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EN 1.4922 Stainless Steel vs. EN 1.4031 Stainless Steel

Both EN 1.4922 stainless steel and EN 1.4031 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4922 stainless steel and the bottom bar is EN 1.4031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
11 to 13
Fatigue Strength, MPa 330
220 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 470
400 to 540
Tensile Strength: Ultimate (UTS), MPa 770
670 to 900
Tensile Strength: Yield (Proof), MPa 550
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
390
Maximum Temperature: Mechanical, °C 720
770
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 40
27
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 15
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 770
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
24 to 32
Strength to Weight: Bending, points 24
22 to 27
Thermal Diffusivity, mm2/s 6.5
8.1
Thermal Shock Resistance, points 27
23 to 32

Alloy Composition

Carbon (C), % 0.17 to 0.23
0.36 to 0.42
Chromium (Cr), % 10 to 12.5
12.5 to 14.5
Iron (Fe), % 83.5 to 88.2
83 to 87.1
Manganese (Mn), % 0.3 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 0.3 to 0.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0.2 to 0.35
0