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Grade TDSiCr Steel vs. SAE-AISI 1151 Steel

Both grade TDSiCr steel and SAE-AISI 1151 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade TDSiCr steel and the bottom bar is SAE-AISI 1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 48
34 to 40
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 1950
710 to 800

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 48
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 70
25 to 28
Strength to Weight: Bending, points 45
22 to 24
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 58
22 to 25

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.48 to 0.55
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 96.6 to 97.8
98.3 to 98.7
Manganese (Mn), % 0.5 to 0.9
0.7 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.2 to 1.6
0
Sulfur (S), % 0 to 0.020
0.080 to 0.13