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EN 1.0038 Steel vs. EN 1.7715 Steel

Both EN 1.0038 steel and EN 1.7715 steel are iron alloys. They have a very high 99% 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 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 120
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23 to 25
21
Fatigue Strength, MPa 140 to 160
240
Impact Strength: V-Notched Charpy, J 28 to 31
34
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 240 to 270
340
Tensile Strength: Ultimate (UTS), MPa 380 to 430
540
Tensile Strength: Yield (Proof), MPa 200 to 220
340

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
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
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 19
30
Embodied Water, L/kg 48
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72 to 88
99
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 130
320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 15
19
Strength to Weight: Bending, points 15 to 16
19
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 12 to 13
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.23
0.1 to 0.15
Chromium (Cr), % 0 to 0.3
0.3 to 0.6
Copper (Cu), % 0 to 0.6
0 to 0.3
Iron (Fe), % 97.1 to 100
96.5 to 98.3
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.080
0.5 to 0.7
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
0.15 to 0.35
Sulfur (S), % 0 to 0.045
0 to 0.010
Vanadium (V), % 0
0.22 to 0.28