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S15500 Stainless Steel vs. EN 1.4658 Stainless Steel

Both S15500 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 32 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 S15500 stainless steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 6.8 to 16
28
Fatigue Strength, MPa 350 to 650
530
Impact Strength: V-Notched Charpy, J 7.8 to 53
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
81
Shear Strength, MPa 540 to 870
580
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
900
Tensile Strength: Yield (Proof), MPa 590 to 1310
730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 820
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.5
Embodied Energy, MJ/kg 39
61
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 15
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
32
Strength to Weight: Bending, points 26 to 37
26
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 30 to 50
24

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 14 to 15.5
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 2.5 to 4.5
0 to 1.0
Iron (Fe), % 71.9 to 79.9
50.9 to 63.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 3.5 to 5.5
5.5 to 9.5
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010