ASTM Yakakwira goho simba simbi ndiro A514 Giredhi K inoshandiswa uko inokwenenzverwa, inokwenenzverwa, yakanyanya simba simbi inodiwa kuchengetedza uremu kana kusangana nekupedzisira simba zvinodiwa. Alloy simbi ndiro A514 Gr K inowanzo shandiswa sesimbi yezvimiro mukuvaka zvivakwa, cranes, kana mamwe machina mahombe anotsigira mitoro yakakwira. Kusvika ikozvino isu tinogona kupa iyo yakakura ukobvu kune yakakwirira simba simbi ndiro A514 Gr.K inosvika ku300 millimita nekupisa kurapwa kwekudzimwa uye kushatirwa.
ASTM A514 Structural Steel Plate iplate yesimbi inowira pasi peamburera yeQuenched and Tempered Alloy steel plates. Aya mahwendefa anorapwa Q&T apo anodziiswa nekutonhodzwa nekukasira. Iko kushoma kwegoho re100 ksi kunoita kuti ASTM A514 abrasion isingaite mahwendefa esimbi kuomarara uye kushandisa zvakakodzera. Zvinoenderana nezviyero zveASTM, aya mahwendefa esimbi eHigh Strength Alloy (HSA) anomiririra:
S = Structural Steel
514 = zvishoma goho simba
Q = kudzimwa uye kushatirwa
A, B, C, E, F, H, J, K, M, P, Q, R, S, T= mamakisi
Mechnical pfuma yeA514 Gr K Yakakwirira simba simbi:
Ukobvu (mm) | Goho simba (≥Mpa) | Kusimba simba (Mpa) | Elongation mu ≥,% |
50mm | |||
T≤65 | 690 | 760-895 | 18 |
65 | 620 | 690-895 | 16 |
Kemikari yakagadzirwa yeA514 Gr K simbi yakasimba (Heat Analysis Max%)
Huru makemikari zvinhu kuumbwa kweA514 Gr K | ||||||
C | Si | Mn | P | S | B | Mo |
0.10-0.20 | 0.15-0.30 | 1.10-1.50 | 0.035 | 0.035 | 0.001-0.005 | 0.45-0.55 |
Zveunyanzvi Zvinodiwa & Mamwe Masevhisi: