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EN 1.4404 Stainless Steel vs. EN 1.7335 Steel

Both EN 1.4404 stainless steel and EN 1.7335 steel are iron alloys. They have 70% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4404 stainless steel and the bottom bar is EN 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 43
21 to 22
Fatigue Strength, MPa 220 to 320
200 to 220
Impact Strength: V-Notched Charpy, J 91 to 93
31 to 35
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 420 to 550
310 to 330
Tensile Strength: Ultimate (UTS), MPa 600 to 900
500 to 520
Tensile Strength: Yield (Proof), MPa 240 to 570
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
430
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.8
1.6
Embodied Energy, MJ/kg 52
21
Embodied Water, L/kg 150
52

Common Calculations

PREN (Pitting Resistance) 26
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
210 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
18
Strength to Weight: Bending, points 20 to 26
18
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 13 to 20
15

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.18
Chromium (Cr), % 16.5 to 18.5
0.7 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 62.8 to 71.5
96.4 to 98.4
Manganese (Mn), % 0 to 2.0
0.4 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0.4 to 0.6
Nickel (Ni), % 10 to 13
0
Nitrogen (N), % 0 to 0.1
0 to 0.012
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010

Comparable Variants