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EN 1.4303 Stainless Steel vs. EN 1.6217 Steel

Both EN 1.4303 stainless steel and EN 1.6217 steel are iron alloys. They have 70% 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 1.4303 stainless steel and the bottom bar is EN 1.6217 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 49
24
Fatigue Strength, MPa 220 to 320
280
Impact Strength: V-Notched Charpy, J 91 to 98
67
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 420 to 540
350
Tensile Strength: Ultimate (UTS), MPa 590 to 900
550
Tensile Strength: Yield (Proof), MPa 230 to 560
390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
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
50
Thermal Expansion, µm/m-K 16
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 17
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 46
21
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
19
Strength to Weight: Bending, points 20 to 26
19
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
16

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.050
Carbon (C), % 0 to 0.060
0 to 0.16
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 64.8 to 72
96.6 to 99
Manganese (Mn), % 0 to 2.0
0.85 to 1.7
Nickel (Ni), % 11 to 13
0.15 to 0.85
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0
0 to 0.050