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EN 1.4422 Stainless Steel vs. EN 1.4310 Stainless Steel

Both EN 1.4422 stainless steel and EN 1.4310 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 32 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 1.4422 stainless steel and the bottom bar is EN 1.4310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
14 to 45
Fatigue Strength, MPa 380
240 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 520
510 to 550
Tensile Strength: Ultimate (UTS), MPa 850
730 to 900
Tensile Strength: Yield (Proof), MPa 630
260 to 570

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 760
910
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 10
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 37
42
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
170 to 830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
26 to 32
Strength to Weight: Bending, points 25
23 to 27
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 31
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.020
0.050 to 0.15
Chromium (Cr), % 11 to 13
16 to 19
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
66.4 to 78
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.3 to 1.8
0 to 0.8
Nickel (Ni), % 4.0 to 5.0
6.0 to 9.5
Nitrogen (N), % 0 to 0.020
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.0030
0 to 0.015