I-ASTM A514 grade P iwuhlobo lwensimbi ye-ASTM A514. Izakhiwo ezikhonjiwe zifanelekile esimweni esicishiwe nesithambile. Amabha egrafu kumakhadi wezinto ezibonakalayo angezansi aqhathanisa ne-ASTM A514 grade P na: izinsimbi ezihlanganisiwe zensimbi esigabeni esifanayo (phezulu), wonke ama-alloys ensimbi (maphakathi), kanye nesizindalwazi sonke (ngezansi). Ibha egcwele isho ukuthi leli inani eliphakeme kunawo wonke kusethi efanelekile. Ibha egcwele isigamu isho ukuthi i-50% ephezulu kakhulu, njalonjalo.
Ipuleti lensimbi i-A514 Ibanga P lingaphansi kokucaciswa okujwayelekile kwensimbi kumandla esivuno esiphezulu i-ASTM A514/A514M.A514GrP ipuleti lensimbi eliyingxubevange elinokushisa okucishayo nokushisa okushisayo lapho liginqika. Kukhona ibanga lensimbi elifanayo nele-SA514 Grade P ngokwezinga lensimbi i-ASME SA 514/SA 514M.Lapho kulethwa izinto zensimbi i-ASTM A514Gr.P, imboni yensimbi izokhipha isitifiketi sokuqala sokuhlola isigayo, futhi esifushane njenge-MTC esibika amanani okwakheka kwamakhemikhali okuyinhloko, impahla eyimishini, yonke imiphumela yokuhlolwa lapho kugingqika insimbi A514. Ibanga P.
Impahla yemishini ye-A514 GrP ingxubevange yensimbi:
| Ubukhulu (mm) | Amandla esivuno (≥Mpa) | Amandla okuqina (Mpa) | Ukwelula ku-≥,% |
| 50mm | |||
| T≤65 | 690 | 760-895 | 18 |
65 | 620 |
690-895 |
16 |
|
Ukwakheka kwamakhemikhali kwensimbi ye-A514GrP ingxubevange (Ukuhlaziywa Kokushisa Okuphezulu%)
| Ukwakheka kwezakhi zamakhemikhali eziyinhloko ze-A514GrP | ||||||||
| C | Si | UMn | P | S | B | Cr | Mo | Ni |
| 0.12-0.21 | 0.20-0.35 | 0.45-0.70 | 0.035 | 0.035 | 0.001-0.005 | 0.85-1.20 | 0.45-0.60 | 1.20-1.50 |