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EN 1.4971 Stainless Steel vs. S45000 Stainless Steel

Both EN 1.4971 stainless steel and S45000 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 31 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 S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
280 to 410
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
6.8 to 14
Fatigue Strength, MPa 270
330 to 650
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 530
590 to 830
Tensile Strength: Ultimate (UTS), MPa 800
980 to 1410
Tensile Strength: Yield (Proof), MPa 340
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 570
400
Maximum Temperature: Mechanical, °C 1100
840
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
13
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
2.8
Embodied Energy, MJ/kg 110
39
Embodied Water, L/kg 300
130

Common Calculations

PREN (Pitting Resistance) 38
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
94 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 280
850 to 4400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
35 to 50
Strength to Weight: Bending, points 23
28 to 36
Thermal Diffusivity, mm2/s 3.4
4.5
Thermal Shock Resistance, points 19
33 to 47

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.050
Chromium (Cr), % 20 to 22.5
14 to 16
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
1.3 to 1.8
Iron (Fe), % 24.3 to 37.1
72.1 to 79.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0.5 to 1.0
Nickel (Ni), % 19 to 21
5.0 to 7.0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0