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EN 1.4057 Stainless Steel vs. EN 1.4658 Stainless Steel

Both EN 1.4057 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4057 stainless steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11 to 17
28
Fatigue Strength, MPa 320 to 430
530
Impact Strength: V-Notched Charpy, J 16 to 21
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 520 to 580
580
Tensile Strength: Ultimate (UTS), MPa 840 to 980
900
Tensile Strength: Yield (Proof), MPa 530 to 790
730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 400
460
Maximum Temperature: Mechanical, °C 850
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
4.5
Embodied Energy, MJ/kg 32
61
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 16
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1610
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30 to 35
32
Strength to Weight: Bending, points 26 to 28
26
Thermal Diffusivity, mm2/s 6.7
4.3
Thermal Shock Resistance, points 30 to 35
24

Alloy Composition

Carbon (C), % 0.12 to 0.22
0 to 0.030
Chromium (Cr), % 15 to 17
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 77.7 to 83.4
50.9 to 63.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 1.5 to 2.5
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010