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EN 1.4658 Stainless Steel vs. EN 1.4828 Stainless Steel

Both EN 1.4658 stainless steel and EN 1.4828 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is EN 1.4828 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
33
Fatigue Strength, MPa 530
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 580
430
Tensile Strength: Ultimate (UTS), MPa 900
650
Tensile Strength: Yield (Proof), MPa 730
260

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.5
3.4
Embodied Energy, MJ/kg 61
48
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 49
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
170
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
23
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 24
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 26 to 29
19 to 21
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
61.1 to 68.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 5.5 to 9.5
11 to 13
Nitrogen (N), % 0.3 to 0.5
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.5
1.5 to 2.5
Sulfur (S), % 0 to 0.010
0 to 0.015