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ASTM Grade HC Steel vs. EN 1.4806 Stainless Steel

Both ASTM grade HC steel and EN 1.4806 stainless steel are iron alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 66% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HC steel and the bottom bar is EN 1.4806 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.0
6.8
Fatigue Strength, MPa 96
120
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 430
470
Tensile Strength: Yield (Proof), MPa 200
250

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Corrosion, °C 460
400
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
31
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.4
Embodied Energy, MJ/kg 40
76
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 29
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
27
Resilience: Unit (Modulus of Resilience), kJ/m3 95
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 16
16
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 4.5
3.1
Thermal Shock Resistance, points 14
11

Alloy Composition

Carbon (C), % 0 to 0.5
0.3 to 0.5
Chromium (Cr), % 26 to 30
16 to 18
Iron (Fe), % 61.9 to 74
40.4 to 48.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 4.0
34 to 36
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
1.0 to 2.5
Sulfur (S), % 0 to 0.040
0 to 0.030