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AISI 439 Stainless Steel vs. EN 1.4612 Stainless Steel

Both AISI 439 stainless steel and EN 1.4612 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (10, 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 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
11
Fatigue Strength, MPa 170
860 to 950
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 310
1010 to 1110
Tensile Strength: Ultimate (UTS), MPa 490
1690 to 1850
Tensile Strength: Yield (Proof), MPa 250
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 530
450
Maximum Temperature: Mechanical, °C 890
790
Melting Completion (Liquidus), °C 1510
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
16
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.3
3.6
Embodied Energy, MJ/kg 34
50
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
190 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
60 to 65
Strength to Weight: Bending, points 18
40 to 43
Thermal Shock Resistance, points 16
58 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.15
1.4 to 1.8
Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 17 to 19
11 to 12.5
Iron (Fe), % 77.1 to 82.8
71.5 to 75.5
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 0 to 0.5
10.2 to 11.3
Nitrogen (N), % 0 to 0.030
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0.2 to 1.1
0.2 to 0.5