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EN 1.7365 Steel vs. AISI 442 Stainless Steel

Both EN 1.7365 steel and AISI 442 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 31 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 EN 1.7365 steel and the bottom bar is AISI 442 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
23
Fatigue Strength, MPa 320
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 700
580
Tensile Strength: Yield (Proof), MPa 470
310

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 510
960
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
22
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.3
Embodied Energy, MJ/kg 24
32
Embodied Water, L/kg 70
130

Common Calculations

PREN (Pitting Resistance) 6.8
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 580
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 11
5.8
Thermal Shock Resistance, points 20
20

Alloy Composition

Carbon (C), % 0.12 to 0.19
0 to 0.2
Chromium (Cr), % 4.0 to 6.0
18 to 23
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.2 to 94.9
74.1 to 82
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.040
Vanadium (V), % 0 to 0.050
0