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S31803 Stainless Steel vs. EN 1.4527 Stainless Steel

Both S31803 stainless steel and EN 1.4527 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S31803 stainless steel and the bottom bar is EN 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
40
Fatigue Strength, MPa 370
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 710
480
Tensile Strength: Yield (Proof), MPa 500
190

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 1060
1100
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 17
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.6
5.6
Embodied Energy, MJ/kg 49
78
Embodied Water, L/kg 160
210

Common Calculations

PREN (Pitting Resistance) 34
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
150
Resilience: Unit (Modulus of Resilience), kJ/m3 630
95
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 20
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 21 to 23
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 63.7 to 71.9
37.4 to 48.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
2.0 to 3.0
Nickel (Ni), % 4.5 to 6.5
27.5 to 30.5
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.030