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ASTM Grade HK Steel vs. EN 1.4406 Stainless Steel

Both ASTM grade HK steel and EN 1.4406 stainless steel are iron alloys. They have 82% 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 ASTM grade HK steel and the bottom bar is EN 1.4406 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
42
Fatigue Strength, MPa 150
280
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 500
680
Tensile Strength: Yield (Proof), MPa 270
320

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
950
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.4
3.7
Embodied Energy, MJ/kg 63
51
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 27
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
240
Resilience: Unit (Modulus of Resilience), kJ/m3 190
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0.2 to 0.6
0 to 0.030
Chromium (Cr), % 24 to 28
16.5 to 18.5
Iron (Fe), % 44.8 to 57.8
63.2 to 71.4
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
2.0 to 2.5
Nickel (Ni), % 18 to 22
10 to 12.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015