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S15500 Stainless Steel vs. EN 1.4558 Stainless Steel

Both S15500 stainless steel and EN 1.4558 stainless steel are iron alloys. They have 64% 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 1.4558 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
39
Fatigue Strength, MPa 350 to 650
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 540 to 870
350
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
510
Tensile Strength: Yield (Proof), MPa 590 to 1310
200

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
480
Maximum Temperature: Mechanical, °C 820
1100
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.5
Embodied Energy, MJ/kg 39
77
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 15
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
18
Strength to Weight: Bending, points 26 to 37
18
Thermal Diffusivity, mm2/s 4.6
3.1
Thermal Shock Resistance, points 30 to 50
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.45
Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 14 to 15.5
20 to 23
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
39.2 to 47.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 3.5 to 5.5
32 to 35
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.6