MakeItFrom.com
Menu (ESC)

SAE-AISI 1137 Steel vs. EN 1.1221 Steel

Both SAE-AISI 1137 steel and EN 1.1221 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 SAE-AISI 1137 steel and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
210 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
10 to 21
Fatigue Strength, MPa 250 to 400
240 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 430 to 460
450 to 520
Tensile Strength: Ultimate (UTS), MPa 700 to 760
730 to 870
Tensile Strength: Yield (Proof), MPa 370 to 650
390 to 550

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
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
48
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 48
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 100
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 1130
410 to 800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 27
26 to 31
Strength to Weight: Bending, points 22 to 24
23 to 26
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 21 to 23
23 to 28

Alloy Composition

Carbon (C), % 0.32 to 0.39
0.57 to 0.65
Chromium (Cr), % 0
0 to 0.4
Iron (Fe), % 97.8 to 98.3
97.1 to 98.8
Manganese (Mn), % 1.4 to 1.7
0.6 to 0.9
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0.080 to 0.13
0 to 0.035