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EN 1.4911 Stainless Steel vs. ASTM A372 Grade J Steel

Both EN 1.4911 stainless steel and ASTM A372 grade J steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4911 stainless steel and the bottom bar is ASTM A372 grade J steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
17 to 22
Fatigue Strength, MPa 530
310 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 640
410 to 630
Tensile Strength: Ultimate (UTS), MPa 1070
650 to 1020
Tensile Strength: Yield (Proof), MPa 970
430 to 850

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 700
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 20
44
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 49
20
Embodied Water, L/kg 130
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
500 to 1930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
23 to 36
Strength to Weight: Bending, points 30
21 to 29
Thermal Diffusivity, mm2/s 5.4
12
Thermal Shock Resistance, points 37
19 to 30

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0.35 to 0.5
Chromium (Cr), % 9.8 to 11.2
0.8 to 1.2
Cobalt (Co), % 5.0 to 7.0
0
Iron (Fe), % 75.7 to 83.8
96.7 to 97.8
Manganese (Mn), % 0.3 to 1.3
0.75 to 1.1
Molybdenum (Mo), % 0.5 to 1.0
0.15 to 0.25
Nickel (Ni), % 0.2 to 1.2
0
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0.1 to 0.8
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0