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S34565 Stainless Steel vs. AISI 347H Stainless Steel

Both S34565 stainless steel and AISI 347H stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common.

For each property being compared, the top bar is S34565 stainless steel and the bottom bar is AISI 347H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
39
Fatigue Strength, MPa 400
200
Poisson's Ratio 0.28
0.28
Reduction in Area, % 45
51
Rockwell B Hardness 88
81
Shear Modulus, GPa 80
77
Shear Strength, MPa 610
400
Tensile Strength: Ultimate (UTS), MPa 900
580
Tensile Strength: Yield (Proof), MPa 470
230

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 450
480
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 28
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.3
3.6
Embodied Energy, MJ/kg 73
52
Embodied Water, L/kg 210
150

Common Calculations

PREN (Pitting Resistance) 47
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
180
Resilience: Unit (Modulus of Resilience), kJ/m3 540
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
21
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 3.2
4.2
Thermal Shock Resistance, points 22
13

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.1
Chromium (Cr), % 23 to 25
17 to 19
Iron (Fe), % 43.2 to 51.6
64.1 to 74
Manganese (Mn), % 5.0 to 7.0
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 16 to 18
9.0 to 13
Niobium (Nb), % 0 to 0.1
0 to 1.0
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030