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EN 1.7710 Steel vs. S64512 Stainless Steel

Both EN 1.7710 steel and S64512 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7710 steel and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 320
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 11
17
Fatigue Strength, MPa 500 to 620
540
Impact Strength: V-Notched Charpy, J 30
47
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
1140
Tensile Strength: Yield (Proof), MPa 800 to 1060
890

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 440
750
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
28
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.3
Embodied Energy, MJ/kg 30
47
Embodied Water, L/kg 57
110

Common Calculations

PREN (Pitting Resistance) 4.5
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
2020
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33 to 38
40
Strength to Weight: Bending, points 27 to 30
31
Thermal Diffusivity, mm2/s 11
7.5
Thermal Shock Resistance, points 27 to 31
42

Alloy Composition

Carbon (C), % 0.12 to 0.18
0.080 to 0.15
Chromium (Cr), % 1.3 to 1.8
11 to 12.5
Iron (Fe), % 95.1 to 97
80.6 to 84.7
Manganese (Mn), % 0.6 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0.8 to 1.0
1.5 to 2.0
Nickel (Ni), % 0
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0.15 to 0.25
0.25 to 0.4