SAE-AISI H21 Steel vs. C77300 Nickel Silver

SAE-AISI H21 steel belongs to the iron alloys classification, while C77300 nickel silver belongs to the copper alloys. There are 19 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 SAE-AISI H21 steel and the bottom bar is C77300 nickel silver.

SAE-AISI H21 (T20821) Tungsten Hot-Work Steel UNS C77300 (RBCuZn-D) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.29
Poisson's Ratio		0.3

Shear Modulus, GPa		76
Shear Modulus, GPa		42

Tensile Strength: Ultimate (UTS), MPa		720 to 1790
Tensile Strength: Ultimate (UTS), MPa		540

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		180

Melting Completion (Liquidus), °C		1630
Melting Completion (Liquidus), °C		940

Melting Onset (Solidus), °C		1580
Melting Onset (Solidus), °C		920

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		11
Thermal Expansion, µm/m-K		20

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		26

Density, g/cm³		8.5
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		4.5
Embodied Carbon, kg CO₂/kg material		3.5

Embodied Energy, MJ/kg		68
Embodied Energy, MJ/kg		56

Embodied Water, L/kg		72
Embodied Water, L/kg		310

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		7.7

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		23 to 58
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		21 to 38
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		24 to 59
Thermal Shock Resistance, points		17

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.010

Carbon (C), %		0.28 to 0.36
Carbon (C), %		0

Chromium (Cr), %		3.0 to 3.8
Chromium (Cr), %		0

Copper (Cu), %		0 to 0.25
Copper (Cu), %		46 to 50

Iron (Fe), %		87.6 to 93.8
Iron (Fe), %		0

Lead (Pb), %		0
Lead (Pb), %		0 to 0.050

Manganese (Mn), %		0.15 to 0.4
Manganese (Mn), %		0

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		9.0 to 11

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0 to 0.25

Silicon (Si), %		0.15 to 0.5
Silicon (Si), %		0.040 to 0.25

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0

Tungsten (W), %		8.5 to 10
Tungsten (W), %		0

Vanadium (V), %		0.3 to 0.6
Vanadium (V), %		0

Zinc (Zn), %		0
Zinc (Zn), %		37.9 to 45

Residuals, %		0
Residuals, %		0 to 0.5