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S32003 Stainless Steel vs. S82013 Stainless Steel

Both S32003 stainless steel and S82013 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is S32003 stainless steel and the bottom bar is S82013 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
34
Fatigue Strength, MPa 370
400
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 27
27
Shear Modulus, GPa 79
78
Shear Strength, MPa 480
470
Tensile Strength: Ultimate (UTS), MPa 730
710
Tensile Strength: Yield (Proof), MPa 510
500

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 1010
970
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
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 14
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.4
Embodied Energy, MJ/kg 42
34
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 29
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
220
Resilience: Unit (Modulus of Resilience), kJ/m3 660
640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 21
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 19.5 to 22.5
19.5 to 22
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 68.2 to 75.9
70.5 to 77.1
Manganese (Mn), % 0 to 2.0
2.5 to 3.5
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 3.0 to 4.0
0.5 to 1.5
Nitrogen (N), % 0.14 to 0.2
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.9
Sulfur (S), % 0 to 0.020
0 to 0.030