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S44627 Stainless Steel vs. S32202 Stainless Steel

Both S44627 stainless steel and S32202 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. There are 33 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 S44627 stainless steel and the bottom bar is S32202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
34
Fatigue Strength, MPa 200
400
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
79
Shear Strength, MPa 310
490
Tensile Strength: Ultimate (UTS), MPa 490
730
Tensile Strength: Yield (Proof), MPa 300
510

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 470
440
Maximum Temperature: Mechanical, °C 1100
1030
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
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
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 41
37
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 30
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 220
650
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 25 to 27.5
21.5 to 24
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 69.2 to 74.2
69.4 to 77.3
Manganese (Mn), % 0 to 0.4
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.45
Nickel (Ni), % 0 to 0.5
1.0 to 2.8
Niobium (Nb), % 0.050 to 0.2
0
Nitrogen (N), % 0 to 0.015
0.18 to 0.26
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010