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EN 1.4841 Stainless Steel vs. S31260 Stainless Steel

Both EN 1.4841 stainless steel and S31260 stainless steel are iron alloys. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4841 stainless steel and the bottom bar is S31260 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 32
23
Fatigue Strength, MPa 200
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Shear Strength, MPa 430
500
Tensile Strength: Ultimate (UTS), MPa 650
790
Tensile Strength: Yield (Proof), MPa 260
540

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.9
Embodied Energy, MJ/kg 62
53
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 26
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
160
Resilience: Unit (Modulus of Resilience), kJ/m3 170
720
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
28
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 24 to 26
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 47.1 to 55.5
59.6 to 67.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 19 to 22
5.5 to 7.5
Nitrogen (N), % 0 to 0.1
0.1 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 1.5 to 2.5
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
0.1 to 0.5