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EN 1.4749 Stainless Steel vs. S35125 Stainless Steel

Both EN 1.4749 stainless steel and S35125 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 63% of their average alloy composition in common. There are 32 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 EN 1.4749 stainless steel and the bottom bar is S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16
39
Fatigue Strength, MPa 190
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
78
Shear Strength, MPa 370
370
Tensile Strength: Ultimate (UTS), MPa 600
540
Tensile Strength: Yield (Proof), MPa 320
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
490
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 9.6
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 2.5
6.4
Embodied Energy, MJ/kg 36
89
Embodied Water, L/kg 160
210

Common Calculations

PREN (Pitting Resistance) 31
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
170
Resilience: Unit (Modulus of Resilience), kJ/m3 250
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 4.6
3.1
Thermal Shock Resistance, points 22
12

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.1
Chromium (Cr), % 26 to 29
20 to 23
Iron (Fe), % 68.5 to 73.7
36.2 to 45.8
Manganese (Mn), % 0 to 1.0
1.0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015