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EN 1.4512 Stainless Steel vs. EN 1.4872 Stainless Steel

Both EN 1.4512 stainless steel and EN 1.4872 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4512 stainless steel and the bottom bar is EN 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 28
28
Fatigue Strength, MPa 180
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 310
620
Tensile Strength: Ultimate (UTS), MPa 470
950
Tensile Strength: Yield (Proof), MPa 240
560

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 720
1150
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
17
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.0
3.3
Embodied Energy, MJ/kg 27
47
Embodied Water, L/kg 95
180

Common Calculations

PREN (Pitting Resistance) 12
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230
Resilience: Unit (Modulus of Resilience), kJ/m3 150
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 17
35
Strength to Weight: Bending, points 17
28
Thermal Diffusivity, mm2/s 6.7
3.9
Thermal Shock Resistance, points 17
21

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.3
Chromium (Cr), % 10.5 to 12.5
24 to 26
Iron (Fe), % 84.8 to 89.5
54.2 to 61.6
Manganese (Mn), % 0 to 1.0
8.0 to 10
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 0.65
0