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S32906 Stainless Steel vs. S39274 Stainless Steel

Both S32906 stainless steel and S39274 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 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 S32906 stainless steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
270
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 28
17
Fatigue Strength, MPa 460
380
Poisson's Ratio 0.27
0.27
Rockwell C Hardness 28
28
Shear Modulus, GPa 81
81
Shear Strength, MPa 550
560
Tensile Strength: Ultimate (UTS), MPa 850
900
Tensile Strength: Yield (Proof), MPa 620
620

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
16
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
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.7
4.3
Embodied Energy, MJ/kg 52
60
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 41
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
140
Resilience: Unit (Modulus of Resilience), kJ/m3 950
940
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
32
Strength to Weight: Bending, points 26
26
Thermal Diffusivity, mm2/s 3.6
4.2
Thermal Shock Resistance, points 23
25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 28 to 30
24 to 26
Copper (Cu), % 0 to 0.8
0.2 to 0.8
Iron (Fe), % 56.6 to 63.6
57 to 65.6
Manganese (Mn), % 0.8 to 1.5
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.6
2.5 to 3.5
Nickel (Ni), % 5.8 to 7.5
6.0 to 8.0
Nitrogen (N), % 0.3 to 0.4
0.24 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5