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EN 1.4630 Stainless Steel vs. S35125 Stainless Steel

Both EN 1.4630 stainless steel and S35125 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 57% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4630 stainless steel and the bottom bar is S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 170
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 300
370
Tensile Strength: Ultimate (UTS), MPa 480
540
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
490
Maximum Temperature: Mechanical, °C 800
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 28
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.5
6.4
Embodied Energy, MJ/kg 36
89
Embodied Water, L/kg 120
210

Common Calculations

PREN (Pitting Resistance) 15
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
170
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 7.5
3.1
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 13 to 16
20 to 23
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 77.1 to 86.7
36.2 to 45.8
Manganese (Mn), % 0 to 1.0
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.5
2.0 to 3.0
Nickel (Ni), % 0 to 0.5
31 to 35
Niobium (Nb), % 0 to 0.5
0.25 to 0.6
Phosphorus (P), % 0 to 0.050
0 to 0.045
Silicon (Si), % 0.2 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0.15 to 0.8
0