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EN 1.4458 Stainless Steel vs. EN 1.4736 Stainless Steel

Both EN 1.4458 stainless steel and EN 1.4736 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4458 stainless steel and the bottom bar is EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
28
Fatigue Strength, MPa 150
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 510
580
Tensile Strength: Yield (Proof), MPa 190
310

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 430
500
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.0
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 5.4
2.4
Embodied Energy, MJ/kg 75
35
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 30
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 89
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 4.2
5.6
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 0
1.7 to 2.1
Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 19 to 22
17 to 18
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
77 to 81.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 26 to 30
0
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8