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EN 1.4864 Stainless Steel vs. EN 1.4941 Stainless Steel

Both EN 1.4864 stainless steel and EN 1.4941 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 74% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4864 stainless steel and the bottom bar is EN 1.4941 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 33
39
Fatigue Strength, MPa 200
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 430
400
Tensile Strength: Ultimate (UTS), MPa 650
590
Tensile Strength: Yield (Proof), MPa 260
210

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 410
520
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 30
16
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
3.3
Embodied Energy, MJ/kg 75
47
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 17
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
180
Resilience: Unit (Modulus of Resilience), kJ/m3 170
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 3.3
4.3
Thermal Shock Resistance, points 17
13

Alloy Composition

Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0 to 0.15
0.040 to 0.080
Chromium (Cr), % 15 to 17
17 to 19
Iron (Fe), % 41.7 to 51
65.1 to 73.6
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 33 to 37
9.0 to 12
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.8