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EN 1.1203 Steel vs. SAE-AISI 1132 Steel

Both EN 1.1203 steel and SAE-AISI 1132 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.1203 steel and the bottom bar is SAE-AISI 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 230
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 15
14 to 18
Fatigue Strength, MPa 210 to 310
240 to 380
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 420 to 480
400 to 440
Tensile Strength: Ultimate (UTS), MPa 690 to 780
640 to 720
Tensile Strength: Yield (Proof), MPa 340 to 480
350 to 590

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 48
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
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 47
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 69 to 100
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 610
330 to 940
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
23 to 25
Strength to Weight: Bending, points 22 to 24
21 to 23
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 22 to 25
19 to 22

Alloy Composition

Carbon (C), % 0.52 to 0.6
0.24 to 0.34
Chromium (Cr), % 0 to 0.4
0
Iron (Fe), % 97.1 to 98.9
97.8 to 98.3
Manganese (Mn), % 0.6 to 0.9
1.4 to 1.7
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0.080 to 0.13