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EN 1.4841 Stainless Steel vs. EN 1.4371 Stainless Steel

Both EN 1.4841 stainless steel and EN 1.4371 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 1.4841 stainless steel and the bottom bar is EN 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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