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EN 1.7361 Steel vs. AISI 303 Stainless Steel

Both EN 1.7361 steel and AISI 303 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 1.7361 steel and the bottom bar is AISI 303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
40 to 51
Fatigue Strength, MPa 480
230 to 360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 600
430 to 470
Tensile Strength: Ultimate (UTS), MPa 1010
600 to 690
Tensile Strength: Yield (Proof), MPa 780
230 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 470
930
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 41
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.6
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.0
Embodied Energy, MJ/kg 22
42
Embodied Water, L/kg 60
140

Common Calculations

PREN (Pitting Resistance) 4.4
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1590
140 to 440
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
21 to 25
Strength to Weight: Bending, points 29
20 to 22
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 29
13 to 15

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.15
Chromium (Cr), % 2.8 to 3.3
17 to 19
Iron (Fe), % 94.1 to 96.2
67.3 to 74.9
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.3 to 0.5
0
Nickel (Ni), % 0 to 0.6
8.0 to 10
Phosphorus (P), % 0 to 0.035
0 to 0.2
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0.15 to 0.35