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EN 1.4872 Stainless Steel vs. EN 1.4961 Stainless Steel

Both EN 1.4872 stainless steel and EN 1.4961 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 82% 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 1.4961 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
39
Fatigue Strength, MPa 410
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 620
420
Tensile Strength: Ultimate (UTS), MPa 950
610
Tensile Strength: Yield (Proof), MPa 560
220

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
510
Maximum Temperature: Mechanical, °C 1150
890
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
16

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
21
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 3.3
4.0
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 30
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
190
Resilience: Unit (Modulus of Resilience), kJ/m3 780
120
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
22
Strength to Weight: Bending, points 28
20
Thermal Diffusivity, mm2/s 3.9
4.3
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0.2 to 0.3
0.040 to 0.1
Chromium (Cr), % 24 to 26
15 to 17
Iron (Fe), % 54.2 to 61.6
65.6 to 72.3
Manganese (Mn), % 8.0 to 10
0 to 1.5
Nickel (Ni), % 6.0 to 8.0
12 to 14
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015