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EN 1.4460 Stainless Steel vs. EN 1.4971 Stainless Steel

Both EN 1.4460 stainless steel and EN 1.4971 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 61% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4460 stainless steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
240
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 21
34
Fatigue Strength, MPa 330
270
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
81
Shear Strength, MPa 470
530
Tensile Strength: Ultimate (UTS), MPa 750
800
Tensile Strength: Yield (Proof), MPa 510
340

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
570
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 18
70
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 3.4
7.6
Embodied Energy, MJ/kg 48
110
Embodied Water, L/kg 180
300

Common Calculations

PREN (Pitting Resistance) 34
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
220
Resilience: Unit (Modulus of Resilience), kJ/m3 640
280
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 4.0
3.4
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0 to 0.050
0.080 to 0.16
Chromium (Cr), % 25 to 28
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Iron (Fe), % 60.2 to 69.2
24.3 to 37.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.3 to 2.0
2.5 to 3.5
Nickel (Ni), % 4.5 to 6.5
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0.050 to 0.2
0.1 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
2.0 to 3.0