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EN 1.4557 Stainless Steel vs. EN 1.4874 Stainless Steel

Both EN 1.4557 stainless steel and EN 1.4874 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 1.4557 stainless steel and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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