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EN 1.4874 Stainless Steel vs. EN 1.4557 Stainless Steel

Both EN 1.4874 stainless steel and EN 1.4557 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 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 1.4874 stainless steel and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
40
Fatigue Strength, MPa 180
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 480
560
Tensile Strength: Yield (Proof), MPa 360
300

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 560
420
Maximum Temperature: Mechanical, °C 1150
1090
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
29
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 7.6
5.6
Embodied Energy, MJ/kg 110
76
Embodied Water, L/kg 290
190

Common Calculations

PREN (Pitting Resistance) 34
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
190
Resilience: Unit (Modulus of Resilience), kJ/m3 310
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
19
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 3.3
4.0
Thermal Shock Resistance, points 11
12

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.020
Chromium (Cr), % 19 to 22
19.5 to 20.5
Cobalt (Co), % 18.5 to 22
0
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 23 to 38.9
49.5 to 56.3
Manganese (Mn), % 0 to 2.0
0 to 1.2
Molybdenum (Mo), % 2.5 to 3.0
6.0 to 7.0
Nickel (Ni), % 18 to 22
17.5 to 19.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 2.0 to 3.0
0