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Which material is best for chemical processing equipment?
Quick answer
Mild chemicals: SS 316L Stainless Steel or SS 304L Stainless Steel. Acids (sulphuric, phosphoric): SS 904L Stainless Steel or Incoloy 825. Hot, mixed or contaminated acids: Hastelloy C276 or Hastelloy C22. Caustic: Nickel 200 or Nickel 201.
| Service condition | Recommended materials |
|---|---|
| Mild chemicals | SS 316L Stainless Steel, SS 304L Stainless Steel |
| Acids (sulphuric, phosphoric) | SS 904L Stainless Steel, Incoloy 825 |
| Hot, mixed or contaminated acids | Hastelloy C276, Hastelloy C22 |
| Caustic | Nickel 200, Nickel 201 |
Products
Buying tips
- Share process chemistry for material review
- Consider IGC testing for welded stainless
- Match weld fillers to base metal
- Plan for inspection access
Industries
Frequently asked questions
What is the best material for chemical processing equipment?
It depends on the service condition. Mild chemicals: SS 316L or SS 304L; Acids (sulphuric, phosphoric): SS 904L or Incoloy 825; Hot, mixed or contaminated acids: Hastelloy C276 or Hastelloy C22; Caustic: Nickel 200 or Nickel 201.
Which product forms are used for chemical processing equipment?
Plates, Pipes, Tubes, Fittings, Flanges.
How should I specify materials for this application?
Share process chemistry for material review. Consider IGC testing for welded stainless. Match weld fillers to base metal. Plan for inspection access.