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ASTM Grade HK Steel vs. EN 1.4980 Stainless Steel

Both ASTM grade HK steel and EN 1.4980 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 HK steel and the bottom bar is EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
17
Fatigue Strength, MPa 150
410
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 500
1030
Tensile Strength: Yield (Proof), MPa 270
680

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
780
Maximum Temperature: Mechanical, °C 1100
920
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.4
6.0
Embodied Energy, MJ/kg 63
87
Embodied Water, L/kg 200
170

Common Calculations

PREN (Pitting Resistance) 27
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
36
Strength to Weight: Bending, points 18
28
Thermal Diffusivity, mm2/s 3.9
3.5
Thermal Shock Resistance, points 11
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.2 to 0.6
0.030 to 0.080
Chromium (Cr), % 24 to 28
13.5 to 16
Iron (Fe), % 44.8 to 57.8
49.2 to 58.5
Manganese (Mn), % 0 to 2.0
1.0 to 2.0
Molybdenum (Mo), % 0 to 0.5
1.0 to 1.5
Nickel (Ni), % 18 to 22
24 to 27
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5