Material – EN 1.4550
Standard Specification for Seemless Steel Tubes for Pressure Purposes
Group - Ferrous Stainless Steel Alloys
Sub Group - EN 1.4550 Seemless Steel Tubes for Pressure Purposes
Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries
Grade Belongs to the Industry - Steel
| Chemical Composition | ||
|---|---|---|
| Carbon | C % | 0.080 max. |
| Silicon | Si % | 1.000 max. |
| Manganese | Mn % | 2.000 max. |
| Phosphorus | P % | 0.045 max. |
| Sulphur | S % | 0.015 max. |
| Chromium | Cr % | 17.000 - 19.000 |
| Nickel | Ni % | 9.000 - 12.000 |
| Niobium | Nb % | 1.000 max. |
| Iron | Fe % | Balance |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| Heat Treatment |
|---|
| Solution Annealing |
| Mechanical Properties | |
|---|---|
| Tensile Strength in Mpa | 500 - 1053.3 |
| Yield Strength in Mpa | 200 min. |
| Elongation in % | 4.1 - 64.9 |
| Reduction of Area in % | 69.3 - 76.257 |
| Hardness in HB | 230 max. |
| Impact in Joule | 55 J @ RT |
Cross Reference Table
| Material | Standard | Country | Grade Belong to the Industry |
|---|---|---|---|
| 1.4550 | EN | European Union | Tube |
| 1.455 | DIN | Germany | Steel |
| X6CrNiNb18 10 | DIN | Germany | Steel and Tube |
| X6CrNiNb18 10 | ISO | International | Steel, Forging and Bar |
| X6CrNiNb18 10S | ONORM | Australia | Steel |
| X6CrNiNb18 10 | AFNOR NF | France | Steel, Bar and Rods |
| Z8CNNb18-10 | AFNOR NF | France | Steel |