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EN 1.4021 Stainless Steel vs. EN 1.4530 Stainless Steel

Both EN 1.4021 stainless steel and EN 1.4530 stainless steel are iron alloys. They have 88% 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 1.4021 stainless steel and the bottom bar is EN 1.4530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 630 to 880
1030 to 1370

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 760
790
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
15
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
3.4
Embodied Energy, MJ/kg 27
46
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 13
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 31
36 to 48
Strength to Weight: Bending, points 21 to 26
29 to 35
Thermal Shock Resistance, points 22 to 31
35 to 47

Alloy Composition

Aluminum (Al), % 0
0.6 to 0.8
Carbon (C), % 0.16 to 0.25
0 to 0.015
Chromium (Cr), % 12 to 14
11.5 to 12.5
Iron (Fe), % 83.2 to 87.8
74.4 to 77.3
Manganese (Mn), % 0 to 1.5
0 to 0.1
Molybdenum (Mo), % 0
1.9 to 2.2
Nickel (Ni), % 0
8.5 to 9.5
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.37