MakeItFrom.com
Menu (ESC)

EN 1.4477 Stainless Steel vs. AISI 418 Stainless Steel

Both EN 1.4477 stainless steel and AISI 418 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
330
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 22 to 23
17
Fatigue Strength, MPa 420 to 490
520
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 550 to 580
680
Tensile Strength: Ultimate (UTS), MPa 880 to 930
1100
Tensile Strength: Yield (Proof), MPa 620 to 730
850

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1100
770
Melting Completion (Liquidus), °C 1430
1500
Melting Onset (Solidus), °C 1380
1460
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 20
15
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.7
2.9
Embodied Energy, MJ/kg 52
41
Embodied Water, L/kg 190
110

Common Calculations

PREN (Pitting Resistance) 41
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
170
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
1830
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 33
38
Strength to Weight: Bending, points 26 to 27
29
Thermal Diffusivity, mm2/s 3.5
6.7
Thermal Shock Resistance, points 23 to 25
40

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 28 to 30
12 to 14
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
78.5 to 83.6
Manganese (Mn), % 0.8 to 1.5
0 to 0.5
Molybdenum (Mo), % 1.5 to 2.6
0 to 0.5
Nickel (Ni), % 5.8 to 7.5
1.8 to 2.2
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
2.5 to 3.5