40
Strength to Weight: Bending, points 15 to 16
31
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 12 to 13
33

Alloy Composition

Carbon (C), % 0 to 0.23
0.28 to 0.35
Chromium (Cr), % 0 to 0.3
2.8 to 3.3
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 97.1 to 100
94.7 to 96.5
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.080
0.3 to 0.5
Nickel (Ni), % 0 to 0.3
0 to 0.3
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.55
0 to 0.4
Sulfur (S), % 0 to 0.045
0 to 0.035