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S32550 Stainless Steel vs. EN 1.4948 Stainless Steel

Both S32550 stainless steel and EN 1.4948 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 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 S32550 stainless steel and the bottom bar is EN 1.4948 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
48
Fatigue Strength, MPa 400
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 540
430
Tensile Strength: Ultimate (UTS), MPa 860
610
Tensile Strength: Yield (Proof), MPa 620
210

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 20
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.0
Embodied Energy, MJ/kg 53
43
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 40
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
230
Resilience: Unit (Modulus of Resilience), kJ/m3 940
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
22
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 4.4
4.5
Thermal Shock Resistance, points 23
14

Alloy Composition

Carbon (C), % 0 to 0.040
0.040 to 0.080
Chromium (Cr), % 24 to 27
17 to 19
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 57.2 to 67
66.8 to 75
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.9 to 3.9
0
Nickel (Ni), % 4.5 to 6.5
8.0 to 11
Nitrogen (N), % 0.1 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015