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ASTM Grade HI Steel vs. EN 1.4507 Stainless Steel

Both ASTM grade HI steel and EN 1.4507 stainless 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 (2, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HI steel and the bottom bar is EN 1.4507 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
25
Fatigue Strength, MPa 150
410
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 550
840
Tensile Strength: Yield (Proof), MPa 270
590

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
13

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 23
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
4.0
Embodied Energy, MJ/kg 59
55
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 29
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
190
Resilience: Unit (Modulus of Resilience), kJ/m3 180
850
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
25
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 12
23

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.030
Chromium (Cr), % 26 to 30
24 to 26
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 46.9 to 59.8
56.4 to 65.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.0
Nickel (Ni), % 14 to 18
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.015