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EN 1.1122 Steel vs. SAE-AISI 1527 Steel

Both EN 1.1122 steel and SAE-AISI 1527 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.1122 steel and the bottom bar is SAE-AISI 1527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 130
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 21
13 to 21
Fatigue Strength, MPa 170 to 260
220 to 350
Poisson's Ratio 0.29
0.29
Reduction in Area, % 63 to 73
40 to 45
Shear Modulus, GPa 73
73
Shear Strength, MPa 240 to 290
370 to 390
Tensile Strength: Ultimate (UTS), MPa 340 to 460
590 to 640
Tensile Strength: Yield (Proof), MPa 240 to 370
320 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
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
52
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
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
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 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 89
82 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 360
260 to 800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12 to 16
21 to 23
Strength to Weight: Bending, points 14 to 17
20 to 21
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 11 to 15
19 to 20

Alloy Composition

Carbon (C), % 0.080 to 0.12
0.22 to 0.29
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.7 to 99.62
98.1 to 98.6
Manganese (Mn), % 0.3 to 0.6
1.2 to 1.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0 to 0.050

Comparable Variants