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EN 1.4374 Stainless Steel vs. EN 1.4854 Stainless Steel

Both EN 1.4374 stainless steel and EN 1.4854 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 62% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4374 stainless steel and the bottom bar is EN 1.4854 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
45
Fatigue Strength, MPa 340
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 550
520
Tensile Strength: Ultimate (UTS), MPa 800
750
Tensile Strength: Yield (Proof), MPa 400
340

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 920
1170
Melting Completion (Liquidus), °C 1400
1370
Melting Onset (Solidus), °C 1360
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 14
34
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
5.7
Embodied Energy, MJ/kg 42
81
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 23
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
270
Resilience: Unit (Modulus of Resilience), kJ/m3 400
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
26
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 17
18

Alloy Composition

Carbon (C), % 0.050 to 0.1
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 17.5 to 18.5
24 to 26
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 63.5 to 67.9
33.6 to 40.6
Manganese (Mn), % 9.0 to 10
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 5.0 to 6.0
34 to 36
Nitrogen (N), % 0.25 to 0.32
0.12 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
1.2 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.015