SA516 Qib 55 steel ntawv yog tsuas yog siv rau nruab nrab thiab qis kub welded boilers thiab lwm yam siab hlab ntsha.In BS EN 10028-2 steel specification, muaj sib npaug steel cov ntaub ntawv li P265GH steel phaj, P295GH steel phaj thiab P355GH steel phaj.
ASTM A516 Steel Phaj Chemical Composition:
| Qib Steel | Qhov siab tshaj plaws C rau Thickness t (mm) | Mn forthickness t (hli) | Si | P max | S max | ||||
|---|---|---|---|---|---|---|---|---|---|
| 6 Tsawg dua lossis sib npaug t Tsawg dua lossis sib npaug rau 12.5 | 12.5<> | 25<> | 50 |
t<12.5 | t>12.5 | ||||
| ASTM A516 Qib 55 | 0.18 | 0.23 | 0.26 | 0.26 | 0.55-0.98 | 0.55-1.3 | 0.13-0.45 | 0.035 | 0.035 |
| ASTM A516 Qib 60 | 0.21 | 0.23 | 0.23 | 0.25 | 0.60-0.90 | 0.85-1.20 | 0.13-0.45 | 0.035 | 0.035 |
| ASTM A516 Qib 65 | 0.24 | 0.26 | 0.26 | 0.28 | 0.85-1.20 | 0.85-1.20 | 0.13-0.45 | 0.035 | 0.035 |
| ASTM A516 Qib 70 | 0.27 | 0.28 | 0.28 | 0.30 | 0.85-1.20 | 0.85-1.20 | 0.13-0.45 | 0.035 | 0.035 |
ASTM A516 Steel Phaj Mechanical Property:
| ASTM A516 Cov Lus Qhia Tshwj Xeeb | Tensile zog (MPa) | Yam tsawg kawg yieldstrength (MPa) | Yam tsawg kawg nkaus elongation (%) nyob rau hauv aguge ntev ntawm: | |
|---|---|---|---|---|
| 50 hli | 200 hli | |||
| Qib 55 | 380-515 | 205 | 23 | 27 |
| Qib 60 | 415-550 | 220 | 25 | 21 |
| Qib 65 | 450 | 240 | 23 | 19 |
| Qib 70 | 485 | 260 | 21 | 17 |
ASTM A516 Hlau Phaj Sib npaug steel qib:
| ASME | ASTM | TIAB SA 17155 | TS EN 10028 | SIB 1501 | |
|---|---|---|---|---|---|
| Qib Steel | Qib Steel | Lub npe | Tus lej | ||
| TIAB SA 516Gr60 | A516 Gr60 | HII | P265GH | 1.0425 | 161 430A |
| TIAB SA 516Gr65 | A516 Gr65 | 17 mn4 | P295 HWM | 1.0481 | |
| TIAB SA 516Gr70 | A516 Gr70 | P355GH | 224-490 A & B | ||
