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AISI 334 Stainless Steel vs. EN 1.4948 Stainless Steel

Both AISI 334 stainless steel and EN 1.4948 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 334 stainless steel and the bottom bar is EN 1.4948 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
48
Fatigue Strength, MPa 150
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 360
430
Tensile Strength: Ultimate (UTS), MPa 540
610
Tensile Strength: Yield (Proof), MPa 190
210

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 490
410
Maximum Temperature: Mechanical, °C 1000
930
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
3.0
Embodied Energy, MJ/kg 59
43
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
230
Resilience: Unit (Modulus of Resilience), kJ/m3 96
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 12
14

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0.040 to 0.080
Chromium (Cr), % 18 to 20
17 to 19
Iron (Fe), % 55.7 to 62.7
66.8 to 75
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 19 to 21
8.0 to 11
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.15 to 0.6
0