MakeItFrom.com
Menu (ESC)

AISI 439 Stainless Steel vs. EN 1.4057 Stainless Steel

Both AISI 439 stainless steel and EN 1.4057 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
11 to 17
Fatigue Strength, MPa 170
320 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 310
520 to 580
Tensile Strength: Ultimate (UTS), MPa 490
840 to 980
Tensile Strength: Yield (Proof), MPa 250
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 530
400
Maximum Temperature: Mechanical, °C 890
850
Melting Completion (Liquidus), °C 1510
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.2
Embodied Energy, MJ/kg 34
32
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 18
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
96 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 160
700 to 1610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
30 to 35
Strength to Weight: Bending, points 18
26 to 28
Thermal Diffusivity, mm2/s 6.7
6.7
Thermal Shock Resistance, points 16
30 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0.12 to 0.22
Chromium (Cr), % 17 to 19
15 to 17
Iron (Fe), % 77.1 to 82.8
77.7 to 83.4
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 0 to 0.5
1.5 to 2.5
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.2 to 1.1
0