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EN 1.4005 Stainless Steel vs. S35125 Stainless Steel

Both EN 1.4005 stainless steel and S35125 stainless steel are iron alloys. They have 55% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4005 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, % 13 to 21
39
Fatigue Strength, MPa 240 to 290
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 390 to 450
370
Tensile Strength: Ultimate (UTS), MPa 630 to 750
540
Tensile Strength: Yield (Proof), MPa 370 to 500
230

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
490
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
36
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.0
6.4
Embodied Energy, MJ/kg 28
89
Embodied Water, L/kg 100
210

Common Calculations

PREN (Pitting Resistance) 14
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 27
19
Strength to Weight: Bending, points 21 to 24
18
Thermal Diffusivity, mm2/s 8.1
3.1
Thermal Shock Resistance, points 23 to 27
12

Alloy Composition

Carbon (C), % 0.060 to 0.15
0 to 0.1
Chromium (Cr), % 12 to 14
20 to 23
Iron (Fe), % 82.4 to 87.8
36.2 to 45.8
Manganese (Mn), % 0 to 1.5
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.6
2.0 to 3.0
Nickel (Ni), % 0
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0.15 to 0.35
0 to 0.015