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EN 1.4034 Stainless Steel vs. S31260 Stainless Steel

Both EN 1.4034 stainless steel and S31260 stainless steel are iron alloys. They have 78% 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 1.4034 stainless steel and the bottom bar is S31260 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 14
23
Fatigue Strength, MPa 230 to 400
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Shear Strength, MPa 420 to 540
500
Tensile Strength: Ultimate (UTS), MPa 690 to 900
790
Tensile Strength: Yield (Proof), MPa 390 to 730
540

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.9
Embodied Energy, MJ/kg 27
53
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 14
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
160
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
720
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 32
28
Strength to Weight: Bending, points 22 to 27
24
Thermal Diffusivity, mm2/s 8.1
4.3
Thermal Shock Resistance, points 24 to 32
22

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.030
Chromium (Cr), % 12.5 to 14.5
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 83 to 87.1
59.6 to 67.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
0.1 to 0.5