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EN 1.7216 Steel vs. EN 1.4308 Stainless Steel

Both EN 1.7216 steel and EN 1.4308 stainless steel are iron alloys. They have 72% 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 1.7216 steel and the bottom bar is EN 1.4308 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 23
34
Fatigue Strength, MPa 290 to 440
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 650 to 930
510
Tensile Strength: Yield (Proof), MPa 400 to 690
200

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
960
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 20
43
Embodied Water, L/kg 50
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
100
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
4.1
Thermal Shock Resistance, points 19 to 27
11

Alloy Composition

Carbon (C), % 0.27 to 0.34
0 to 0.070
Chromium (Cr), % 0.8 to 1.2
18 to 20
Iron (Fe), % 97.2 to 98.4
65.9 to 74
Manganese (Mn), % 0.35 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
8.0 to 11
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.5
Sulfur (S), % 0 to 0.035
0 to 0.030