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S38815 Stainless Steel vs. EN 1.4749 Stainless Steel

Both S38815 stainless steel and EN 1.4749 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 77% 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 S38815 stainless steel and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
16
Fatigue Strength, MPa 230
190
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Shear Strength, MPa 410
370
Tensile Strength: Ultimate (UTS), MPa 610
600
Tensile Strength: Yield (Proof), MPa 290
320

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Corrosion, °C 400
450
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1310
1380
Specific Heat Capacity, J/kg-K 500
490
Thermal Expansion, µm/m-K 15
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.5
7.6
Embodied Carbon, kg CO2/kg material 3.8
2.5
Embodied Energy, MJ/kg 54
36
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 18
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
80
Resilience: Unit (Modulus of Resilience), kJ/m3 220
250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 15
22

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 13 to 15
26 to 29
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
68.5 to 73.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 5.5 to 6.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015