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EN 1.4031 Stainless Steel vs. ASTM Grade HF Steel

Both EN 1.4031 stainless steel and ASTM grade HF steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4031 stainless steel and the bottom bar is ASTM grade HF steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 13
29
Fatigue Strength, MPa 220 to 400
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 670 to 900
550
Tensile Strength: Yield (Proof), MPa 390 to 730
270

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 770
1000
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.2
Embodied Energy, MJ/kg 27
46
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 14
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
130
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 32
20
Strength to Weight: Bending, points 22 to 27
19
Thermal Diffusivity, mm2/s 8.1
4.2
Thermal Shock Resistance, points 23 to 32
12

Alloy Composition

Carbon (C), % 0.36 to 0.42
0.2 to 0.4
Chromium (Cr), % 12.5 to 14.5
18 to 23
Iron (Fe), % 83 to 87.1
60 to 73.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
8.0 to 12
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040