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ASTM A204 Steel vs. EN 1.4646 Stainless Steel

Both ASTM A204 steel and EN 1.4646 stainless steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A204 steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 22
34
Fatigue Strength, MPa 200 to 220
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 330 to 360
500
Tensile Strength: Ultimate (UTS), MPa 520 to 590
750
Tensile Strength: Yield (Proof), MPa 290 to 330
430

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
910
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1420 to 1430
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
41
Embodied Water, L/kg 47
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 95
220
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 290
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 21
27
Strength to Weight: Bending, points 18 to 20
24
Thermal Shock Resistance, points 15 to 17
16