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EN 1.3955 Stainless Steel vs. S30452 Stainless Steel

Both EN 1.3955 stainless steel and S30452 stainless steel are iron alloys. They have a very high 98% 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 1.3955 stainless steel and the bottom bar is S30452 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
34
Fatigue Strength, MPa 150
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 520
660
Tensile Strength: Yield (Proof), MPa 220
310

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 930
960
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 16
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.0
Embodied Energy, MJ/kg 45
43
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 19
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
180
Resilience: Unit (Modulus of Resilience), kJ/m3 130
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 4.1
4.2
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 16.5 to 18.5
18 to 20
Iron (Fe), % 65.5 to 73.5
66.3 to 73.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 10 to 12
8.0 to 10.5
Nitrogen (N), % 0
0.16 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030