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ASTM Grade HE Steel vs. EN 1.4422 Stainless Steel

Both ASTM grade HE steel and EN 1.4422 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 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 ASTM grade HE steel and the bottom bar is EN 1.4422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 10
17
Fatigue Strength, MPa 160
380
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 670
850
Tensile Strength: Yield (Proof), MPa 310
630

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 50
37
Embodied Water, L/kg 190
110

Common Calculations

PREN (Pitting Resistance) 29
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
130
Resilience: Unit (Modulus of Resilience), kJ/m3 240
1000
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
30
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 3.6
4.3
Thermal Shock Resistance, points 14
31

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.020
Chromium (Cr), % 26 to 30
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 53.9 to 65.8
76.8 to 83.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
1.3 to 1.8
Nickel (Ni), % 8.0 to 11
4.0 to 5.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.0030