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EN 1.4945 Stainless Steel vs. EN 1.6220 Steel

Both EN 1.4945 stainless steel and EN 1.6220 steel are iron alloys. They have 63% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4945 stainless steel and the bottom bar is EN 1.6220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19 to 34
23 to 25
Fatigue Strength, MPa 230 to 350
240 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 640 to 740
550 to 580
Tensile Strength: Yield (Proof), MPa 290 to 550
340

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
400
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.1
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.0
1.5
Embodied Energy, MJ/kg 73
19
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
300 to 310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
19 to 20
Strength to Weight: Bending, points 20 to 22
19 to 20
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 14 to 16
16 to 17

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.17 to 0.23
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 57.9 to 65.7
96.7 to 98.8
Manganese (Mn), % 0 to 1.5
1.0 to 1.6
Nickel (Ni), % 15.5 to 17.5
0 to 0.8
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.3 to 0.6
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0