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ASTM Grade HK Steel vs. EN 1.3967 Stainless Steel

Both ASTM grade HK steel and EN 1.3967 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
22
Fatigue Strength, MPa 150
240
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 500
690
Tensile Strength: Yield (Proof), MPa 270
350

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1100
1070
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.4
4.8
Embodied Energy, MJ/kg 63
66
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 27
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
310
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 Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0.2 to 0.6
0 to 0.030
Chromium (Cr), % 24 to 28
20 to 21.5
Iron (Fe), % 44.8 to 57.8
50.3 to 57.8
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 3.5
Nickel (Ni), % 18 to 22
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0
0.2 to 0.35
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 0.010