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EN 1.4057 Stainless Steel vs. EN 1.4959 Stainless Steel

Both EN 1.4057 stainless steel and EN 1.4959 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 1.4959 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 17
40
Fatigue Strength, MPa 320 to 430
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 520 to 580
430
Tensile Strength: Ultimate (UTS), MPa 840 to 980
630
Tensile Strength: Yield (Proof), MPa 530 to 790
190

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 400
510
Maximum Temperature: Mechanical, °C 850
1090
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
5.4
Embodied Energy, MJ/kg 32
76
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 16
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1610
96
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 35
22
Strength to Weight: Bending, points 26 to 28
20
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 30 to 35
15

Alloy Composition

Aluminum (Al), % 0
0.25 to 0.65
Carbon (C), % 0.12 to 0.22
0.050 to 0.1
Chromium (Cr), % 15 to 17
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 77.7 to 83.4
39.4 to 50.5
Manganese (Mn), % 0 to 1.5
0 to 1.5
Nickel (Ni), % 1.5 to 2.5
30 to 34
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.25 to 0.65