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EN 1.4864 Stainless Steel vs. EN 1.4971 Stainless Steel

Both EN 1.4864 stainless steel and EN 1.4971 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 68% of their average alloy composition in common. There are 31 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 1.4864 stainless steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
240
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 33
34
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
81
Shear Strength, MPa 430
530
Tensile Strength: Ultimate (UTS), MPa 650
800
Tensile Strength: Yield (Proof), MPa 260
340

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 410
570
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 13
13
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 30
70
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 5.3
7.6
Embodied Energy, MJ/kg 75
110
Embodied Water, L/kg 180
300

Common Calculations

PREN (Pitting Resistance) 17
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
220
Resilience: Unit (Modulus of Resilience), kJ/m3 170
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 3.3
3.4
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0 to 0.15
0.080 to 0.16
Chromium (Cr), % 15 to 17
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Iron (Fe), % 41.7 to 51
24.3 to 37.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 33 to 37
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0 to 0.1
0.1 to 0.2
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
Tungsten (W), % 0
2.0 to 3.0