Steel Grade
1.4310 - 301 HT5
STANDARD | Compozitie chimica % | ||||||||||||
C | Mn | Si | P | S | Cr | Ni | Mo | N | Ti | Cu | Co | OTHER | |
EN 10088-2 | 0.05-0.15 | max | max | max | max | 16.00-19.00 | 6.0-9.5 | max | max | – | – | – | |
ASTM A 240 | max | max | max | max | max | 16.0-18.0 | 6.0-8.0 | – | max | – | – | – | |
OTELINOX | 0.095 | 1.05 | 1.1 | 0.025 | 0.002 | 16.8 | 6.5 | 0.2 | 0.01 | – | – | – | |
EUROPE TYPE | USA TYPE | OTELINOX TYPE | PRACTICABILITY | |||||
Corrosion resistance | Cold forming | Weldability | Mechanical strength level | Resistance of hot oxidation | Utilizations | |||
1.4310 | 301 | 301HT5 | *** | *** | *** | ***** | * | Automotive industry, chemical industry, building tools, decorative purposes, tubes, soles for safety shoes, gaskets, springs, pot lid, connectors, watch parts |
* Low; **Medium; *** Good; **** Very good; ***** Excellent.
STANDARD | 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 | ≥250 | ≥280 | 600-950 | ≥40 | ||
ASTM A 240 | 2B & BA | ≥205 | – | ≥515 | ≥40 | ≤217 | ≤95 |
OTELINOX | 2B | 300-410 | – | 760-920 | 40 | – | 79-93 |
2R & BA | 325-410 | – | 760-920 | 40 | – | 79-93 | |
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 | – | – | – | ≥650 | ≥800 | ≥1200 | ≥1500 | – |
Elongation % | – | – | – | ≥15.0 | ≥10.0 | ≥3.0 | ≥1.0 | – |
Hardness | – | – | – | – | – | – | – | – |
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 | – | – | – |
1/2H | 1035-1204 | ≥540 | 23.0-40.0 | – |
3/4H | 1205-1274 | ≥650 | 19.5-31.5 | – |
Full Hard | ≥1275 | ≥750 | 1.0-23.0 | – |