Stainless steel
1.4435 stainless steel
1.4435 is a low-carbon austenitic stainless steel, EN X2CrNiMo18-14-3. More Mo and Ni than 1.4404. Better pitting resistance than 316L – still not 904L. INDUSTRISTÅL supplies bar and plate with 3.1. Often used where 316L pits in pharma and process.
Typical applications
- Pharma and process
- Valves and fittings
- Chloride above 316L
Delivery conditions
- solution annealed
Designations
- W.Nr.
- 1.4435
- EN standard
- X2CrNiMo18-14-3
- AISI/SAE
- 316L
- SS (Sweden)
- 2353
- UNS
- S31603
- Group
- Stainless steel
Machinability and weldability
Yes. L carbon.
Sawing and machining
Sawing and cutting to size.
Certificates and documentation
EN 10204 3.1 as standard.
Dimension programme
| Form | Range | Note |
|---|---|---|
| Round bar | Ø20–160 mm | Higher Mo than 316L. |
| Flat bar | Cut to order | Stainless flat. |
| Plate | 3–40 mm thickness | When 316L is not enough in chloride. |
| Seamless tube | Ø13.5–Ø508 mm | DN8–DN500. Wall up to 31 mm. ASME 1/4–16″. |
| Welded tube | Ø21.3–Ø610 mm | Welded stainless. Wall to ISO 1127. State whether the weld seam must be documented. |
| Fittings | Ø12–Ø2000 mm | ASME 1/2–60″ (Ø15–Ø1524 mm). Type A and B. Not a stock statement. |
| Flanges | Ø14–Ø2000 mm | ASME 1/2–60″ (Ø15–Ø1524 mm). PN 6–400. Not a stock statement. |
Parts of the range are held by European partners; other dimensions can be sourced. The range is not a current stock status in every diameter — stock is confirmed on enquiry.
Frequently asked questions
- What is 1.4435?
- Low-carbon Mo austenite with more Mo than 1.4404.
- Is 1.4435 the same as 316L?
- Close family, different EN line. 1.4404 is 316L. 1.4435 has more Mo.
- Do you supply 1.4435 round bar?
- Yes. State Ø and length.
Read more
Send your enquiry
State grade, dimensions and quantity — or attach a drawing. We reply with a quote.