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EN 1.4872 Stainless Steel vs. EN 1.4412 Stainless Steel

Both EN 1.4872 stainless steel and EN 1.4412 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 85% of their average alloy composition in common. There are 32 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 1.4872 stainless steel and the bottom bar is EN 1.4412 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
34
Fatigue Strength, MPa 410
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 950
490
Tensile Strength: Yield (Proof), MPa 560
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1150
1000
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
20
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 3.3
4.1
Embodied Energy, MJ/kg 47
56
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 30
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
140
Resilience: Unit (Modulus of Resilience), kJ/m3 780
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
17
Strength to Weight: Bending, points 28
18
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.070
Chromium (Cr), % 24 to 26
18 to 20
Iron (Fe), % 54.2 to 61.6
60.4 to 69
Manganese (Mn), % 8.0 to 10
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 6.0 to 8.0
10 to 13
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030