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EN 1.4530 Stainless Steel vs. ACI-ASTM CH20 Steel

Both EN 1.4530 stainless steel and ACI-ASTM CH20 steel are iron alloys. They have 82% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4530 stainless steel and the bottom bar is ACI-ASTM CH20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
610

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 790
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 15
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.7
Embodied Energy, MJ/kg 46
53
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 19
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 48
22
Strength to Weight: Bending, points 29 to 35
21
Thermal Shock Resistance, points 35 to 47
15

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0 to 0.2
Chromium (Cr), % 11.5 to 12.5
22 to 26
Iron (Fe), % 74.4 to 77.3
54.7 to 66
Manganese (Mn), % 0 to 0.1
0 to 1.5
Molybdenum (Mo), % 1.9 to 2.2
0 to 0.5
Nickel (Ni), % 8.5 to 9.5
12 to 15
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 2.0
Sulfur (S), % 0 to 0.0050
0 to 0.040
Titanium (Ti), % 0.28 to 0.37
0