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EN 1.4530 Stainless Steel vs. EN 1.4558 Stainless Steel

Both EN 1.4530 stainless steel and EN 1.4558 stainless steel are iron alloys. They have 65% 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 EN 1.4558 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 76
77
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
510

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 450
480
Maximum Temperature: Mechanical, °C 790
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.4
5.5
Embodied Energy, MJ/kg 46
77
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 19
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 48
18
Strength to Weight: Bending, points 29 to 35
18
Thermal Shock Resistance, points 35 to 47
12

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0.15 to 0.45
Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 11.5 to 12.5
20 to 23
Iron (Fe), % 74.4 to 77.3
39.2 to 47.9
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 1.9 to 2.2
0
Nickel (Ni), % 8.5 to 9.5
32 to 35
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.7
Sulfur (S), % 0 to 0.0050
0 to 0.015
Titanium (Ti), % 0.28 to 0.37
0 to 0.6