MakeItFrom.com
Menu (ESC)

EN 1.4958 Stainless Steel vs. EN 1.4034 Stainless Steel

Both EN 1.4958 stainless steel and EN 1.4034 stainless steel are iron alloys. They have 60% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4958 stainless steel and the bottom bar is EN 1.4034 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11 to 14
Fatigue Strength, MPa 170
230 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 430
420 to 540
Tensile Strength: Ultimate (UTS), MPa 630
690 to 900
Tensile Strength: Yield (Proof), MPa 190
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 500
390
Maximum Temperature: Mechanical, °C 1090
770
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
30
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
7.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.3
2.0
Embodied Energy, MJ/kg 75
27
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 21
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
81 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 95
400 to 1370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
25 to 32
Strength to Weight: Bending, points 20
22 to 27
Thermal Diffusivity, mm2/s 3.2
8.1
Thermal Shock Resistance, points 15
24 to 32

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0
Carbon (C), % 0.030 to 0.080
0.43 to 0.5
Chromium (Cr), % 19 to 22
12.5 to 14.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 41.1 to 50.6
83 to 87.1
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 30 to 32.5
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.2 to 0.5
0