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S82441 Stainless Steel vs. ASTM Grade HK Steel

Both S82441 stainless steel and ASTM grade HK steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S82441 stainless steel and the bottom bar is ASTM grade HK steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
11
Fatigue Strength, MPa 400
150
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 760
500
Tensile Strength: Yield (Proof), MPa 550
270

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1090
1100
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
4.4
Embodied Energy, MJ/kg 45
63
Embodied Water, L/kg 170
200

Common Calculations

PREN (Pitting Resistance) 33
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
48
Resilience: Unit (Modulus of Resilience), kJ/m3 740
190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.6
Chromium (Cr), % 23 to 25
24 to 28
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 62.6 to 70.2
44.8 to 57.8
Manganese (Mn), % 2.5 to 4.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 2.0
0 to 0.5
Nickel (Ni), % 3.0 to 4.5
18 to 22
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 2.0
Sulfur (S), % 0 to 0.0050
0 to 0.040