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EN 1.4305 Stainless Steel vs. S38815 Stainless Steel

Both EN 1.4305 stainless steel and S38815 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4305 stainless steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
34
Fatigue Strength, MPa 190 to 330
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 420 to 550
410
Tensile Strength: Ultimate (UTS), MPa 610 to 900
610
Tensile Strength: Yield (Proof), MPa 220 to 570
290

Thermal Properties

Latent Heat of Fusion, J/g 290
370
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 930
860
Melting Completion (Liquidus), °C 1420
1360
Melting Onset (Solidus), °C 1380
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 15
19
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 42
54
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
170
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 830
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 32
22
Strength to Weight: Bending, points 20 to 27
21
Thermal Shock Resistance, points 14 to 20
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 17 to 19
13 to 15
Copper (Cu), % 0 to 1.0
0.75 to 1.5
Iron (Fe), % 66.4 to 74.9
56.1 to 67
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 8.0 to 10
13 to 17
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
5.5 to 6.5
Sulfur (S), % 0.15 to 0.35
0 to 0.020