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S38815 Stainless Steel vs. SAE-AISI 1151 Steel

Both S38815 stainless steel and SAE-AISI 1151 steel are iron alloys. They have 62% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is SAE-AISI 1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
11 to 17
Fatigue Strength, MPa 230
260 to 410
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
72
Shear Strength, MPa 410
430 to 480
Tensile Strength: Ultimate (UTS), MPa 610
710 to 800
Tensile Strength: Yield (Proof), MPa 290
390 to 660

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 860
400
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 54
18
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
86 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 220
400 to 1170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
25 to 28
Strength to Weight: Bending, points 21
22 to 24
Thermal Shock Resistance, points 15
22 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.48 to 0.55
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
98.3 to 98.7
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 5.5 to 6.5
0
Sulfur (S), % 0 to 0.020
0.080 to 0.13