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S32950 Stainless Steel vs. EN 1.4736 Stainless Steel

Both S32950 stainless steel and EN 1.4736 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 83% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S32950 stainless steel and the bottom bar is EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
28
Fatigue Strength, MPa 330
230
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 480
370
Tensile Strength: Ultimate (UTS), MPa 780
580
Tensile Strength: Yield (Proof), MPa 550
310

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
500
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.0
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.4
2.4
Embodied Energy, MJ/kg 47
35
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 37
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 730
250
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 4.3
5.6
Thermal Shock Resistance, points 21
21

Alloy Composition

Aluminum (Al), % 0
1.7 to 2.1
Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 26 to 29
17 to 18
Iron (Fe), % 60.3 to 69.4
77 to 81.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 3.5 to 5.2
0
Nitrogen (N), % 0.15 to 0.35
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8