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S30815 Stainless Steel vs. EN 1.4451 Stainless Steel

Both S30815 stainless steel and EN 1.4451 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 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 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
25
Fatigue Strength, MPa 320
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 680
750
Tensile Strength: Yield (Proof), MPa 350
540

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 1020
1100
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
17
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.8
Embodied Energy, MJ/kg 47
53
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 24
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
170
Resilience: Unit (Modulus of Resilience), kJ/m3 310
710
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 4.0
4.5
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.030
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
25 to 27
Copper (Cu), % 0
2.8 to 3.5
Iron (Fe), % 62.8 to 68.4
56.2 to 64.6
Manganese (Mn), % 0 to 0.8
0 to 1.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 10 to 12
5.0 to 7.0
Nitrogen (N), % 0.14 to 0.2
0.12 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025