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EN 1.4477 Stainless Steel vs. EN 1.4034 Stainless Steel

Both EN 1.4477 stainless steel and EN 1.4034 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 1.4477 stainless steel and the bottom bar is EN 1.4034 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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