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EN 1.4872 Stainless Steel vs. EN 1.4109 Stainless Steel

Both EN 1.4872 stainless steel and EN 1.4109 stainless steel are iron alloys. They have 74% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4872 stainless steel and the bottom bar is EN 1.4109 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
19
Fatigue Strength, MPa 410
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 620
480
Tensile Strength: Ultimate (UTS), MPa 950
770
Tensile Strength: Yield (Proof), MPa 560
420

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1150
820
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 17
8.5
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.2
Embodied Energy, MJ/kg 47
30
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 30
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 780
460
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
28
Strength to Weight: Bending, points 28
24
Thermal Diffusivity, mm2/s 3.9
8.1
Thermal Shock Resistance, points 21
28

Alloy Composition

Carbon (C), % 0.2 to 0.3
0.6 to 0.75
Chromium (Cr), % 24 to 26
14 to 16
Iron (Fe), % 54.2 to 61.6
80.7 to 85
Manganese (Mn), % 8.0 to 10
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.8
Nickel (Ni), % 6.0 to 8.0
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 0.7
Sulfur (S), % 0 to 0.015
0 to 0.015