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EN 1.4122 Stainless Steel vs. S30615 Stainless Steel

Both EN 1.4122 stainless steel and S30615 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 30 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 1.4122 stainless steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14
39
Fatigue Strength, MPa 260 to 360
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 480 to 520
470
Tensile Strength: Ultimate (UTS), MPa 790 to 850
690
Tensile Strength: Yield (Proof), MPa 450 to 630
310

Thermal Properties

Latent Heat of Fusion, J/g 280
340
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 870
960
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.4
3.7
Embodied Energy, MJ/kg 33
53
Embodied Water, L/kg 120
170

Common Calculations

PREN (Pitting Resistance) 20
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 31
25
Strength to Weight: Bending, points 25 to 26
23
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 28 to 30
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0.33 to 0.45
0.16 to 0.24
Chromium (Cr), % 15.5 to 17.5
17 to 19.5
Iron (Fe), % 77.2 to 83.4
56.7 to 65.3
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.3
0
Nickel (Ni), % 0 to 1.0
13.5 to 16
Phosphorus (P), % 0 to 0.040
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