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S64512 Stainless Steel vs. EN 1.4000 Stainless Steel

Both S64512 stainless steel and EN 1.4000 stainless steel are iron alloys. They have a very high 95% 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 1.4000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
22
Fatigue Strength, MPa 540
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 700
320
Tensile Strength: Ultimate (UTS), MPa 1140
500
Tensile Strength: Yield (Proof), MPa 890
260

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 750
760
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 28
30
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.3
1.9
Embodied Energy, MJ/kg 47
27
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
91
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
18
Strength to Weight: Bending, points 31
18
Thermal Diffusivity, mm2/s 7.5
8.1
Thermal Shock Resistance, points 42
18

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.080
Chromium (Cr), % 11 to 12.5
12 to 14
Iron (Fe), % 80.6 to 84.7
83.9 to 88
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0.25 to 0.4
0