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S35125 Stainless Steel vs. EN 1.4740 Stainless Steel

Both S35125 stainless steel and EN 1.4740 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 60% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S35125 stainless steel and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
22
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 490
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 12
18
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 6.4
2.3
Embodied Energy, MJ/kg 89
32
Embodied Water, L/kg 210
120

Common Calculations

PREN (Pitting Resistance) 30
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 3.1
4.8

Alloy Composition

Carbon (C), % 0 to 0.1
0.3 to 0.5
Chromium (Cr), % 20 to 23
16 to 19
Iron (Fe), % 36.2 to 45.8
75.4 to 82.7
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 31 to 35
0 to 1.0
Niobium (Nb), % 0.25 to 0.6
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030