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EN 1.4000 Stainless Steel vs. C84400 Valve Metal

EN 1.4000 stainless steel belongs to the iron alloys classification, while C84400 valve metal belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4000 stainless steel and the bottom bar is C84400 valve metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 22
19
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
39
Tensile Strength: Ultimate (UTS), MPa 500
230
Tensile Strength: Yield (Proof), MPa 260
110

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Maximum Temperature: Mechanical, °C 760
160
Melting Completion (Liquidus), °C 1440
1000
Melting Onset (Solidus), °C 1400
840
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 30
72
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
16
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
17

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
29
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 1.9
2.8
Embodied Energy, MJ/kg 27
46
Embodied Water, L/kg 100
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
36
Resilience: Unit (Modulus of Resilience), kJ/m3 180
58
Stiffness to Weight: Axial, points 14
6.6
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
7.2
Strength to Weight: Bending, points 18
9.4
Thermal Diffusivity, mm2/s 8.1
22
Thermal Shock Resistance, points 18
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
78 to 82
Iron (Fe), % 83.9 to 88
0 to 0.4
Lead (Pb), % 0
6.0 to 8.0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 1.5
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.015
0 to 0.080
Tin (Sn), % 0
2.3 to 3.5
Zinc (Zn), % 0
7.0 to 10
Residuals, % 0
0 to 0.7