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EN 1.0033 Steel vs. EN 1.0402 Steel

Both EN 1.0033 steel and EN 1.0402 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0033 steel and the bottom bar is EN 1.0402 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86 to 96
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 32
24
Fatigue Strength, MPa 120 to 140
170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 200
290
Tensile Strength: Ultimate (UTS), MPa 300 to 330
460
Tensile Strength: Yield (Proof), MPa 150 to 200
240

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
50
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 45
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48 to 83
94
Resilience: Unit (Modulus of Resilience), kJ/m3 63 to 100
150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 10 to 12
16
Strength to Weight: Bending, points 13 to 14
17
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 9.4 to 10
15

Alloy Composition

Carbon (C), % 0 to 0.11
0.17 to 0.24
Chromium (Cr), % 0
0 to 0.4
Iron (Fe), % 98.8 to 100
97.7 to 99.43
Manganese (Mn), % 0 to 0.7
0.4 to 0.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.045
0 to 0.045