Steel Grades
1.4372 - 201
STANDARDS | CHEMICAL COMPOSITION % | ||||||||||||
C | Mn | Si | P | S | Cr | Ni | Mo | N | Ti | Cu | Co | OTHERS | |
EN 10088-2 | 0.050-0.150 | max2.0 | max2.0 | max0.045 | max0.015 | 16.00-19.00 | 6.00-9.50 | max0.80 | max0.11 | – | – | – | |
ASTM A 240 | Max.0.15 | max2.0 | max1.0 | max0.045 | max0.030 | 16.00-18.00 | 6.00-8.00 | – | max0.10 | – | – | – | |
OTELINOX | 0.09-0.11 | 0.98-1.16 | 1.0-1.17 | 0.023-0.037 | 0.001-0.003 | 16.63-17.4 | 6.35-6.78 | 0.65- 0.79 | 0.050-0.073 | – | 0.27-0.39 | – | |
EUROPE TYPE | USA TYPE | OTELINOX TYPE | PRACTICABILITY | |||||
Corrosion resistance | Cold forming | Weldability | Mechanical strength level | Resistance of hot oxidation | Utilisations | |||
1.4310 | 301 | 301HT3 | *** | **** | *** | ***** | ** | 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.
| 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 | 250 | 280 | 600-950 | 40 | ||
| ASTM A 240 | 2B & BA | 205 | 515 | 40 | 217 | 95 | |
| OTELINOX | 2B | 300 – 375 | – | 780 – 890 | 49 – 60 | 87 – 93 | |
| 2R – BA | 325 – 400 | – | 830 – 950 | 42 – 58 | – | 79 – 90 | |
| MECHANICAL PROPERTIES IN COLD-WORKED CONDITION According to EN 10088 and EN 10151 standards | ||||||||||
| MECHANICAL PROPERTIES | C700 | C850 | C1000 | C1150 | C1300 | C1500 | C1700 | C1900 | ||
| Tensile strength[N/mm2] | ||||||||||
| [700-850) | [850-1000) | [1000-1150) | [1150-1300) | [1300-1500) | [1500-1700) | [1700-1900) | [1900-2200] | |||
| 0.2%Proof strength | OTELINOX | – | – | 540 – 850 | 600 – 980 | 770 – 1420 | 1140 – 1675 | 1269 – 1811 | 1740 – 2034 | |
| Elongation % | – | – | 25 – 40 | 17.5 – 36.5 | 9.0 – 23.0 | 1.0 – 17.0 | 1.0 – 2.5 | 1.0 – 2.0 | ||
| Hardness | – | – | 270 – 400 | 300 – 445 | 370 – 510 | 459 – 537 | 481 – 557 | 517 – 596 | ||
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 | 540 – 890 | 23.0 – 40.0 | 270 – 430 | |||||
3/4H | 1205-1274 | 635 – 975 | 19.5 – 31.5 | 320 – 440 | |||||
Full Hard | 1275 | 720 – 2035 | 1.0 – 23.0 | 365 – 580 | |||||