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AISI 347H Stainless Steel vs. AISI 410S Stainless Steel

Both AISI 347H stainless steel and AISI 410S stainless steel are iron alloys. Both are furnished in the annealed condition. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is AISI 347H stainless steel and the bottom bar is AISI 410S stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
25
Fatigue Strength, MPa 200
180
Poisson's Ratio 0.28
0.28
Reduction in Area, % 51
50
Rockwell B Hardness 81
78
Shear Modulus, GPa 77
76
Shear Strength, MPa 400
310
Tensile Strength: Ultimate (UTS), MPa 580
480
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 480
390
Maximum Temperature: Mechanical, °C 940
740
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
1.9
Embodied Energy, MJ/kg 52
27
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.2
8.1
Thermal Shock Resistance, points 13
17

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.080
Chromium (Cr), % 17 to 19
11.5 to 13.5
Iron (Fe), % 64.1 to 74
83.8 to 88.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 13
0 to 0.6
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030