MakeItFrom.com
Menu (ESC)

EN 1.4945 Stainless Steel vs. EN 1.4841 Stainless Steel

Both EN 1.4945 stainless steel and EN 1.4841 stainless steel are iron alloys. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4945 stainless steel and the bottom bar is EN 1.4841 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 19 to 34
32
Fatigue Strength, MPa 230 to 350
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 430 to 460
430
Tensile Strength: Ultimate (UTS), MPa 640 to 740
650
Tensile Strength: Yield (Proof), MPa 290 to 550
260

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 520
440
Maximum Temperature: Mechanical, °C 920
1150
Melting Completion (Liquidus), °C 1490
1380
Melting Onset (Solidus), °C 1440
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.0
4.3
Embodied Energy, MJ/kg 73
62
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 23
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
170
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
23
Strength to Weight: Bending, points 20 to 22
21
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 14 to 16
15

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.2
Chromium (Cr), % 15.5 to 17.5
24 to 26
Iron (Fe), % 57.9 to 65.7
47.1 to 55.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 15.5 to 17.5
19 to 22
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.3 to 0.6
1.5 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 2.5 to 3.5
0