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S39274 Stainless Steel vs. ASTM Grade HF Steel

Both S39274 stainless steel and ASTM grade HF steel are iron alloys. They have 90% of their average alloy composition in common. There are 32 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 S39274 stainless steel and the bottom bar is ASTM grade HF steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
29
Fatigue Strength, MPa 380
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 900
550
Tensile Strength: Yield (Proof), MPa 620
270

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1480
1410
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 4.3
3.2
Embodied Energy, MJ/kg 60
46
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 43
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 940
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
20
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 4.2
4.2
Thermal Shock Resistance, points 25
12

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.4
Chromium (Cr), % 24 to 26
18 to 23
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
60 to 73.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.5
Nickel (Ni), % 6.0 to 8.0
8.0 to 12
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040
Tungsten (W), % 1.5 to 2.5
0