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S45000 Stainless Steel vs. S32760 Stainless Steel

Both S45000 stainless steel and S32760 stainless steel are iron alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is S45000 stainless steel and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8 to 14
28
Fatigue Strength, MPa 330 to 650
450
Poisson's Ratio 0.28
0.27
Reduction in Area, % 22 to 50
51
Rockwell C Hardness 28 to 44
24
Shear Modulus, GPa 76
80
Shear Strength, MPa 590 to 830
550
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
850
Tensile Strength: Yield (Proof), MPa 580 to 1310
620

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 400
450
Maximum Temperature: Mechanical, °C 840
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
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
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 39
57
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 17
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
220
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 35 to 50
30
Strength to Weight: Bending, points 28 to 36
25
Thermal Diffusivity, mm2/s 4.5
4.0
Thermal Shock Resistance, points 33 to 47
23

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 14 to 16
24 to 26
Copper (Cu), % 1.3 to 1.8
0.5 to 1.0
Iron (Fe), % 72.1 to 79.3
57.6 to 65.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.5 to 1.0
3.0 to 4.0
Nickel (Ni), % 5.0 to 7.0
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
0.5 to 1.0