Steel Grade
1.4833 - 309S
STANDARDS | CHEMICAL COMPOSITION % | ||||||||||||
C | Mn | Si | P | S | Cr | Ni | Mo | N | Ti | Cu | Co | OTHER | |
EN 10088-2 | max | max | max | max | max | 22.0-24.0 | 12.0-14.0 | – | max | – | – | – | |
ASTM A 240 | max | max | max | max | max | 22.0-24.0 | 12.0-15.0 | – | – | – | – | – | |
OTELINOX | 0.053-0.065 | 1.13-1.17 | 0.35-0.45 | 0.020-0.025 | 0.001 | 22.34-22.46 | 13.71-13.82 | 0.08-0.19 | 0.018-0.025 | – | 0.17 | – | |
EUROPE TYPE | USA TYPE | OTELINOX TYPE | PRACTICABILITY | |||||
Corrosion resistance | Cold forming | Weldability | Mechanical strength level | Resistance of hot oxidation | Utilisations | |||
1.4828 | 309 | 309 | **** | ** | **** | **** | ***** | Heating elements |
* Low; **Medium; *** Good; **** Very good; ***** Excellent.
STANDARDS | MECHANICAL PROPERTIES AT AMBIENT TEMPERATURE IN ANNEALED CONDITION | ||||||
SURFACE FINISH | 0.2% Proof strength | 1% Proof strength | Tensile strength | Elongation % | Hardness | ||
N/mm2 | HB | HRB | |||||
EN 10088-2 | 2B & 2R | ≥ 210 | ≥ 250 | 500-700 | 33 | 192 | |
ASTM A 240 | 2B & BA | ≥ 205 | ≥ 515 | ≥ 40 | 217 | 95 | |
OTELINOX | 2B | 275 – 325 | 340 – 365 | 585 – 630 | 46 – 51 | 153 – 161 | 78 – 82 |
2R & BA | – | – | – | – | – | – | |