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ASTM A302 Alloy Steel vs. EN 1.4612 Stainless Steel

Both ASTM A302 alloy steel and EN 1.4612 stainless steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is EN 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 23
11
Fatigue Strength, MPa 250 to 280
860 to 950
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 370 to 390
1010 to 1110
Tensile Strength: Ultimate (UTS), MPa 590 to 620
1690 to 1850
Tensile Strength: Yield (Proof), MPa 350 to 390
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
790
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
16
Density, g/cm3 7.8 to 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
3.6
Embodied Energy, MJ/kg 20 to 21
50
Embodied Water, L/kg 48 to 50
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
190 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 22
60 to 65
Strength to Weight: Bending, points 20 to 21
40 to 43
Thermal Shock Resistance, points 17 to 18
58 to 63

Comparable Variants