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S15500 Stainless Steel vs. ASTM Grade HF Steel

Both S15500 stainless steel and ASTM grade HF steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is ASTM grade HF steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
29
Fatigue Strength, MPa 350 to 650
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
550
Tensile Strength: Yield (Proof), MPa 590 to 1310
270

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 820
1000
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 39
46
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 15
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
20
Strength to Weight: Bending, points 26 to 37
19
Thermal Diffusivity, mm2/s 4.6
4.2
Thermal Shock Resistance, points 30 to 50
12

Alloy Composition

Carbon (C), % 0 to 0.070
0.2 to 0.4
Chromium (Cr), % 14 to 15.5
18 to 23
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
60 to 73.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 3.5 to 5.5
8.0 to 12
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040