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EN 1.4458 Stainless Steel vs. EN 1.4310 Stainless Steel

Both EN 1.4458 stainless steel and EN 1.4310 stainless steel are iron alloys. They have 74% 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 1.4310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
14 to 45
Fatigue Strength, MPa 150
240 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 510
730 to 900
Tensile Strength: Yield (Proof), MPa 190
260 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
14
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
2.9
Embodied Energy, MJ/kg 75
42
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 30
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 89
170 to 830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
26 to 32
Strength to Weight: Bending, points 18
23 to 27
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 12
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 19 to 22
16 to 19
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
66.4 to 78
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.8
Nickel (Ni), % 26 to 30
6.0 to 9.5
Nitrogen (N), % 0 to 0.2
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.015