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EN 1.4887 Stainless Steel vs. EN 1.4378 Stainless Steel

Both EN 1.4887 stainless steel and EN 1.4378 stainless steel are iron alloys. They have 62% 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 1.4887 stainless steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
14 to 34
Fatigue Strength, MPa 280
340 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 400
510 to 680
Tensile Strength: Ultimate (UTS), MPa 580
760 to 1130
Tensile Strength: Yield (Proof), MPa 300
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 600
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1390
1390
Melting Onset (Solidus), °C 1350
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
12
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 6.7
2.7
Embodied Energy, MJ/kg 96
39
Embodied Water, L/kg 210
150

Common Calculations

PREN (Pitting Resistance) 22
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 230
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
28 to 41
Strength to Weight: Bending, points 19
24 to 31
Thermal Shock Resistance, points 14
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 20 to 23
17 to 19
Iron (Fe), % 34.2 to 45
61.2 to 69
Manganese (Mn), % 0 to 2.0
11.5 to 14.5
Nickel (Ni), % 33 to 37
2.3 to 3.7
Niobium (Nb), % 1.0 to 1.5
0
Nitrogen (N), % 0 to 0.1
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030