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EN 1.4404 Stainless Steel vs. S30615 Stainless Steel

Both EN 1.4404 stainless steel and S30615 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 31 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 1.4404 stainless steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 43
39
Fatigue Strength, MPa 220 to 320
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 420 to 550
470
Tensile Strength: Ultimate (UTS), MPa 600 to 900
690
Tensile Strength: Yield (Proof), MPa 240 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 950
960
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 3.8
3.7
Embodied Energy, MJ/kg 52
53
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 26
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
25
Strength to Weight: Bending, points 20 to 26
23
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 13 to 20
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0 to 0.030
0.16 to 0.24
Chromium (Cr), % 16.5 to 18.5
17 to 19.5
Iron (Fe), % 62.8 to 71.5
56.7 to 65.3
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 13
13.5 to 16
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
3.2 to 4.0
Sulfur (S), % 0 to 0.015
0 to 0.030