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AISI 403 Stainless Steel vs. SAE-AISI 1137 Steel

Both AISI 403 stainless steel and SAE-AISI 1137 steel are iron alloys. They have 87% 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 403 stainless steel and the bottom bar is SAE-AISI 1137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 25
11 to 17
Fatigue Strength, MPa 200 to 340
250 to 400
Poisson's Ratio 0.28
0.29
Reduction in Area, % 47 to 50
34 to 39
Shear Modulus, GPa 76
73
Shear Strength, MPa 340 to 480
430 to 460
Tensile Strength: Ultimate (UTS), MPa 530 to 780
700 to 760
Tensile Strength: Yield (Proof), MPa 280 to 570
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
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 28
51
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 27
19
Embodied Water, L/kg 99
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
360 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 28
25 to 27
Strength to Weight: Bending, points 19 to 24
22 to 24
Thermal Diffusivity, mm2/s 7.6
14
Thermal Shock Resistance, points 20 to 29
21 to 23

Alloy Composition

Carbon (C), % 0 to 0.15
0.32 to 0.39
Chromium (Cr), % 11.5 to 13
0
Iron (Fe), % 84.7 to 88.5
97.8 to 98.3
Manganese (Mn), % 0 to 1.0
1.4 to 1.7
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13