1.4439 Stainless Steel
All You Need to Know About Precipitation Hardening Stainless Steel X2CrNiMoN17-13-5, 1.4439 According to EN 10088-3
What is 1.4439 Stainless Steel Grade
1.4439 is a derivative and better austenitic variant of the 316 and 317 steel grades, having higher Nickel, Molybdenum and Nitrogen content, which significantly increases the product’s resistance to pitting and crevice corrosion in Cl environments.
What is the chemical composition of 1.4439 stainless steel?
The chemical composition of 1.4439 stainless steel is:
| 1.4439 steel chemical element | % present |
|---|---|
| Carbon (C) [Max] | 0.030% |
| Silicon (Si) [Max] | 1.00% |
| Manganese (Mn) | 2.00% |
| Phosphorus (P) [Max] | 0.045% |
| Sulphur (S) [Max] | 0.015% |
| Chromium (Cr) [Max | 16.5 to 18.5% |
| Molybdenum (Mo) [Max] | 4.00 to 5.00% |
| Nickel (Ni) [Max] | 12.50 to 14.50% |
| Nitrogen (N) [Max] | 0.12 to 0.22% |
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