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EN 1.7366 Steel vs. AISI 305 Stainless Steel

Both EN 1.7366 steel and AISI 305 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 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 EN 1.7366 steel and the bottom bar is AISI 305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 19
34 to 45
Fatigue Strength, MPa 160 to 320
210 to 280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 290 to 440
400 to 470
Tensile Strength: Ultimate (UTS), MPa 460 to 710
580 to 710
Tensile Strength: Yield (Proof), MPa 230 to 480
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 510
540
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.2
Embodied Energy, MJ/kg 23
45
Embodied Water, L/kg 69
150

Common Calculations

PREN (Pitting Resistance) 6.8
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
200 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
130 to 320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16 to 25
20 to 25
Strength to Weight: Bending, points 17 to 23
20 to 23
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 13 to 20
13 to 15

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.12
Chromium (Cr), % 4.0 to 6.0
17 to 19
Iron (Fe), % 91.9 to 95.3
65.1 to 72.5
Manganese (Mn), % 0.3 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
10.5 to 13
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030