MakeItFrom.com
Menu (ESC)

AISI 440C Stainless Steel vs. EN 1.4658 Stainless Steel

Both AISI 440C stainless steel and EN 1.4658 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 29 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 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 2.0 to 14
28
Fatigue Strength, MPa 260 to 840
530
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 430 to 1120
580
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
900
Tensile Strength: Yield (Proof), MPa 450 to 1900
730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 22
16
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
4.5
Embodied Energy, MJ/kg 31
61
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 18
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 71
32
Strength to Weight: Bending, points 23 to 46
26
Thermal Diffusivity, mm2/s 6.0
4.3
Thermal Shock Resistance, points 26 to 71
24

Alloy Composition

Carbon (C), % 1.0 to 1.2
0 to 0.030
Chromium (Cr), % 16 to 18
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 78 to 83.1
50.9 to 63.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.75
4.0 to 5.0
Nickel (Ni), % 0
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010