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AISI 310H Stainless Steel vs. ASTM Grade HK Steel

Both AISI 310H stainless steel and ASTM grade HK steel are iron alloys. They have a very high 98% 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 AISI 310H stainless steel and the bottom bar is ASTM grade HK steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
11
Fatigue Strength, MPa 200
150
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 580
500
Tensile Strength: Yield (Proof), MPa 230
270

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1360
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
4.4
Embodied Energy, MJ/kg 61
63
Embodied Water, L/kg 190
200

Common Calculations

PREN (Pitting Resistance) 25
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
48
Resilience: Unit (Modulus of Resilience), kJ/m3 130
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 13
11

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.2 to 0.6
Chromium (Cr), % 24 to 26
24 to 28
Iron (Fe), % 49.1 to 57
44.8 to 57.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 19 to 22
18 to 22
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040