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ASTM A372 Grade J Steel vs. EN 1.4618 Stainless Steel

Both ASTM A372 grade J steel and EN 1.4618 stainless 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 ASTM A372 grade J steel and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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

Comparable Variants