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EN 1.4658 Stainless Steel vs. S32654 Stainless Steel

Both EN 1.4658 stainless steel and S32654 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
220
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 28
45
Fatigue Strength, MPa 530
450
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
82
Shear Strength, MPa 580
590
Tensile Strength: Ultimate (UTS), MPa 900
850
Tensile Strength: Yield (Proof), MPa 730
490

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 460
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 16
11
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 25
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.5
6.4
Embodied Energy, MJ/kg 61
87
Embodied Water, L/kg 200
220

Common Calculations

PREN (Pitting Resistance) 49
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
330
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
570
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
29
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 4.3
2.9
Thermal Shock Resistance, points 24
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 26 to 29
24 to 25
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0.3 to 0.6
Iron (Fe), % 50.9 to 63.7
38.3 to 45.3
Manganese (Mn), % 0 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 4.0 to 5.0
7.0 to 8.0
Nickel (Ni), % 5.5 to 9.5
21 to 23
Nitrogen (N), % 0.3 to 0.5
0.45 to 0.55
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.0050