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EN 1.4434 Stainless Steel vs. EN 1.4112 Stainless Steel

Both EN 1.4434 stainless steel and EN 1.4112 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 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 1.4434 stainless steel and the bottom bar is EN 1.4112 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 41
20
Fatigue Strength, MPa 270
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 450
470
Tensile Strength: Ultimate (UTS), MPa 660
750
Tensile Strength: Yield (Proof), MPa 310
430

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
400
Maximum Temperature: Mechanical, °C 980
910
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.2
2.6
Embodied Energy, MJ/kg 57
37
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 32
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
130
Resilience: Unit (Modulus of Resilience), kJ/m3 240
480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
27
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 15
26

Alloy Composition

Carbon (C), % 0 to 0.030
0.85 to 1.0
Chromium (Cr), % 16.5 to 19.5
17 to 19
Iron (Fe), % 59.2 to 69.9
76.6 to 81.2
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0.9 to 1.3
Nickel (Ni), % 10.5 to 14
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0
0.070 to 0.12