Specificatii
De la Ø 6 pana la 50 mm (Domeniul imperial: 1/4″ – 2″)
COMPOZITIE CHIMICA, % DIN GREUTATE
| MARCA DE OTEL | C | Si max | Mn | P max | S max | Cr | Mo | Ni | V |
|---|---|---|---|---|---|---|---|---|---|
| X20Cr13 | 0.16-0.26 | 1 | max 1.50 | 0.04 | 0.03 | 12.0-14.0 | – | – | – |
| X46Cr13 | 0.43-0.55 | 1 | max 1.0 | 0.04 | 0.03 | 12.5-14.5 | – | – | – |
| X17CrNi16-2 | 0.16-0.25 | 1 | max 1.50 | 0.04 | 0.03 | 15.0-17.0 | – | 1.5-2.5 | – |
Pentru Ck45 si C35E: Cr+Mo+N i≤ 0.63%.
PROPRIETATI MECANICE
| MARCA DE OTEL (stare) | Rezistenta la rupere Rm | Limita de curgere Rp0.2 | Alungirea la rupere A5 | Duritatea maxima HB |
|---|---|---|---|---|
| – N/mm2 – | – N/mm2 – | – % min – | – A – | |
| X20Cr13 (Recopt) | max 760 | – | – | 230 |
| X46Cr13 (Recopt) | max 800 | – | – | 245 |
| X17CrNi16-2 (Recopt) | max 950 | – | – | 295 |
Tratament termic
| Ø – mm | Adancime de calire – mm |
|---|---|
| 2021-06-10 00:00:00 | 0.5 – 0.8 |
| 2021-12-15 00:00:00 | 0.8 – 1.4 |
| 16 – 18 | 1.1 – 1.5 |
| 20 – 22 | 1.2 – 1.5 |
| 24 | 1.4 – 1.6 |
| 25 | 1.5 – 1.7 |
| 28 | 1.5 – 1.8 |
| 30 – 35 | 1.5 – 1.9 |
| 40 – 45 | 1.6 – 2.0 |
| 50 – 80 | 2.2 – 2.6 |
| 90 – 100 | 2.2 – 3.2 |
| 110 – 140 | 2.5 – 3.5 |
| 140 – 160 | 2.8 – 4.0 |
Adancimea de calire: 0.5-4.0 in functie de diametru.
Duritatea suprafetei:
Marca otel C35E: intre 52 si 57 HRC
Marca otel Ck45: intre 55 si 60 HRC
Marca otel 20MnV6: intre 42 si 52 HRC
Marca otel 38MnVS6: intre 53 si 57 HRC
Marca otel 42CrMo4: intre 56 si 61 HRC
Adancimi de calire si duritati speciale: se pot efectua la cererea clientului.
Corespondenta marci otel
| MARCA DE OTEL | C | Si max | Mn | P max | S max | Cr | Mo | Ni | V |
|---|---|---|---|---|---|---|---|---|---|
| X20Cr13 | 0.16-0.26 | 1 | max 1.50 | 0.04 | 0.03 | 12.0-14.0 | – | – | – |
| X46Cr13 | 0.43-0.55 | 1 | max 1.0 | 0.04 | 0.03 | 12.5-14.5 | – | – | – |
| X17CrNi16-2 | 0.16-0.25 | 1 | max 1.50 | 0.04 | 0.03 | 15.0-17.0 | – | 1.5-2.5 | – |
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