MakeItFrom.com
Menu (ESC)

Grade N7M Nickel vs. EN 1.4451 Stainless Steel

Grade N7M nickel belongs to the nickel alloys classification, while EN 1.4451 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade N7M nickel and the bottom bar is EN 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 22
25
Fatigue Strength, MPa 190
370
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 85
80
Tensile Strength: Ultimate (UTS), MPa 590
750
Tensile Strength: Yield (Proof), MPa 310
540

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1650
1430
Melting Onset (Solidus), °C 1590
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 9.9
17

Otherwise Unclassified Properties

Base Metal Price, % relative 75
20
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 16
3.8
Embodied Energy, MJ/kg 200
53
Embodied Water, L/kg 270
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 220
710
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 17
23
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 0 to 1.0
25 to 27
Copper (Cu), % 0
2.8 to 3.5
Iron (Fe), % 0 to 3.0
56.2 to 64.6
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 30 to 33
2.5 to 3.5
Nickel (Ni), % 60.9 to 70
5.0 to 7.0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025