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ASTM A387 Grade 2 Steel vs. Type 2 Pewter

ASTM A387 grade 2 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 A387 grade 2 steel and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
13 to 23
Elastic (Young's, Tensile) Modulus, GPa 190
52
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 73
19
Tensile Strength: Ultimate (UTS), MPa 470 to 550
52 to 68

Thermal Properties

Latent Heat of Fusion, J/g 250
69
Melting Completion (Liquidus), °C 1470
300
Melting Onset (Solidus), °C 1420
240
Specific Heat Capacity, J/kg-K 470
220
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
75
Density, g/cm3 7.9
7.3
Embodied Carbon, kg CO2/kg material 1.6
12
Embodied Energy, MJ/kg 20
210
Embodied Water, L/kg 50
1220

Common Calculations

Stiffness to Weight: Axial, points 13
3.9
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 16 to 20
2.0 to 2.6
Strength to Weight: Bending, points 17 to 19
4.3 to 5.1
Thermal Shock Resistance, points 14 to 16
3.4 to 4.4

Alloy Composition

Antimony (Sb), % 0
5.0 to 7.5
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0.050 to 0.21
0
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 97.1 to 98.3
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.55 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.6
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
90 to 93
Zinc (Zn), % 0
0 to 0.0050

Comparable Variants