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S15500 Stainless Steel vs. EN 1.7711 Steel

Both S15500 stainless steel and EN 1.7711 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 1.7711 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
210 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8 to 16
16 to 22
Fatigue Strength, MPa 350 to 650
290 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 540 to 870
440 to 570
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
690 to 930
Tensile Strength: Yield (Proof), MPa 590 to 1310
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 820
430
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
33
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 39
32
Embodied Water, L/kg 130
54

Common Calculations

PREN (Pitting Resistance) 15
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
130 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
430 to 1690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
24 to 33
Strength to Weight: Bending, points 26 to 37
22 to 27
Thermal Diffusivity, mm2/s 4.6
8.9
Thermal Shock Resistance, points 30 to 50
24 to 32

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0 to 0.070
0.36 to 0.44
Chromium (Cr), % 14 to 15.5
0.9 to 1.2
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
96 to 97.5
Manganese (Mn), % 0 to 1.0
0.45 to 0.85
Molybdenum (Mo), % 0
0.5 to 0.65
Nickel (Ni), % 3.5 to 5.5
0
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35