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EN 1.4034 Stainless Steel vs. ASTM A369 Grade FP11

Both EN 1.4034 stainless steel and ASTM A369 grade FP11 are iron alloys. They have 87% of their average alloy composition in common. There are 31 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 ASTM A369 grade FP11.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
20
Fatigue Strength, MPa 230 to 400
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 420 to 540
300
Tensile Strength: Ultimate (UTS), MPa 690 to 900
470
Tensile Strength: Yield (Proof), MPa 390 to 730
240

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 770
430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 27
21
Embodied Water, L/kg 100
52

Common Calculations

PREN (Pitting Resistance) 14
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
80
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 32
17
Strength to Weight: Bending, points 22 to 27
17
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 24 to 32
14

Alloy Composition

Carbon (C), % 0.43 to 0.5
0.050 to 0.15
Chromium (Cr), % 12.5 to 14.5
1.0 to 1.5
Iron (Fe), % 83 to 87.1
96.1 to 97.7
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.5 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025