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EN 1.4658 Stainless Steel vs. ASTM A204 Steel

Both EN 1.4658 stainless steel and ASTM A204 steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is ASTM A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
18 to 22
Fatigue Strength, MPa 530
200 to 220
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 580
330 to 360
Tensile Strength: Ultimate (UTS), MPa 900
520 to 590
Tensile Strength: Yield (Proof), MPa 730
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1420 to 1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
52
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.5
1.5
Embodied Energy, MJ/kg 61
20
Embodied Water, L/kg 200
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
220 to 290
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
18 to 21
Strength to Weight: Bending, points 26
18 to 20
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 24
15 to 17