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EN 1.4971 Stainless Steel vs. S35500 Stainless Steel

Both EN 1.4971 stainless steel and S35500 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 30 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 1.4971 stainless steel and the bottom bar is S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
14
Fatigue Strength, MPa 270
690 to 730
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 530
810 to 910
Tensile Strength: Ultimate (UTS), MPa 800
1330 to 1490
Tensile Strength: Yield (Proof), MPa 340
1200 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 570
440
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
16
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
3.5
Embodied Energy, MJ/kg 110
47
Embodied Water, L/kg 300
130

Common Calculations

PREN (Pitting Resistance) 38
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 280
3610 to 4100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
47 to 53
Strength to Weight: Bending, points 23
34 to 37
Thermal Diffusivity, mm2/s 3.4
4.4
Thermal Shock Resistance, points 19
44 to 49

Alloy Composition

Carbon (C), % 0.080 to 0.16
0.1 to 0.15
Chromium (Cr), % 20 to 22.5
15 to 16
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
73.2 to 77.7
Manganese (Mn), % 0 to 2.0
0.5 to 1.3
Molybdenum (Mo), % 2.5 to 3.5
2.5 to 3.2
Nickel (Ni), % 19 to 21
4.0 to 5.0
Niobium (Nb), % 0.75 to 1.3
0.1 to 0.5
Nitrogen (N), % 0.1 to 0.2
0.070 to 0.13
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0