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ASTM Grade HF Steel vs. S21460 Stainless Steel

Both ASTM grade HF steel and S21460 stainless steel are iron alloys. They have 86% 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 HF steel and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
46
Fatigue Strength, MPa 200
390
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 550
830
Tensile Strength: Yield (Proof), MPa 270
430

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1000
920
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 17
14
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.2
3.0
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 21
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
320
Resilience: Unit (Modulus of Resilience), kJ/m3 180
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
30
Strength to Weight: Bending, points 19
26
Thermal Shock Resistance, points 12
17

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.12
Chromium (Cr), % 18 to 23
17 to 19
Iron (Fe), % 60 to 73.8
57.3 to 63.7
Manganese (Mn), % 0 to 2.0
14 to 16
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 12
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030