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ASTM Grade HK Steel vs. Type 2 Pewter

ASTM grade HK steel belongs to the iron alloys classification, while Type 2 pewter belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HK steel and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
13 to 23
Elastic (Young's, Tensile) Modulus, GPa 200
52
Poisson's Ratio 0.27
0.35
Shear Modulus, GPa 79
19
Tensile Strength: Ultimate (UTS), MPa 500
52 to 68

Thermal Properties

Latent Heat of Fusion, J/g 310
69
Melting Completion (Liquidus), °C 1400
300
Melting Onset (Solidus), °C 1350
240
Specific Heat Capacity, J/kg-K 480
220
Thermal Expansion, µm/m-K 17
21

Otherwise Unclassified Properties

Base Metal Price, % relative 25
75
Density, g/cm3 7.8
7.3
Embodied Carbon, kg CO2/kg material 4.4
12
Embodied Energy, MJ/kg 63
210
Embodied Water, L/kg 200
1220

Common Calculations

Stiffness to Weight: Axial, points 14
3.9
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 18
2.0 to 2.6
Strength to Weight: Bending, points 18
4.3 to 5.1
Thermal Shock Resistance, points 11
3.4 to 4.4

Alloy Composition

Antimony (Sb), % 0
5.0 to 7.5
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0.2 to 0.6
0
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 44.8 to 57.8
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 18 to 22
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
90 to 93
Zinc (Zn), % 0
0 to 0.0050