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EN 1.4029 Stainless Steel vs. S30815 Stainless Steel

Both EN 1.4029 stainless steel and S30815 stainless steel are iron alloys. They have 79% 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 EN 1.4029 stainless steel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 20
45
Fatigue Strength, MPa 270 to 400
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 440 to 550
480
Tensile Strength: Ultimate (UTS), MPa 700 to 930
680
Tensile Strength: Yield (Proof), MPa 410 to 740
350

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 750
1020
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
3.3
Embodied Energy, MJ/kg 28
47
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 14
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 120
260
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1410
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 33
25
Strength to Weight: Bending, points 23 to 27
22
Thermal Diffusivity, mm2/s 8.1
4.0
Thermal Shock Resistance, points 26 to 34
15

Alloy Composition

Carbon (C), % 0.25 to 0.32
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 12 to 13.5
20 to 22
Iron (Fe), % 82.8 to 87.6
62.8 to 68.4
Manganese (Mn), % 0 to 1.5
0 to 0.8
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.4 to 2.0
Sulfur (S), % 0.15 to 0.25
0 to 0.030