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AISI 403 Stainless Steel vs. S40975 Stainless Steel

Both AISI 403 stainless steel and S40975 stainless steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 403 stainless steel and the bottom bar is S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 25
22
Fatigue Strength, MPa 200 to 340
210
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 83
81
Shear Modulus, GPa 76
75
Shear Strength, MPa 340 to 480
290
Tensile Strength: Ultimate (UTS), MPa 530 to 780
460
Tensile Strength: Yield (Proof), MPa 280 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 740
710
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 28
26
Thermal Expansion, µm/m-K 9.9
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.0
Embodied Energy, MJ/kg 27
28
Embodied Water, L/kg 99
95

Common Calculations

PREN (Pitting Resistance) 12
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
93
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 28
17
Strength to Weight: Bending, points 19 to 24
17
Thermal Diffusivity, mm2/s 7.6
7.0
Thermal Shock Resistance, points 20 to 29
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 11.5 to 13
10.5 to 11.7
Iron (Fe), % 84.7 to 88.5
84.4 to 89
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 0 to 0.6
0.5 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.75