Type 904L is a high alloy austenitic stainless steel that is known for its corrosion properties. This low carbon version of Type 904 stainless steel also offers other benefits to users including:
- Non-magnetic
- Stronger corrosion properties than Type 316L an 317L
- Good resistance to sulphuric, phosphoric and acetic acids
- High resistance to crevice and stress corrosion cracking
- Excellent formability and weldability
Due to all of the benefits of using Type 904L stainless steel, it can be found in a number of applications in wide variety of critical industries including:
- Cooling equipment for seawater
- Chemical processing of sulphuric, phosphoric and acetic acids
- Heat exchangers
- Condenser tubes
- Gas washing
- Control and instrumentation
- Oil and gas industry
- Pharmaceutical production
- Wiring in electrostatic precipitators
To be considered Type 904L, a stainless steel must have a unique chemical composition that includes the following:
- Fe balance
- Ni 23-28%
- Cr 19-23%
- Mo 4-5%
- Mn 2%
- Cu S 1-2.0%
- Si 0.7%
- S 0.3%
- N 0.1%
- P 0.03%
Post time: Aug-21-2020