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AISI 347H Stainless Steel vs. EN 1.4951 Stainless Steel

Both AISI 347H stainless steel and EN 1.4951 stainless steel are iron alloys. They have 83% 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 1.4951 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
38
Fatigue Strength, MPa 200
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Shear Strength, MPa 400
430
Tensile Strength: Ultimate (UTS), MPa 580
630
Tensile Strength: Yield (Proof), MPa 230
220

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 480
450
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
4.3
Embodied Energy, MJ/kg 52
61
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 18
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
190
Resilience: Unit (Modulus of Resilience), kJ/m3 140
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 4.2
3.9
Thermal Shock Resistance, points 13
14

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.040 to 0.080
Chromium (Cr), % 17 to 19
24 to 26
Iron (Fe), % 64.1 to 74
49.1 to 57
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 9.0 to 13
19 to 22
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015