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S30815 Stainless Steel vs. EN 1.4325 Stainless Steel

Both S30815 stainless steel and EN 1.4325 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is EN 1.4325 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 320
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 480
450
Tensile Strength: Ultimate (UTS), MPa 680
650
Tensile Strength: Yield (Proof), MPa 350
210

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1020
930
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 17
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.0
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 24
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
230
Resilience: Unit (Modulus of Resilience), kJ/m3 310
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0.050 to 0.1
0.030 to 0.15
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
17 to 19
Iron (Fe), % 62.8 to 68.4
67.8 to 75
Manganese (Mn), % 0 to 0.8
0 to 2.0
Nickel (Ni), % 10 to 12
8.0 to 10
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030