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ASTM A216 Cast Steel vs. ASTM A229 Spring Steel

Both ASTM A216 cast steel and ASTM A229 spring steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A216 cast steel and the bottom bar is ASTM A229 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25 to 27
14
Fatigue Strength, MPa 170 to 230
710 to 790
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 500 to 570
1690 to 1890
Tensile Strength: Yield (Proof), MPa 230 to 310
1100 to 1230

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450 to 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49 to 52
50
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 45
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 250
3260 to 4080
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 20
60 to 67
Strength to Weight: Bending, points 18 to 20
40 to 43
Thermal Diffusivity, mm2/s 13 to 14
14
Thermal Shock Resistance, points 16 to 18
54 to 60

Comparable Variants