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EN 1.4971 Stainless Steel vs. C68800 Brass

EN 1.4971 stainless steel belongs to the iron alloys classification, while C68800 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 34
2.0 to 36
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 81
41
Shear Strength, MPa 530
380 to 510
Tensile Strength: Ultimate (UTS), MPa 800
570 to 890
Tensile Strength: Yield (Proof), MPa 340
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1460
960
Melting Onset (Solidus), °C 1410
950
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 15
19

Otherwise Unclassified Properties

Base Metal Price, % relative 70
26
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 7.6
2.8
Embodied Energy, MJ/kg 110
48
Embodied Water, L/kg 300
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 280
710 to 2860
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26
19 to 30
Strength to Weight: Bending, points 23
19 to 25
Thermal Diffusivity, mm2/s 3.4
12
Thermal Shock Resistance, points 19
19 to 30

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Carbon (C), % 0.080 to 0.16
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0.25 to 0.55
Copper (Cu), % 0
70.8 to 75.5
Iron (Fe), % 24.3 to 37.1
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.0 to 3.0
0
Zinc (Zn), % 0
21.3 to 24.1
Residuals, % 0
0 to 0.5