904L Stainless Steel

Principal Design Features: 904L is an austenitic stainless steel designed for moderate to high corrosion resistance. Its low carbon content improves cleanliness and weld strength.

Applications: Utility scrubber assemblies, acid and fertilizer production equipment.

Machinability: Slow speeds and positive feeds will minimize this alloy’s tendency to work harden and glaze. Use chip breakers where possible to overcome problems with long draggy chips.

Welding: Most common fusion and resistance methods may be employed. For maximum corrosion resistance, it is recommended to use filler metals of equal or higher alloy content.

904L Chemistry

Carbon0.02 max
Chromium19 – 23
Copper1 – 2
Iron2 max
NickelBalance
Manganese2 max
Molybdenum4 – 5
Nickel23 – 28
Phosphorus0.045 max
Silicon1 max
Sulphur0.035 max

904L Physical Data

Density (lb / cu. in.)0.285
Specific Gravity7.9
Specific Heat (Btu/lb/Deg F – [32-212 Deg F])0.12
Electrical Resistivity (microhm-cm (at 68 Deg F))480
Modulus of Elasticity Tension28.4

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This publication may include technical inaccuracies or typographical errors. Changes may be periodically made to the information herein.