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EN 1.4107 Stainless Steel vs. AISI 442 Stainless Steel

Both EN 1.4107 stainless steel and AISI 442 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4107 stainless steel and the bottom bar is AISI 442 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 21
23
Fatigue Strength, MPa 260 to 350
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 620 to 700
580
Tensile Strength: Yield (Proof), MPa 400 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 740
960
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
22
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.1
2.3
Embodied Energy, MJ/kg 30
32
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 13
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 840
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 25
21
Strength to Weight: Bending, points 21 to 22
20
Thermal Diffusivity, mm2/s 7.2
5.8
Thermal Shock Resistance, points 22 to 25
20

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.2
Chromium (Cr), % 11.5 to 12.5
18 to 23
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 83.8 to 87.2
74.1 to 82
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0.8 to 1.5
0 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.040
Vanadium (V), % 0 to 0.080
0