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ASTM Grade HP Steel vs. SAE-AISI 1527 Steel

Both ASTM grade HP steel and SAE-AISI 1527 steel are iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 ASTM grade HP steel and the bottom bar is SAE-AISI 1527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 5.1
13 to 21
Fatigue Strength, MPa 130
220 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 490
590 to 640
Tensile Strength: Yield (Proof), MPa 260
320 to 550

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.8
1.4
Embodied Energy, MJ/kg 82
19
Embodied Water, L/kg 220
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
82 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 170
260 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
21 to 23
Strength to Weight: Bending, points 17
20 to 21
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 11
19 to 20

Alloy Composition

Carbon (C), % 0.35 to 0.75
0.22 to 0.29
Chromium (Cr), % 24 to 28
0
Iron (Fe), % 29.2 to 42.7
98.1 to 98.6
Manganese (Mn), % 0 to 2.0
1.2 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.5
0
Sulfur (S), % 0 to 0.040
0 to 0.050