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EN 1.4310 Stainless Steel vs. EN 1.4458 Stainless Steel

Both EN 1.4310 stainless steel and EN 1.4458 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 1.4310 stainless steel and the bottom bar is EN 1.4458 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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