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EN 1.4948 Stainless Steel vs. EN 1.4877 Stainless Steel

Both EN 1.4948 stainless steel and EN 1.4877 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 68% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4948 stainless steel and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 48
36
Fatigue Strength, MPa 200
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 430
420
Tensile Strength: Ultimate (UTS), MPa 610
630
Tensile Strength: Yield (Proof), MPa 210
200

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
560
Maximum Temperature: Mechanical, °C 930
1150
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
37
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.0
6.2
Embodied Energy, MJ/kg 43
89
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 19
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
180
Resilience: Unit (Modulus of Resilience), kJ/m3 110
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.5
3.2
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0.040 to 0.080
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 17 to 19
26 to 28
Iron (Fe), % 66.8 to 75
36.4 to 42.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 8.0 to 11
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.010