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AISI 347H Stainless Steel vs. EN 1.4529 Stainless Steel

Both AISI 347H stainless steel and EN 1.4529 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 33 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 AISI 347H stainless steel and the bottom bar is EN 1.4529 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
43
Fatigue Strength, MPa 200
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 400
520
Tensile Strength: Ultimate (UTS), MPa 580
750
Tensile Strength: Yield (Proof), MPa 230
340

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 480
420
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.6
6.2
Embodied Energy, MJ/kg 52
84
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 18
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
260
Resilience: Unit (Modulus of Resilience), kJ/m3 140
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.2
3.2
Thermal Shock Resistance, points 13
17

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.020
Chromium (Cr), % 17 to 19
19 to 21
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 64.1 to 74
42.7 to 50.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 9.0 to 13
24 to 26
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010