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EN 1.0488 Steel vs. EN 1.0038 Steel

Both EN 1.0488 steel and EN 1.0038 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0488 steel and the bottom bar is EN 1.0038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
23 to 25
Fatigue Strength, MPa 210
140 to 160
Impact Strength: V-Notched Charpy, J 79
28 to 31
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 280
240 to 270
Tensile Strength: Ultimate (UTS), MPa 440
380 to 430
Tensile Strength: Yield (Proof), MPa 280
200 to 220

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 49
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
72 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 200
110 to 130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15
13 to 15
Strength to Weight: Bending, points 16
15 to 16
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 14
12 to 13

Alloy Composition

Aluminum (Al), % 0.020 to 0.024
0
Carbon (C), % 0 to 0.16
0 to 0.23
Chromium (Cr), % 0 to 0.3
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.6
Iron (Fe), % 96.6 to 99.38
97.1 to 100
Manganese (Mn), % 0.6 to 1.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.080
0 to 0.080
Nickel (Ni), % 0 to 0.5
0 to 0.3
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.012
0 to 0.014
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.55
Sulfur (S), % 0 to 0.0080
0 to 0.045
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0