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EN 1.4874 Stainless Steel vs. EN 1.4378 Stainless Steel

Both EN 1.4874 stainless steel and EN 1.4378 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 28 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 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
14 to 34
Fatigue Strength, MPa 180
340 to 550
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 480
760 to 1130
Tensile Strength: Yield (Proof), MPa 360
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 560
410
Maximum Temperature: Mechanical, °C 1150
910
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
12
Density, g/cm3 8.4
7.6
Embodied Carbon, kg CO2/kg material 7.6
2.7
Embodied Energy, MJ/kg 110
39
Embodied Water, L/kg 290
150

Common Calculations

PREN (Pitting Resistance) 34
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 310
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
28 to 41
Strength to Weight: Bending, points 16
24 to 31
Thermal Shock Resistance, points 11
16 to 23

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.080
Chromium (Cr), % 19 to 22
17 to 19
Cobalt (Co), % 18.5 to 22
0
Iron (Fe), % 23 to 38.9
61.2 to 69
Manganese (Mn), % 0 to 2.0
11.5 to 14.5
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 18 to 22
2.3 to 3.7
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0