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S45000 Stainless Steel vs. S32001 Stainless Steel

Both S45000 stainless steel and S32001 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S45000 stainless steel and the bottom bar is S32001 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8 to 14
28
Fatigue Strength, MPa 330 to 650
370
Poisson's Ratio 0.28
0.28
Rockwell C Hardness 28 to 44
22
Shear Modulus, GPa 76
78
Shear Strength, MPa 590 to 830
450
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
690
Tensile Strength: Yield (Proof), MPa 580 to 1310
510

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 400
430
Maximum Temperature: Mechanical, °C 840
970
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 39
37
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 17
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
180
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 35 to 50
25
Strength to Weight: Bending, points 28 to 36
23
Thermal Diffusivity, mm2/s 4.5
4.0
Thermal Shock Resistance, points 33 to 47
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 14 to 16
19.5 to 21.5
Copper (Cu), % 1.3 to 1.8
0 to 1.0
Iron (Fe), % 72.1 to 79.3
66.6 to 75.5
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 0.5 to 1.0
0 to 0.6
Nickel (Ni), % 5.0 to 7.0
1.0 to 3.0
Nitrogen (N), % 0
0.050 to 0.17
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030