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EN 1.4458 Stainless Steel vs. EN 1.7335 Steel

Both EN 1.4458 stainless steel and EN 1.7335 steel are iron alloys. They have 49% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4458 stainless steel and the bottom bar is EN 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
21 to 22
Fatigue Strength, MPa 150
200 to 220
Impact Strength: V-Notched Charpy, J 67
31 to 35
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 510
500 to 520
Tensile Strength: Yield (Proof), MPa 190
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
44
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.4
1.6
Embodied Energy, MJ/kg 75
21
Embodied Water, L/kg 200
52

Common Calculations

PREN (Pitting Resistance) 30
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 89
210 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 4.2
12
Thermal Shock Resistance, points 12
15

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.18
Chromium (Cr), % 19 to 22
0.7 to 1.2
Copper (Cu), % 0 to 2.0
0 to 0.3
Iron (Fe), % 40.2 to 53
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), % 26 to 30
0
Nitrogen (N), % 0 to 0.2
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.010