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EN 1.4948 Stainless Steel vs. S17400 Stainless Steel

Both EN 1.4948 stainless steel and S17400 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, 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 S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 48
11 to 21
Fatigue Strength, MPa 200
380 to 670
Impact Strength: V-Notched Charpy, J 100
7.6 to 86
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 430
570 to 830
Tensile Strength: Ultimate (UTS), MPa 610
910 to 1390
Tensile Strength: Yield (Proof), MPa 210
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 930
850
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 43
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 19
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 110
880 to 4060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
32 to 49
Strength to Weight: Bending, points 21
27 to 35
Thermal Diffusivity, mm2/s 4.5
4.5
Thermal Shock Resistance, points 14
30 to 46

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.070
Chromium (Cr), % 17 to 19
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 66.8 to 75
70.4 to 78.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 8.0 to 11
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030