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EN 1.4371 Stainless Steel vs. S64512 Stainless Steel

Both EN 1.4371 stainless steel and S64512 stainless steel are iron alloys. They have 86% 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 EN 1.4371 stainless steel and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45 to 51
17
Fatigue Strength, MPa 290 to 340
540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 520 to 540
700
Tensile Strength: Ultimate (UTS), MPa 740 to 750
1140
Tensile Strength: Yield (Proof), MPa 320 to 340
890

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 880
750
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
28
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 38
47
Embodied Water, L/kg 140
110

Common Calculations

PREN (Pitting Resistance) 20
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
180
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
2020
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
40
Strength to Weight: Bending, points 24
31
Thermal Diffusivity, mm2/s 4.0
7.5
Thermal Shock Resistance, points 16
42

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.15
Chromium (Cr), % 16 to 17.5
11 to 12.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.7 to 74.4
80.6 to 84.7
Manganese (Mn), % 6.0 to 8.0
0.5 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 3.5 to 5.5
2.0 to 3.0
Nitrogen (N), % 0.15 to 0.25
0.010 to 0.050
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4