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EN 1.7216 Steel vs. EN 1.4000 Stainless Steel

Both EN 1.7216 steel and EN 1.4000 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 1.7216 steel and the bottom bar is EN 1.4000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 23
22
Fatigue Strength, MPa 290 to 440
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 410 to 560
320
Tensile Strength: Ultimate (UTS), MPa 650 to 930
500
Tensile Strength: Yield (Proof), MPa 400 to 690
260

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
1.9
Embodied Energy, MJ/kg 20
27
Embodied Water, L/kg 50
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
91
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 33
18
Strength to Weight: Bending, points 21 to 27
18
Thermal Diffusivity, mm2/s 12
8.1
Thermal Shock Resistance, points 19 to 27
18

Alloy Composition

Carbon (C), % 0.27 to 0.34
0 to 0.080
Chromium (Cr), % 0.8 to 1.2
12 to 14
Iron (Fe), % 97.2 to 98.4
83.9 to 88
Manganese (Mn), % 0.35 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015