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EN 1.4872 Stainless Steel vs. EN 1.4378 Stainless Steel

Both EN 1.4872 stainless steel and EN 1.4378 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 29 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 1.4872 stainless steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
14 to 34
Fatigue Strength, MPa 410
340 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 620
510 to 680
Tensile Strength: Ultimate (UTS), MPa 950
760 to 1130
Tensile Strength: Yield (Proof), MPa 560
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1150
910
Melting Completion (Liquidus), °C 1390
1390
Melting Onset (Solidus), °C 1340
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
12
Density, g/cm3 7.6
7.6
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 30
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 780
470 to 2370
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
28 to 41
Strength to Weight: Bending, points 28
24 to 31
Thermal Shock Resistance, points 21
16 to 23

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.080
Chromium (Cr), % 24 to 26
17 to 19
Iron (Fe), % 54.2 to 61.6
61.2 to 69
Manganese (Mn), % 8.0 to 10
11.5 to 14.5
Nickel (Ni), % 6.0 to 8.0
2.3 to 3.7
Nitrogen (N), % 0.2 to 0.4
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030