MakeItFrom.com
Menu (ESC)

ASTM Grade HT Steel vs. SAE-AISI 1340 Steel

Both ASTM grade HT steel and SAE-AISI 1340 steel are iron alloys. They have 47% of their average alloy composition in common. There are 30 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 grade HT steel and the bottom bar is SAE-AISI 1340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.6
11 to 23
Fatigue Strength, MPa 130
220 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 500
540 to 730
Tensile Strength: Yield (Proof), MPa 270
300 to 620

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1010
400
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.4
Embodied Energy, MJ/kg 76
19
Embodied Water, L/kg 190
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
240 to 1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
19 to 26
Strength to Weight: Bending, points 18
19 to 23
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 12
17 to 23

Alloy Composition

Carbon (C), % 0.35 to 0.75
0.38 to 0.43
Chromium (Cr), % 15 to 19
0
Iron (Fe), % 38.2 to 51.7
97.2 to 97.9
Manganese (Mn), % 0 to 2.0
1.6 to 1.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.5
0.15 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.040