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EN 1.7108 Steel vs. EN 1.1233 Steel

Both EN 1.7108 steel and EN 1.1233 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.7108 steel and the bottom bar is EN 1.1233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 510
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 670 to 2070
680 to 760

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 47
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 75
24 to 27
Strength to Weight: Bending, points 22 to 47
22 to 24
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 20 to 63
22 to 24

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.57 to 0.65
0.52 to 0.6
Chromium (Cr), % 0.2 to 0.45
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 95.9 to 96.9
98 to 99.1
Manganese (Mn), % 0.7 to 1.0
0.9 to 1.2
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.6 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.030

Comparable Variants