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Irin S355 jẹ ipele irin igbekalẹ boṣewa Yuroopu, ni ibamu si EN 10025-2: 2004, ohun elo S355 ti pin si awọn onigi didara akọkọ mẹrin:
Awọn ohun-ini ti irin igbekale S355 dara ju irin S235 ati S275 ni agbara ikore ati agbara fifẹ.
Awọn lẹta ati awọn nọmba ti o tẹle n ṣe alaye itumọ irin S355.
Ni isalẹ wa awọn tabili lati ṣe afihan iwe-ipamọ S355 irin irin pẹlu akopọ kemikali, agbara ikore, agbara fifẹ ati elongation, bbl Gbogbo iwe data ti DIN EN 10025-2 jẹ kanna bi BS EN 10025-2 ati awọn ipinlẹ ọmọ ẹgbẹ EU miiran.
Iwe data ti o wa ni isalẹ fihan ite S355 ohun elo kemikali irin.
| S355 Iṣọkan Kemikali% (≤) | ||||||||||
| Standard | Irin | Ipele | C | Si | Mn | P | S | Ku | N | Ọna ti deoxidation |
| EN 10025-2 | S355 | S355JR | 0.24 | 0.55 | 1.60 | 0.035 | 0.035 | 0.55 | 0.012 | Rimmed irin ko ba gba laaye |
| S355J0 (S355JO) | 0.20 | 0.55 | 1.60 | 0.030 | 0.030 | 0.55 | 0.012 | |||
| S355J2 | 0.20 | 0.55 | 1.60 | 0.025 | 0.025 | 0.55 | – | Pa ni kikun | ||
| S355K2 | 0.20 | 0.55 | 1.60 | 0.025 | 0.025 | 0.55 | – | Pa ni kikun | ||
Iwe data ti o wa ni isalẹ fun EN 10025 S355 awọn ohun-ini ẹrọ irin gẹgẹbi agbara ikore, agbara fifẹ ati elongation.
| Agbara Ikore S355 (≥ N /mm2); Dia. (d) mm | |||||||||
| Irin | Iwọn Irin (Nọmba Irin) | d≤16 | 16| 40 | 63 | 80 | 100 | 150 | 200 | |
| S355 | S355JR (1.0045) | 355 | 345 | 335 | 325 | 315 | 295 | 285 | 275 |
| S355J0 (1.0553) | |||||||||
| S355J2 (1.0577) | |||||||||
| S355K2 (1.0596) | |||||||||
| Agbara Fifẹ S355 (≥ N/mm2) | ||||
| Irin | Irin ite | d<3 | 3≤ d≤ 100 | 100 |
| S355 | S355JR | 510-680 | 470-630 | 450-600 |
| S355J0 (S355JO) | ||||
| S355J2 | ||||
| S355K2 | ||||
| Ilọsiwaju (≥%); Sisanra (d) mm | ||||||
| Irin | Irin ite | 3≤d≤40 | 40| 63 | 100 | 150 | |
| S355 | S355JR | 22 | 21 | 20 | 18 | 17 |
| S355J0 (S355JO) | ||||||
| S355J2 | ||||||
| S355K2 | 20 | 19 | 18 | 18 | 17 | |
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