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SAE-AISI 1151 Steel vs. EN 1.4589 Stainless Steel

Both SAE-AISI 1151 steel and EN 1.4589 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1151 steel and the bottom bar is EN 1.4589 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
17
Fatigue Strength, MPa 260 to 410
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 430 to 480
400
Tensile Strength: Ultimate (UTS), MPa 710 to 800
650
Tensile Strength: Yield (Proof), MPa 390 to 660
440

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
810
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.4
Embodied Energy, MJ/kg 18
34
Embodied Water, L/kg 46
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 100
96
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1170
490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 28
23
Strength to Weight: Bending, points 22 to 24
22
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 22 to 25
23

Alloy Composition

Carbon (C), % 0.48 to 0.55
0 to 0.080
Chromium (Cr), % 0
13.5 to 15.5
Iron (Fe), % 98.3 to 98.7
78.2 to 85
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 1.2
Nickel (Ni), % 0
1.0 to 2.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.080 to 0.13
0 to 0.015
Titanium (Ti), % 0
0.3 to 0.5