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EN 1.4034 Stainless Steel vs. N08904 Stainless Steel

Both EN 1.4034 stainless steel and N08904 stainless steel are iron alloys. They have 60% 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 N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 14
38
Fatigue Strength, MPa 230 to 400
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 420 to 540
370
Tensile Strength: Ultimate (UTS), MPa 690 to 900
540
Tensile Strength: Yield (Proof), MPa 390 to 730
240

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
32
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.0
5.8
Embodied Energy, MJ/kg 27
79
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 14
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
170
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 32
19
Strength to Weight: Bending, points 22 to 27
18
Thermal Diffusivity, mm2/s 8.1
3.1
Thermal Shock Resistance, points 24 to 32
12

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.020
Chromium (Cr), % 12.5 to 14.5
19 to 23
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 83 to 87.1
38.8 to 53
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
23 to 28
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.035