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S31727 Stainless Steel vs. EN 1.4825 Stainless Steel

Both S31727 stainless steel and EN 1.4825 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is EN 1.4825 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
17
Fatigue Strength, MPa 240
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 630
510
Tensile Strength: Yield (Proof), MPa 270
260

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1010
900
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 24
15
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 4.7
3.1
Embodied Energy, MJ/kg 64
43
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 35
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
72
Resilience: Unit (Modulus of Resilience), kJ/m3 190
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 20
18
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.35
Chromium (Cr), % 17.5 to 19
17 to 19
Copper (Cu), % 2.8 to 4.0
0
Iron (Fe), % 53.7 to 61.3
65.6 to 74.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.8 to 4.5
0 to 0.5
Nickel (Ni), % 14.5 to 16.5
8.0 to 10
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0.5 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030