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EN 1.4310 Stainless Steel vs. EN 1.6220 Steel

Both EN 1.4310 stainless steel and EN 1.6220 steel are iron alloys. They have 74% 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 1.4310 stainless steel and the bottom bar is EN 1.6220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
23 to 25
Fatigue Strength, MPa 240 to 330
240 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 730 to 900
550 to 580
Tensile Strength: Yield (Proof), MPa 260 to 570
340

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 140
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
300 to 310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 32
19 to 20
Strength to Weight: Bending, points 23 to 27
19 to 20
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 15 to 18
16 to 17

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.17 to 0.23
Chromium (Cr), % 16 to 19
0
Iron (Fe), % 66.4 to 78
96.7 to 98.8
Manganese (Mn), % 0 to 2.0
1.0 to 1.6
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 6.0 to 9.5
0 to 0.8
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 2.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030