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EN 1.4371 Stainless Steel vs. EN 1.4841 Stainless Steel

Both EN 1.4371 stainless steel and EN 1.4841 stainless steel are iron alloys. They have 74% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4371 stainless steel and the bottom bar is EN 1.4841 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45 to 51
32
Fatigue Strength, MPa 290 to 340
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 520 to 540
430
Tensile Strength: Ultimate (UTS), MPa 740 to 750
650
Tensile Strength: Yield (Proof), MPa 320 to 340
260

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 880
1150
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.3
Embodied Energy, MJ/kg 38
62
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 20
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
170
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 16 to 17.5
24 to 26
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.7 to 74.4
47.1 to 55.5
Manganese (Mn), % 6.0 to 8.0
0 to 2.0
Nickel (Ni), % 3.5 to 5.5
19 to 22
Nitrogen (N), % 0.15 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
1.5 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.015