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S35125 Stainless Steel vs. SAE-AISI 1151 Steel

Both S35125 stainless steel and SAE-AISI 1151 steel are iron alloys. They have 42% 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 S35125 stainless steel and the bottom bar is SAE-AISI 1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
11 to 17
Fatigue Strength, MPa 200
260 to 410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 370
430 to 480
Tensile Strength: Ultimate (UTS), MPa 540
710 to 800
Tensile Strength: Yield (Proof), MPa 230
390 to 660

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
10
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
1.4
Embodied Energy, MJ/kg 89
18
Embodied Water, L/kg 210
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
86 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
400 to 1170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
25 to 28
Strength to Weight: Bending, points 18
22 to 24
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 12
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.1
0.48 to 0.55
Chromium (Cr), % 20 to 23
0
Iron (Fe), % 36.2 to 45.8
98.3 to 98.7
Manganese (Mn), % 1.0 to 1.5
0.7 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 31 to 35
0
Niobium (Nb), % 0.25 to 0.6
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13