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EN 1.4005 Stainless Steel vs. EN 1.4935 Stainless Steel

Both EN 1.4005 stainless steel and EN 1.4935 stainless steel are iron alloys. They have a very high 98% 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 EN 1.4935 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 21
16 to 18
Fatigue Strength, MPa 240 to 290
350 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 390 to 450
480 to 540
Tensile Strength: Ultimate (UTS), MPa 630 to 750
780 to 880
Tensile Strength: Yield (Proof), MPa 370 to 500
570 to 670

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
380
Maximum Temperature: Mechanical, °C 760
740
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
24
Thermal Expansion, µm/m-K 10
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.9
Embodied Energy, MJ/kg 28
42
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 14
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
830 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
28 to 31
Strength to Weight: Bending, points 21 to 24
24 to 26
Thermal Diffusivity, mm2/s 8.1
6.5
Thermal Shock Resistance, points 23 to 27
27 to 30

Alloy Composition

Carbon (C), % 0.060 to 0.15
0.17 to 0.24
Chromium (Cr), % 12 to 14
11 to 12.5
Iron (Fe), % 82.4 to 87.8
83 to 86.7
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.6
0.8 to 1.2
Nickel (Ni), % 0
0.3 to 0.8
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.5
Sulfur (S), % 0.15 to 0.35
0 to 0.015
Tungsten (W), % 0
0.4 to 0.6
Vanadium (V), % 0
0.2 to 0.35