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EN 1.4823 Stainless Steel vs. EN 1.4971 Stainless Steel

Both EN 1.4823 stainless steel and EN 1.4971 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4823 stainless steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 3.4
34
Fatigue Strength, MPa 130
270
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 620
800
Tensile Strength: Yield (Proof), MPa 290
340

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 450
570
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 16
70
Density, g/cm3 7.6
8.4
Embodied Carbon, kg CO2/kg material 3.0
7.6
Embodied Energy, MJ/kg 43
110
Embodied Water, L/kg 170
300

Common Calculations

PREN (Pitting Resistance) 27
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
220
Resilience: Unit (Modulus of Resilience), kJ/m3 200
280
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 4.5
3.4
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.080 to 0.16
Chromium (Cr), % 25 to 28
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Iron (Fe), % 60.9 to 70.7
24.3 to 37.1
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.5
Nickel (Ni), % 3.0 to 6.0
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
2.0 to 3.0