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SAE-AISI 1151 Steel vs. EN 1.4646 Stainless Steel

Both SAE-AISI 1151 steel and EN 1.4646 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
34
Fatigue Strength, MPa 260 to 410
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 430 to 480
500
Tensile Strength: Ultimate (UTS), MPa 710 to 800
750
Tensile Strength: Yield (Proof), MPa 390 to 660
430

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
910
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 18
41
Embodied Water, L/kg 46
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1170
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 28
27
Strength to Weight: Bending, points 22 to 24
24
Thermal Shock Resistance, points 22 to 25
16

Alloy Composition

Carbon (C), % 0.48 to 0.55
0.020 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 98.3 to 98.7
59 to 67.3
Manganese (Mn), % 0.7 to 1.0
10.5 to 12.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.080 to 0.13
0 to 0.015