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EN 1.3956 Stainless Steel vs. ASTM A203 Steel

Both EN 1.3956 stainless steel and ASTM A203 steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 stainless steel and the bottom bar is ASTM A203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 27
22 to 26
Fatigue Strength, MPa 240
210 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 650
520 to 590
Tensile Strength: Yield (Proof), MPa 330
290 to 390

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
3.2 to 4.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
1.6 to 1.7
Embodied Energy, MJ/kg 68
21 to 23
Embodied Water, L/kg 180
50 to 52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 270
230 to 410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
18 to 21
Strength to Weight: Bending, points 21
18 to 20
Thermal Shock Resistance, points 18
15 to 17