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EN 1.4872 Stainless Steel vs. EN 1.4552 Stainless Steel

Both EN 1.4872 stainless steel and EN 1.4552 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 1.4552 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
29
Fatigue Strength, MPa 410
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 950
510
Tensile Strength: Yield (Proof), MPa 560
200

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
490
Maximum Temperature: Mechanical, °C 1150
960
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
19
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.6
Embodied Energy, MJ/kg 47
52
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 30
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 780
100
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
18
Strength to Weight: Bending, points 28
18
Thermal Diffusivity, mm2/s 3.9
4.1
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
63.9 to 73
Manganese (Mn), % 8.0 to 10
0 to 1.5
Nickel (Ni), % 6.0 to 8.0
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
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