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AISI 436 Stainless Steel vs. EN 1.4749 Stainless Steel

Both AISI 436 stainless steel and EN 1.4749 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 89% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 436 stainless steel and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
16
Fatigue Strength, MPa 190
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Shear Strength, MPa 320
370
Tensile Strength: Ultimate (UTS), MPa 500
600
Tensile Strength: Yield (Proof), MPa 270
320

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 25
17
Thermal Expansion, µm/m-K 10
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.7
2.5
Embodied Energy, MJ/kg 38
36
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 20
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
80
Resilience: Unit (Modulus of Resilience), kJ/m3 190
250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 6.7
4.6
Thermal Shock Resistance, points 18
22

Alloy Composition

Carbon (C), % 0 to 0.12
0.15 to 0.2
Chromium (Cr), % 16 to 18
26 to 29
Iron (Fe), % 77.8 to 83.3
68.5 to 73.7
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.75 to 1.3
0
Niobium (Nb), % 0 to 0.8
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015