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EN 1.4034 Stainless Steel vs. EN 1.4477 Stainless Steel

Both EN 1.4034 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4034 stainless steel and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 14
22 to 23
Fatigue Strength, MPa 230 to 400
420 to 490
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 420 to 540
550 to 580
Tensile Strength: Ultimate (UTS), MPa 690 to 900
880 to 930
Tensile Strength: Yield (Proof), MPa 390 to 730
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
13
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
20
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
3.7
Embodied Energy, MJ/kg 27
52
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 14
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 32
31 to 33
Strength to Weight: Bending, points 22 to 27
26 to 27
Thermal Diffusivity, mm2/s 8.1
3.5
Thermal Shock Resistance, points 24 to 32
23 to 25

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.030
Chromium (Cr), % 12.5 to 14.5
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 83 to 87.1
56.6 to 63.6
Manganese (Mn), % 0 to 1.0
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 0
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015