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EN 1.7216 Steel vs. EN 1.0225 Steel

Both EN 1.7216 steel and EN 1.0225 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is EN 1.0225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 23
6.7 to 24
Fatigue Strength, MPa 290 to 440
170 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 560
280 to 290
Tensile Strength: Ultimate (UTS), MPa 650 to 930
440 to 500
Tensile Strength: Yield (Proof), MPa 400 to 690
230 to 380

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 50
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
31 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
140 to 390
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 33
16 to 18
Strength to Weight: Bending, points 21 to 27
16 to 18
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19 to 27
14 to 16

Alloy Composition

Carbon (C), % 0.27 to 0.34
0 to 0.21
Chromium (Cr), % 0.8 to 1.2
0
Iron (Fe), % 97.2 to 98.4
98 to 100
Manganese (Mn), % 0.35 to 0.6
0 to 1.4
Molybdenum (Mo), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.045

Comparable Variants