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EN 1.4945 Stainless Steel vs. S30615 Stainless Steel

Both EN 1.4945 stainless steel and S30615 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 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 1.4945 stainless steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19 to 34
39
Fatigue Strength, MPa 230 to 350
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 430 to 460
470
Tensile Strength: Ultimate (UTS), MPa 640 to 740
690
Tensile Strength: Yield (Proof), MPa 290 to 550
310

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Corrosion, °C 520
410
Maximum Temperature: Mechanical, °C 920
960
Melting Completion (Liquidus), °C 1490
1370
Melting Onset (Solidus), °C 1440
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 30
19
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 5.0
3.7
Embodied Energy, MJ/kg 73
53
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 23
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
25
Strength to Weight: Bending, points 20 to 22
23
Thermal Diffusivity, mm2/s 3.7
3.7
Thermal Shock Resistance, points 14 to 16
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0.040 to 0.1
0.16 to 0.24
Chromium (Cr), % 15.5 to 17.5
17 to 19.5
Iron (Fe), % 57.9 to 65.7
56.7 to 65.3
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 15.5 to 17.5
13.5 to 16
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.3 to 0.6
3.2 to 4.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0