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AISI 348H Stainless Steel vs. EN 1.4855 Stainless Steel

Both AISI 348H stainless steel and EN 1.4855 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 348H stainless steel and the bottom bar is EN 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
4.6
Fatigue Strength, MPa 200
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 580
500
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 500
610
Maximum Temperature: Mechanical, °C 940
1050
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 20
34
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
5.9
Embodied Energy, MJ/kg 56
85
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 18
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
19
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.1
3.7
Thermal Shock Resistance, points 13
11

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.3 to 0.5
Chromium (Cr), % 17 to 19
23 to 25
Cobalt (Co), % 0 to 0.2
0
Iron (Fe), % 63.8 to 73.6
42.6 to 51.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 13
23 to 25
Niobium (Nb), % 0.32 to 1.0
0.8 to 1.8
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0 to 0.1
0