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EN 1.4422 Stainless Steel vs. AISI 316 Stainless Steel

Both EN 1.4422 stainless steel and AISI 316 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 32 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 EN 1.4422 stainless steel and the bottom bar is AISI 316 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
8.0 to 55
Fatigue Strength, MPa 380
210 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 520
350 to 690
Tensile Strength: Ultimate (UTS), MPa 850
520 to 1180
Tensile Strength: Yield (Proof), MPa 630
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 760
590
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.9
Embodied Energy, MJ/kg 37
53
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 17
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
130 to 1820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
18 to 41
Strength to Weight: Bending, points 25
18 to 31
Thermal Diffusivity, mm2/s 4.3
4.1
Thermal Shock Resistance, points 31
11 to 26

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 11 to 13
16 to 18
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
62 to 72
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.3 to 1.8
2.0 to 3.0
Nickel (Ni), % 4.0 to 5.0
10 to 14
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 0.75
Sulfur (S), % 0 to 0.0030
0 to 0.030