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EN 1.6570 Steel vs. S15500 Stainless Steel

Both EN 1.6570 steel and S15500 stainless steel are iron alloys. They have 80% 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 EN 1.6570 steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 340
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
6.8 to 16
Fatigue Strength, MPa 500 to 660
350 to 650
Impact Strength: V-Notched Charpy, J 40 to 48
7.8 to 53
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
890 to 1490
Tensile Strength: Yield (Proof), MPa 760 to 1060
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
820
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.7
Embodied Energy, MJ/kg 23
39
Embodied Water, L/kg 56
130

Common Calculations

PREN (Pitting Resistance) 2.5
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
890 to 4460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32 to 40
32 to 53
Strength to Weight: Bending, points 27 to 31
26 to 37
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 27 to 33
30 to 50

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.070
Chromium (Cr), % 1.0 to 1.4
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 94 to 96.2
71.9 to 79.9
Manganese (Mn), % 0.6 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.5
0
Nickel (Ni), % 1.6 to 2.1
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030

Comparable Variants