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EN 1.4311 Stainless Steel vs. EN 1.4530 Stainless Steel

Both EN 1.4311 stainless steel and EN 1.4530 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4311 stainless steel and the bottom bar is EN 1.4530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 650
1030 to 1370

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 950
790
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 16
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 43
46
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 21
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
36 to 48
Strength to Weight: Bending, points 21
29 to 35
Thermal Shock Resistance, points 15
35 to 47

Alloy Composition

Aluminum (Al), % 0
0.6 to 0.8
Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 17.5 to 19.5
11.5 to 12.5
Iron (Fe), % 65.7 to 73.9
74.4 to 77.3
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 0
1.9 to 2.2
Nickel (Ni), % 8.5 to 11.5
8.5 to 9.5
Nitrogen (N), % 0.12 to 0.22
0 to 0.010
Phosphorus (P), % 0 to 0.045
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