MakeItFrom.com
Menu (ESC)

EN 1.4104 Stainless Steel vs. EN 1.4958 Stainless Steel

Both EN 1.4104 stainless steel and EN 1.4958 stainless steel are iron alloys. They have 64% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4104 stainless steel and the bottom bar is EN 1.4958 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 23
40
Fatigue Strength, MPa 230 to 310
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 400 to 450
430
Tensile Strength: Ultimate (UTS), MPa 630 to 750
630
Tensile Strength: Yield (Proof), MPa 350 to 560
190

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 860
1090
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
30
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
5.3
Embodied Energy, MJ/kg 30
75
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 800
95
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 27
22
Strength to Weight: Bending, points 21 to 24
20
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 22 to 27
15

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Carbon (C), % 0.1 to 0.17
0.030 to 0.080
Chromium (Cr), % 15.5 to 17.5
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 78.8 to 84.1
41.1 to 50.6
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.6
0
Nickel (Ni), % 0
30 to 32.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0.15 to 0.35
0 to 0.010
Titanium (Ti), % 0
0.2 to 0.5