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EN 1.4841 Stainless Steel vs. EN 1.4872 Stainless Steel

Both EN 1.4841 stainless steel and EN 1.4872 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4841 stainless steel and the bottom bar is EN 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 32
28
Fatigue Strength, MPa 200
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 430
620
Tensile Strength: Ultimate (UTS), MPa 650
950
Tensile Strength: Yield (Proof), MPa 260
560

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1150
1150
Melting Completion (Liquidus), °C 1380
1390
Melting Onset (Solidus), °C 1340
1340
Specific Heat Capacity, J/kg-K 490
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 25
17
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 4.3
3.3
Embodied Energy, MJ/kg 62
47
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 26
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
230
Resilience: Unit (Modulus of Resilience), kJ/m3 170
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 23
35
Strength to Weight: Bending, points 21
28
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.2
0.2 to 0.3
Chromium (Cr), % 24 to 26
24 to 26
Iron (Fe), % 47.1 to 55.5
54.2 to 61.6
Manganese (Mn), % 0 to 2.0
8.0 to 10
Nickel (Ni), % 19 to 22
6.0 to 8.0
Nitrogen (N), % 0 to 0.1
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015