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EN 1.4062 Stainless Steel vs. S35125 Stainless Steel

Both EN 1.4062 stainless steel and S35125 stainless steel are iron alloys. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4062 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, % 23 to 34
39
Fatigue Strength, MPa 410 to 420
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 510
370
Tensile Strength: Ultimate (UTS), MPa 770 to 800
540
Tensile Strength: Yield (Proof), MPa 530 to 600
230

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 440
490
Maximum Temperature: Mechanical, °C 1030
1100
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
36
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.6
6.4
Embodied Energy, MJ/kg 37
89
Embodied Water, L/kg 150
210

Common Calculations

PREN (Pitting Resistance) 27
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170 to 230
170
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 910
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 29
19
Strength to Weight: Bending, points 24 to 25
18
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 21 to 22
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 21.5 to 24
20 to 23
Iron (Fe), % 69.3 to 77.3
36.2 to 45.8
Manganese (Mn), % 0 to 2.0
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.45
2.0 to 3.0
Nickel (Ni), % 1.0 to 2.9
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Nitrogen (N), % 0.16 to 0.28
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 0.010
0 to 0.015