Steel Grade
1.4310 - 301 HT1
STANDARDS | CHEMICAL COMPOSITION % | ||||||||||||
C | Mn | Si | P | S | Cr | Ni | Mo | N | Ti | Cu | Co | OTHER | |
EN 10088-2 | 0.050-0.150 | max 2.0 | max 2.0 | max 0.045 | max 0.015 | 16.00-19.00 | 6.00-9.50 | max 0.80 | max 0.11 | – | – | – | |
ASTM A 240 | Max .0.15 | max 2.0 | max 1.0 | max 0.045 | max 0.030 | 16.00-18.00 | 6.00-8.00 | – | max 0.10 | – | – | – | |
OTELINOX | 0.092-0.120 | 0.91-1.06 | 0.35-0.45 | 0.025-0.039 | 0.001-0.002 | 16.72-17.25 | 7.01-7.15 | 0.11- 0.24 | 0.039-0.055 | – | 0.19-0.39 | – | |
EUROPE TYPE | USA TYPE | OTELINOX TYPE | PRACTICABILITY | |||||
Corrosion resistance | Cold forming | Weldability | Mechanical strength level | Resistance of hot oxidation | Utilisations | |||
1.4310 | 301 | 301HT1 | *** | *** | *** | **** | * | 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.
| 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 | 275 – 330 | 310 – 385 | 730 – 865 | 51 – 61 | 84 – 91 | |
2R & BA | |||||||
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 | – | – | – | 780 – 1090 | 990 – 1270 | 1270 – 1650 | – | – |
Elongation % | – | – | – | 13.0 – 27.0 | 9.5 – 20.5 | 1.0 – 2.5 | – | – |
Hardness | – | – | – | 350 – 460 | 390 – 515 | 460 – 525 | – | – |
MECHANICAL PROPERTIES IN COLD-WORKED CONDITION (acc. 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 | – | – | – |
3/4H | 1205-1274 | – | – | – |
Full Hard | ≥1275 | 985 – 1650 | 1.0 – 20.5 | 390 – 525 |