MakeItFrom.com
Menu (ESC)

EN 1.4477 Stainless Steel vs. EN 1.4422 Stainless Steel

Both EN 1.4477 stainless steel and EN 1.4422 stainless steel are iron alloys. They have 80% 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 1.4477 stainless steel and the bottom bar is EN 1.4422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 22 to 23
17
Fatigue Strength, MPa 420 to 490
380
Impact Strength: V-Notched Charpy, J 110
110
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 550 to 580
520
Tensile Strength: Ultimate (UTS), MPa 880 to 930
850
Tensile Strength: Yield (Proof), MPa 620 to 730
630

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.7
2.7
Embodied Energy, MJ/kg 52
37
Embodied Water, L/kg 190
110

Common Calculations

PREN (Pitting Resistance) 41
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
130
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
1000
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 33
30
Strength to Weight: Bending, points 26 to 27
25
Thermal Diffusivity, mm2/s 3.5
4.3
Thermal Shock Resistance, points 23 to 25
31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 28 to 30
11 to 13
Copper (Cu), % 0 to 0.8
0.2 to 0.8
Iron (Fe), % 56.6 to 63.6
76.8 to 83.5
Manganese (Mn), % 0.8 to 1.5
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.6
1.3 to 1.8
Nickel (Ni), % 5.8 to 7.5
4.0 to 5.0
Nitrogen (N), % 0.3 to 0.4
0 to 0.020
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 0.0030