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AISI 440C Stainless Steel vs. EN 1.4855 Stainless Steel

Both AISI 440C stainless steel and EN 1.4855 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 440C stainless steel and the bottom bar is EN 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 2.0 to 14
4.6
Fatigue Strength, MPa 260 to 840
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
500
Tensile Strength: Yield (Proof), MPa 450 to 1900
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 390
610
Maximum Temperature: Mechanical, °C 870
1050
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 22
14
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
34
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
5.9
Embodied Energy, MJ/kg 31
85
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 18
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 71
18
Strength to Weight: Bending, points 23 to 46
18
Thermal Diffusivity, mm2/s 6.0
3.7
Thermal Shock Resistance, points 26 to 71
11

Alloy Composition

Carbon (C), % 1.0 to 1.2
0.3 to 0.5
Chromium (Cr), % 16 to 18
23 to 25
Iron (Fe), % 78 to 83.1
42.6 to 51.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0 to 0.5
Nickel (Ni), % 0
23 to 25
Niobium (Nb), % 0
0.8 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030