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EN 1.4034 Stainless Steel vs. S41425 Stainless Steel

Both EN 1.4034 stainless steel and S41425 stainless 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 1.4034 stainless steel and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 14
17
Fatigue Strength, MPa 230 to 400
450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 420 to 540
570
Tensile Strength: Ultimate (UTS), MPa 690 to 900
920
Tensile Strength: Yield (Proof), MPa 390 to 730
750

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 770
810
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
13
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
2.9
Embodied Energy, MJ/kg 27
40
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 14
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
150
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
1420
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 32
33
Strength to Weight: Bending, points 22 to 27
27
Thermal Diffusivity, mm2/s 8.1
4.4
Thermal Shock Resistance, points 24 to 32
33

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.050
Chromium (Cr), % 12.5 to 14.5
12 to 15
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 83 to 87.1
74 to 81.9
Manganese (Mn), % 0 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0050