MakeItFrom.com
Menu (ESC)

EN 1.7003 Steel vs. EN 1.1233 Steel

Both EN 1.7003 steel and EN 1.1233 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.7003 steel and the bottom bar is EN 1.1233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 200
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 520 to 1780
680 to 760

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 48
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 63
24 to 27
Strength to Weight: Bending, points 18 to 42
22 to 24
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 15 to 53
22 to 24

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.35 to 0.42
0.52 to 0.6
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97.7 to 98.8
98 to 99.1
Manganese (Mn), % 0.5 to 0.8
0.9 to 1.2
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.030