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ASTM Grade HF Steel vs. EN 1.4988 Stainless Steel

Both ASTM grade HF steel and EN 1.4988 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 32 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 HF steel and the bottom bar is EN 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
34
Fatigue Strength, MPa 200
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 550
640
Tensile Strength: Yield (Proof), MPa 270
290

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
520
Maximum Temperature: Mechanical, °C 1000
920
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 17
23
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.2
6.0
Embodied Energy, MJ/kg 46
89
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 21
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
180
Resilience: Unit (Modulus of Resilience), kJ/m3 180
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.040 to 0.1
Chromium (Cr), % 18 to 23
15.5 to 17.5
Iron (Fe), % 60 to 73.8
62.1 to 69.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
1.1 to 1.5
Nickel (Ni), % 8.0 to 12
12.5 to 14.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0.3 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.015
Vanadium (V), % 0
0.6 to 0.85