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EN 1.4034 Stainless Steel vs. ASTM A572 Steel

Both EN 1.4034 stainless steel and ASTM A572 steel are iron alloys. There are 30 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 EN 1.4034 stainless steel and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
18 to 25
Fatigue Strength, MPa 230 to 400
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 420 to 540
300 to 380
Tensile Strength: Ultimate (UTS), MPa 690 to 900
470 to 620
Tensile Strength: Yield (Proof), MPa 390 to 730
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 770
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
51
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 27
22
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
290 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 32
17 to 22
Strength to Weight: Bending, points 22 to 27
17 to 21
Thermal Diffusivity, mm2/s 8.1
14
Thermal Shock Resistance, points 24 to 32
14 to 18