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EN 1.4658 Stainless Steel vs. EN 1.4057 Stainless Steel

Both EN 1.4658 stainless steel and EN 1.4057 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 1.4658 stainless steel and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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