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EN 1.4618 Stainless Steel vs. ASTM A372 Grade J Steel

Both EN 1.4618 stainless steel and ASTM A372 grade J steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 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 1.4618 stainless steel and the bottom bar is ASTM A372 grade J steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
200 to 310
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
17 to 22
Fatigue Strength, MPa 240 to 250
310 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 480 to 500
410 to 630
Tensile Strength: Ultimate (UTS), MPa 680 to 700
650 to 1020
Tensile Strength: Yield (Proof), MPa 250 to 260
430 to 850

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 900
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
500 to 1930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 25
23 to 36
Strength to Weight: Bending, points 22 to 23
21 to 29
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 15 to 16
19 to 30

Alloy Composition

Carbon (C), % 0 to 0.1
0.35 to 0.5
Chromium (Cr), % 16.5 to 18.5
0.8 to 1.2
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 62.7 to 72.5
96.7 to 97.8
Manganese (Mn), % 5.5 to 9.5
0.75 to 1.1
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 4.5 to 5.5
0
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010

Comparable Variants