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EN 1.6554 Steel vs. S15700 Stainless Steel

Both EN 1.6554 steel and S15700 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 30 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 1.6554 steel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 280
200 to 460
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 21
1.1 to 29
Fatigue Strength, MPa 380 to 520
370 to 770
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 780 to 930
1180 to 1890
Tensile Strength: Yield (Proof), MPa 550 to 790
500 to 1770

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
870
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.4
Embodied Energy, MJ/kg 22
47
Embodied Water, L/kg 53
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
17 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
640 to 4660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 33
42 to 67
Strength to Weight: Bending, points 24 to 27
32 to 43
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 23 to 27
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0.23 to 0.28
0 to 0.090
Chromium (Cr), % 0.7 to 0.9
14 to 16
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 97.3
69.6 to 76.8
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.3
2.0 to 3.0
Nickel (Ni), % 1.0 to 2.0
6.5 to 7.7
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0 to 0.030
0

Comparable Variants