MakeItFrom.com
Menu (ESC)

EN 1.4418 Stainless Steel vs. EN 1.4477 Stainless Steel

Both EN 1.4418 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 83% 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 1.4418 stainless steel and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 16 to 20
22 to 23
Fatigue Strength, MPa 350 to 480
420 to 490
Impact Strength: V-Notched Charpy, J 62 to 90
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 530 to 620
550 to 580
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
880 to 930
Tensile Strength: Yield (Proof), MPa 540 to 790
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.7
Embodied Energy, MJ/kg 39
52
Embodied Water, L/kg 130
190

Common Calculations

PREN (Pitting Resistance) 20
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 36
31 to 33
Strength to Weight: Bending, points 26 to 28
26 to 27
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 31 to 36
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 15 to 17
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 73.2 to 80.2
56.6 to 63.6
Manganese (Mn), % 0 to 1.5
0.8 to 1.5
Molybdenum (Mo), % 0.8 to 1.5
1.5 to 2.6
Nickel (Ni), % 4.0 to 6.0
5.8 to 7.5
Nitrogen (N), % 0 to 0.020
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015