MakeItFrom.com
Menu (ESC)

EN 1.7221 Steel vs. Grade CW12MW Nickel

EN 1.7221 steel belongs to the iron alloys classification, while grade CW12MW nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7221 steel and the bottom bar is grade CW12MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 11 to 17
4.6
Fatigue Strength, MPa 290 to 390
130
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
85
Tensile Strength: Ultimate (UTS), MPa 650 to 780
560
Tensile Strength: Yield (Proof), MPa 430 to 630
310

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
960
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
70
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 1.5
13
Embodied Energy, MJ/kg 20
180
Embodied Water, L/kg 51
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 98
22
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 1050
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 23 to 27
17
Strength to Weight: Bending, points 21 to 24
17
Thermal Shock Resistance, points 19 to 23
16

Alloy Composition

Carbon (C), % 0.22 to 0.29
0 to 0.12
Chromium (Cr), % 0.8 to 1.2
15.5 to 17.5
Iron (Fe), % 96.8 to 98.3
4.5 to 7.5
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
16 to 18
Nickel (Ni), % 0
49.2 to 60.1
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
3.8 to 5.3
Vanadium (V), % 0
0.2 to 0.4