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EN 1.0038 Steel vs. EN 1.8902 Steel

Both EN 1.0038 steel and EN 1.8902 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0038 steel and the bottom bar is EN 1.8902 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 120
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23 to 25
21
Fatigue Strength, MPa 140 to 160
290
Impact Strength: V-Notched Charpy, J 28 to 31
58
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 240 to 270
380
Tensile Strength: Ultimate (UTS), MPa 380 to 430
600
Tensile Strength: Yield (Proof), MPa 200 to 220
420

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
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
44
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
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 19
24
Embodied Water, L/kg 48
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72 to 88
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 130
470
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 15
21
Strength to Weight: Bending, points 15 to 16
20
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 12 to 13
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0 to 0.23
0 to 0.22
Chromium (Cr), % 0 to 0.3
0 to 0.35
Copper (Cu), % 0 to 0.6
0 to 0.6
Iron (Fe), % 97.1 to 100
95 to 99.05
Manganese (Mn), % 0 to 1.5
1.0 to 1.8
Molybdenum (Mo), % 0 to 0.080
0 to 0.13
Nickel (Ni), % 0 to 0.3
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0 to 0.014
0 to 0.027
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.55
0 to 0.65
Sulfur (S), % 0 to 0.045
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.22