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S32654 Stainless Steel vs. AISI 304H Stainless Steel

Both S32654 stainless steel and AISI 304H stainless steel are iron alloys. Both are furnished in the annealed condition. They have 71% 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 S32654 stainless steel and the bottom bar is AISI 304H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
40
Fatigue Strength, MPa 450
200
Poisson's Ratio 0.28
0.28
Reduction in Area, % 46
51
Shear Modulus, GPa 82
77
Shear Strength, MPa 590
400
Tensile Strength: Ultimate (UTS), MPa 850
580
Tensile Strength: Yield (Proof), MPa 490
230

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
17
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 34
15
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.4
3.0
Embodied Energy, MJ/kg 87
43
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 57
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
190
Resilience: Unit (Modulus of Resilience), kJ/m3 570
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 2.9
4.5
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0 to 0.020
0.040 to 0.1
Chromium (Cr), % 24 to 25
18 to 20
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 45.3
66.6 to 74
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
8.0 to 10.5
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.0050
0 to 0.030