MakeItFrom.com
Menu (ESC)

AISI 431 Stainless Steel vs. EN 1.7386 Steel

Both AISI 431 stainless steel and EN 1.7386 steel are iron alloys. They have a moderately high 91% 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 AISI 431 stainless steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
18 to 21
Fatigue Strength, MPa 430 to 610
170 to 290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 550 to 840
340 to 410
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
550 to 670
Tensile Strength: Yield (Proof), MPa 710 to 1040
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 850
600
Melting Completion (Liquidus), °C 1510
1450
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
26
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
2.0
Embodied Energy, MJ/kg 31
28
Embodied Water, L/kg 120
88

Common Calculations

PREN (Pitting Resistance) 16
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
150 to 490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 50
20 to 24
Strength to Weight: Bending, points 27 to 36
19 to 22
Thermal Diffusivity, mm2/s 7.0
6.9
Thermal Shock Resistance, points 28 to 43
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.2
0.080 to 0.15
Chromium (Cr), % 15 to 17
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 78.2 to 83.8
86.8 to 90.5
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 1.3 to 2.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010