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EN 1.4854 Stainless Steel vs. EN 1.4971 Stainless Steel

Both EN 1.4854 stainless steel and EN 1.4971 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 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 1.4854 stainless steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
240
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
34
Fatigue Strength, MPa 310
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
81
Shear Strength, MPa 520
530
Tensile Strength: Ultimate (UTS), MPa 750
800
Tensile Strength: Yield (Proof), MPa 340
340

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Corrosion, °C 450
570
Maximum Temperature: Mechanical, °C 1170
1100
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 11
13
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 34
70
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 5.7
7.6
Embodied Energy, MJ/kg 81
110
Embodied Water, L/kg 220
300

Common Calculations

PREN (Pitting Resistance) 28
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
220
Resilience: Unit (Modulus of Resilience), kJ/m3 280
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 2.9
3.4
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.080 to 0.16
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 24 to 26
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Iron (Fe), % 33.6 to 40.6
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), % 34 to 36
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0.12 to 0.2
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.2 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