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EN 1.7365 Steel vs. EN 1.4474 Stainless Steel

Both EN 1.7365 steel and EN 1.4474 stainless steel are iron alloys. They have 72% 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 1.7365 steel and the bottom bar is EN 1.4474 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
23
Fatigue Strength, MPa 320
320
Impact Strength: V-Notched Charpy, J 31
34
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 700
670
Tensile Strength: Yield (Proof), MPa 470
480

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
1100
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
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
3.4
Embodied Energy, MJ/kg 24
48
Embodied Water, L/kg 70
170

Common Calculations

PREN (Pitting Resistance) 6.8
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 580
560
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 20
18

Alloy Composition

Carbon (C), % 0.12 to 0.19
0 to 0.050
Chromium (Cr), % 4.0 to 6.0
25 to 27
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.2 to 94.9
61.2 to 69.1
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.65
1.3 to 2.0
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0 to 0.050
0