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EN 1.4971 Stainless Steel vs. S42300 Stainless Steel

Both EN 1.4971 stainless steel and S42300 stainless steel are iron alloys. They have 47% 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 S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
330
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
9.1
Fatigue Strength, MPa 270
440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 530
650
Tensile Strength: Ultimate (UTS), MPa 800
1100
Tensile Strength: Yield (Proof), MPa 340
850

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 570
380
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
25
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
3.2
Embodied Energy, MJ/kg 110
44
Embodied Water, L/kg 300
110

Common Calculations

PREN (Pitting Resistance) 38
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
93
Resilience: Unit (Modulus of Resilience), kJ/m3 280
1840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
39
Strength to Weight: Bending, points 23
30
Thermal Diffusivity, mm2/s 3.4
6.8
Thermal Shock Resistance, points 19
40

Alloy Composition

Carbon (C), % 0.080 to 0.16
0.27 to 0.32
Chromium (Cr), % 20 to 22.5
11 to 12
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
82 to 85.1
Manganese (Mn), % 0 to 2.0
1.0 to 1.4
Molybdenum (Mo), % 2.5 to 3.5
2.5 to 3.0
Nickel (Ni), % 19 to 21
0 to 0.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0.2 to 0.3