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AISI 415 Stainless Steel vs. SAE-AISI 1151 Steel

Both AISI 415 stainless steel and SAE-AISI 1151 steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 415 stainless steel and the bottom bar is SAE-AISI 1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11 to 17
Fatigue Strength, MPa 430
260 to 410
Poisson's Ratio 0.28
0.29
Reduction in Area, % 50
34 to 40
Shear Modulus, GPa 76
72
Shear Strength, MPa 550
430 to 480
Tensile Strength: Ultimate (UTS), MPa 900
710 to 800
Tensile Strength: Yield (Proof), MPa 700
390 to 660

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 780
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 35
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
86 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1250
400 to 1170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
25 to 28
Strength to Weight: Bending, points 26
22 to 24
Thermal Diffusivity, mm2/s 6.4
14
Thermal Shock Resistance, points 33
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.050
0.48 to 0.55
Chromium (Cr), % 11.5 to 14
0
Iron (Fe), % 77.8 to 84
98.3 to 98.7
Manganese (Mn), % 0.5 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 3.5 to 5.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13