ASTM A514 kalasi P ndi mtundu wa ASTM A514 zitsulo. Zomwe zatchulidwazi ndizoyenera kuzimitsidwa komanso kupsya mtima. Mipiringidzo ya ma graph pamakadi azinthu zomwe zili pansipa zikufanizira ASTM A514 giredi P ndi: zitsulo zopangidwa ndi aloyi m'gulu lomwelo (pamwamba), ma aloyi onse achitsulo (pakati), ndi nkhokwe yonse (pansi). Bar yodzaza imatanthawuza kuti ichi ndi mtengo wapamwamba kwambiri mu seti yoyenera. Malo odzaza theka amatanthauza kuti ndi 50% yapamwamba kwambiri, ndi zina zotero.
Chitsulo mbale A514 Gulu P ali pansi pa zitsulo muyezo specifications kuti mkulu zokolola mphamvu ASTM A514/A514M.A514GrP ndi aloyi mbale zitsulo ndi quenching ndi kutentha kutentha mankhwala pamene rolling.Pali zitsulo kalasi ofanana SA514 Grade P mu zitsulo muyezo ASME SA 514/SA 514M. Pamene zida zoperekera zitsulo ASTM A514Gr.P, mphero zimatulutsa chiphaso choyambirira choyesa mphero, komanso chachifupi ngati MTC chomwe chimafotokoza zamtengo wapatali wamankhwala, katundu wamakina, zotsatira zonse zoyesa pakugubuduza chitsulo A514. Gulu P.
Mechnical katundu wa A514 GrP aloyi zitsulo:
Makulidwe (mm) | Mphamvu zokolola (≥Mpa) | Tensile mphamvu (Mpa) | Elongation mu ≥,% |
50 mm | |||
T≤65 | 690 | 760-895 | 18 |
65 | 620 | 690-895 | 16 |
Chemical kapangidwe kwa A514GrP aloyi zitsulo (Kutentha Analysis Max%)
Zinthu zazikuluzikulu zopangidwa ndi A514GrP | ||||||||
C | Si | Mn | P | S | B | Cr | Mo | Ndi |
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 |