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ASTM Grade HF Steel vs. AISI 310H Stainless Steel

Both ASTM grade HF steel and AISI 310H stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 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 HF steel and the bottom bar is AISI 310H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
40
Fatigue Strength, MPa 200
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 550
580
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1410
1410
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
25
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.2
4.3
Embodied Energy, MJ/kg 46
61
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 21
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 180
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 4.2
3.9
Thermal Shock Resistance, points 12
13

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.040 to 0.1
Chromium (Cr), % 18 to 23
24 to 26
Iron (Fe), % 60 to 73.8
49.1 to 57
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 12
19 to 22
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.030