Steel Grade
1.4301 - 304
STANDARDS | CHEMICAL COMPOSITION % | ||||||||||||
C | Mn | Si | P | S | Cr | Ni | Mo | N | Ti | Cu | Co | OTHER | |
EN 10088-2 | max | max | max | max | max | 17.5-19.5 | 8.0-10.5 | – | max | – | – | – | |
ASTM A 240 | max | max | max | max | max | 18.0-20.0 | 8.0-10.5 | – | max | – | – | – | |
OTELINOX | 0.031-0.069 | 0.82-1.9 | 0.20-0.70 | 0.017-0.038 | 0.000-0.012 | 18.0-18.79 | 8.0-8.5 | 0.00- 0.49 | 0.018-0.083 | 0.00-0.15 | 0.006-0.45 | 0.03-0.08 | Al=0.01-0.02 |
EUROPE TYPE | USA TYPE | OTELINOX TYPE | PRACTICABILITY | |||||
Corrosion resistance | Cold forming | Weldability | Mechanical strength level | Resistance of hot oxidation | Utilizations | |||
1.4310 | 304 | 304 Ni=8-8.5% | **** | *** | **** | *** | ** | Washing machines, dish washers, gaskets, jeans buttons, cooking wares, panels, springs, pipes, sinks, computer and monitor parts, battery cases, window spacers |
* Low; **Medium; *** Good; **** Very good; ***** Excellent.
| 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 | ≥ 230 | ≥ 260 | 540-750 | ≥ 45 | ||
ASTM A 240 | 2B & BA | ≥ 205 | ≥ 515 | ≥ 40 | ≤ 201 | ≤ 92 | |
OTELINOX | 2B | 250 – 360 | 300 – 390 | 595 – 710 | 48 – 63 | 164 – 180 | 80 – 90 |
2R & BA | 255 – 355 | 285 – 390 | 615 – 750 | 48 – 71 | 174 – 200 | 80 – 90 | |
MECHANICAL PROPERTIES IN COLD-WORKED CONDITION | ||||||||
MECHANICAL PROPERTIES | C700 [700-850) | C850 [850-1000) | C1000 [1000-1150) | C1150 [1150-1300) | C1300 [1300-1500) | C1500 [1500-1700) | C1700 [1700-1900) | C1900 [1900-2200] |
0.2% Proof strength | 545 – 630 | 595 – 825 | 720 – 970 | 1020 – 1165 | – | – | – | – |
Elongation % | 33 – 37 | 21.0 – 39.0 | 17 – 25 | 1.5 – 9.5 | – | – | – | – |
Hardness | 249 – 283 | 248 – 342 | 317 – 361 | 354 – 415 | – | – | – | – |
MECHANICAL PROPERTIES IN COLD-WORKED CONDITION (According to ASTM A 666) | |||||||||
ASTM | OTELINOX | ||||||||
SURFACE FINISH | TENSILE STRENGTH (N/mm2) | 0.2% Proof str. [N/mm2] | Elongation [%] | Hardness [HV] | |||||
1/4H | 860-1034 | 600 – 870 | 21.0 – 39.0 | 248 – 351 | |||||
1/2H | 1035-1204 | – | – | – | |||||
3/4H | 1205-1274 | – | – | – | |||||
Full Hard | 1275 | – | – | – | |||||