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EN 1.4470 Stainless Steel vs. ASTM A372 Grade J Steel

Both EN 1.4470 stainless steel and ASTM A372 grade J steel are iron alloys. They have 70% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4470 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, % 23
17 to 22
Fatigue Strength, MPa 320
310 to 570
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 680
650 to 1020
Tensile Strength: Yield (Proof), MPa 480
430 to 850

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1060
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 18
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 49
20
Embodied Water, L/kg 160
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 570
500 to 1930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23 to 36
Strength to Weight: Bending, points 22
21 to 29
Thermal Diffusivity, mm2/s 4.8
12
Thermal Shock Resistance, points 18
19 to 30

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.5
Chromium (Cr), % 21 to 23
0.8 to 1.2
Iron (Fe), % 63.7 to 71.9
96.7 to 97.8
Manganese (Mn), % 0 to 2.0
0.75 to 1.1
Molybdenum (Mo), % 2.5 to 3.5
0.15 to 0.25
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.010