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EN 1.4749 Stainless Steel vs. EN 1.4658 Stainless Steel

Both EN 1.4749 stainless steel and EN 1.4658 stainless steel are iron alloys. 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 1.4749 stainless steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 16
28
Fatigue Strength, MPa 190
530
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
81
Shear Strength, MPa 370
580
Tensile Strength: Ultimate (UTS), MPa 600
900
Tensile Strength: Yield (Proof), MPa 320
730

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 9.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.5
4.5
Embodied Energy, MJ/kg 36
61
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 31
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
240
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1280
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 22
32
Strength to Weight: Bending, points 21
26
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 22
24

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.030
Chromium (Cr), % 26 to 29
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 68.5 to 73.7
50.9 to 63.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
5.5 to 9.5
Nitrogen (N), % 0.15 to 0.25
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010