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ASTM A372 Grade J Steel vs. EN 1.4020 Stainless Steel

Both ASTM A372 grade J steel and EN 1.4020 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 310
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 22
13 to 34
Fatigue Strength, MPa 310 to 570
340 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 410 to 630
510 to 680
Tensile Strength: Ultimate (UTS), MPa 650 to 1020
770 to 1130
Tensile Strength: Yield (Proof), MPa 430 to 850
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
890
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.5
Embodied Energy, MJ/kg 20
37
Embodied Water, L/kg 51
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 1930
460 to 2290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 36
28 to 41
Strength to Weight: Bending, points 21 to 29
25 to 32
Thermal Shock Resistance, points 19 to 30
16 to 23

Alloy Composition

Carbon (C), % 0.35 to 0.5
0 to 0.15
Chromium (Cr), % 0.8 to 1.2
16.5 to 19
Iron (Fe), % 96.7 to 97.8
62.8 to 71.8
Manganese (Mn), % 0.75 to 1.1
11 to 14
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030

Comparable Variants