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EN 1.4658 Stainless Steel vs. EN 1.6220 Steel

Both EN 1.4658 stainless steel and EN 1.6220 steel are iron alloys. They have 59% of their average alloy composition in common. There are 29 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 1.4658 stainless steel and the bottom bar is EN 1.6220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
23 to 25
Fatigue Strength, MPa 530
240 to 250
Impact Strength: V-Notched Charpy, J 110
49 to 57
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 900
550 to 580
Tensile Strength: Yield (Proof), MPa 730
340

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
52
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.5
Embodied Energy, MJ/kg 61
19
Embodied Water, L/kg 200
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
300 to 310
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
19 to 20
Strength to Weight: Bending, points 26
19 to 20
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 24
16 to 17

Alloy Composition

Carbon (C), % 0 to 0.030
0.17 to 0.23
Chromium (Cr), % 26 to 29
0
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
96.7 to 98.8
Manganese (Mn), % 0 to 1.5
1.0 to 1.6
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 5.5 to 9.5
0 to 0.8
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030