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S45000 Stainless Steel vs. SAE-AISI 1137 Steel

Both S45000 stainless steel and SAE-AISI 1137 steel are iron alloys. They have 76% 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 S45000 stainless steel and the bottom bar is SAE-AISI 1137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8 to 14
11 to 17
Fatigue Strength, MPa 330 to 650
250 to 400
Poisson's Ratio 0.28
0.29
Reduction in Area, % 22 to 50
34 to 39
Shear Modulus, GPa 76
73
Shear Strength, MPa 590 to 830
430 to 460
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
700 to 760
Tensile Strength: Yield (Proof), MPa 580 to 1310
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
19
Embodied Water, L/kg 130
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
360 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 35 to 50
25 to 27
Strength to Weight: Bending, points 28 to 36
22 to 24
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 33 to 47
21 to 23

Alloy Composition

Carbon (C), % 0 to 0.050
0.32 to 0.39
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
97.8 to 98.3
Manganese (Mn), % 0 to 1.0
1.4 to 1.7
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 5.0 to 7.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13