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EN 1.4971 Stainless Steel vs. EN 1.4652 Stainless Steel

Both EN 1.4971 stainless steel and EN 1.4652 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 76% 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 1.4971 stainless steel and the bottom bar is EN 1.4652 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
270
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 34
45
Fatigue Strength, MPa 270
450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
81
Shear Strength, MPa 530
610
Tensile Strength: Ultimate (UTS), MPa 800
880
Tensile Strength: Yield (Proof), MPa 340
490

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 570
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
9.8
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 70
34
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 7.6
6.4
Embodied Energy, MJ/kg 110
87
Embodied Water, L/kg 300
220

Common Calculations

PREN (Pitting Resistance) 38
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
340
Resilience: Unit (Modulus of Resilience), kJ/m3 280
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
30
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 3.4
2.6
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.020
Chromium (Cr), % 20 to 22.5
23 to 25
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 24.3 to 37.1
38.3 to 46.3
Manganese (Mn), % 0 to 2.0
2.0 to 4.0
Molybdenum (Mo), % 2.5 to 3.5
7.0 to 8.0
Nickel (Ni), % 19 to 21
21 to 23
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0.45 to 0.55
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0050
Tungsten (W), % 2.0 to 3.0
0