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AISI 304N Stainless Steel vs. EN 1.7706 Steel

Both AISI 304N stainless steel and EN 1.7706 steel are iron alloys. They have 73% 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 AISI 304N stainless steel and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 360
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1 to 45
17
Fatigue Strength, MPa 220 to 440
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
690
Tensile Strength: Yield (Proof), MPa 270 to 850
500

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 960
440
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.7
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.3
Embodied Energy, MJ/kg 43
32
Embodied Water, L/kg 150
57

Common Calculations

PREN (Pitting Resistance) 21
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 280
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1830
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 42
24
Strength to Weight: Bending, points 21 to 32
22
Thermal Diffusivity, mm2/s 4.2
11
Thermal Shock Resistance, points 14 to 26
20

Alloy Composition

Carbon (C), % 0 to 0.080
0.15 to 0.2
Chromium (Cr), % 18 to 20
1.2 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 66.4 to 73.9
94.7 to 97.1
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 8.0 to 10.5
0 to 0.4
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3