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EN 1.7390 Steel vs. AISI 316L Stainless Steel

Both EN 1.7390 steel and AISI 316L stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7390 steel and the bottom bar is AISI 316L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
9.0 to 50
Fatigue Strength, MPa 310
170 to 450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Shear Strength, MPa 440
370 to 690
Tensile Strength: Ultimate (UTS), MPa 710
530 to 1160
Tensile Strength: Yield (Proof), MPa 480
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 510
870
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
3.9
Embodied Energy, MJ/kg 23
53
Embodied Water, L/kg 69
150

Common Calculations

PREN (Pitting Resistance) 6.8
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
77 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 600
93 to 1880
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
19 to 41
Strength to Weight: Bending, points 23
18 to 31
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 20
12 to 25

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
16 to 18
Iron (Fe), % 91.9 to 95.3
62 to 72
Manganese (Mn), % 0.3 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.65
2.0 to 3.0
Nickel (Ni), % 0
10 to 14
Nitrogen (N), % 0
0 to 0.1
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