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EN 1.4971 Stainless Steel vs. C99750 Brass

EN 1.4971 stainless steel belongs to the iron alloys classification, while C99750 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 210
130
Elongation at Break, % 34
20 to 30
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 81
48
Tensile Strength: Ultimate (UTS), MPa 800
450 to 520
Tensile Strength: Yield (Proof), MPa 340
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1460
840
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 450
410
Thermal Expansion, µm/m-K 15
20

Otherwise Unclassified Properties

Base Metal Price, % relative 70
23
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 7.6
3.1
Embodied Energy, MJ/kg 110
51
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
190 to 300
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 26
15 to 18
Strength to Weight: Bending, points 23
16 to 18
Thermal Shock Resistance, points 19
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
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
55 to 61
Iron (Fe), % 24.3 to 37.1
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0 to 2.0
17 to 23
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0 to 5.0
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
17 to 23
Residuals, % 0
0 to 0.3