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EN 1.4313 Stainless Steel vs. EN 1.7386 Steel

Both EN 1.4313 stainless steel and EN 1.7386 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 32 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 1.4313 stainless steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 12 to 17
18 to 21
Fatigue Strength, MPa 340 to 510
170 to 290
Impact Strength: V-Notched Charpy, J 55 to 70
38
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 460 to 600
340 to 410
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
550 to 670
Tensile Strength: Yield (Proof), MPa 580 to 910
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 780
600
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
26
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 10
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.4
2.0
Embodied Energy, MJ/kg 34
28
Embodied Water, L/kg 110
88

Common Calculations

PREN (Pitting Resistance) 15
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
150 to 490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 36
20 to 24
Strength to Weight: Bending, points 23 to 28
19 to 22
Thermal Diffusivity, mm2/s 6.7
6.9
Thermal Shock Resistance, points 27 to 36
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.050
0.080 to 0.15
Chromium (Cr), % 12 to 14
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 78.5 to 84.2
86.8 to 90.5
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0.3 to 0.7
0.9 to 1.1
Nickel (Ni), % 3.5 to 4.5
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0.25 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010

Comparable Variants