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EN 1.4971 Stainless Steel vs. C87900 Brass

EN 1.4971 stainless steel belongs to the iron alloys classification, while C87900 brass belongs to the copper alloys. There are 26 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 C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 34
25
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 81
41
Tensile Strength: Ultimate (UTS), MPa 800
480
Tensile Strength: Yield (Proof), MPa 340
240

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Maximum Temperature: Mechanical, °C 1100
130
Melting Completion (Liquidus), °C 1460
930
Melting Onset (Solidus), °C 1410
900
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 13
120
Thermal Expansion, µm/m-K 15
20

Otherwise Unclassified Properties

Base Metal Price, % relative 70
24
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 7.6
2.7
Embodied Energy, MJ/kg 110
46
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
100
Resilience: Unit (Modulus of Resilience), kJ/m3 280
270
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 3.4
37
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0.080 to 0.16
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
63 to 69.2
Iron (Fe), % 24.3 to 37.1
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 2.0
0 to 0.15
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0 to 0.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 1.0
0.8 to 1.2
Sulfur (S), % 0 to 0.015
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Tungsten (W), % 2.0 to 3.0
0
Zinc (Zn), % 0
30 to 36