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S64512 Stainless Steel vs. EN 1.6311 Steel

Both S64512 stainless steel and EN 1.6311 steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S64512 stainless steel and the bottom bar is EN 1.6311 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
19
Fatigue Strength, MPa 540
340
Impact Strength: V-Notched Charpy, J 47
51
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 700
400
Tensile Strength: Ultimate (UTS), MPa 1140
650
Tensile Strength: Yield (Proof), MPa 890
490

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 750
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
1.6
Embodied Energy, MJ/kg 47
22
Embodied Water, L/kg 110
51

Common Calculations

PREN (Pitting Resistance) 18
2.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
23
Strength to Weight: Bending, points 31
21
Thermal Diffusivity, mm2/s 7.5
10
Thermal Shock Resistance, points 42
19

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.15 to 0.23
Chromium (Cr), % 11 to 12.5
0 to 0.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 80.6 to 84.7
95.9 to 98
Manganese (Mn), % 0.5 to 0.9
1.0 to 1.5
Molybdenum (Mo), % 1.5 to 2.0
0.45 to 0.6
Nickel (Ni), % 2.0 to 3.0
0.4 to 0.8
Nitrogen (N), % 0.010 to 0.050
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035
Vanadium (V), % 0.25 to 0.4
0 to 0.020