API 7-1 Li-Collars tsa Non-Magnetic Drill bakeng sa ho Cheka Seliba
Li-collar tsa ho cheka ke li-tubula tsa lebota tse teteaneng tse entsoeng ka litšepe tse tiileng 'me li etsoa ho ea ka litlhaloso ho kopana le/kapa ho feta litlhaloso tsa API.Boiphihlelo ba rona mabapi le tlhahiso ea thepa, thepa ea mochini, kalafo ea mocheso, machining le tlhahlobo li bonahatsoa ts'ebetsong ea sehlahisoa sa rona.Li-collars tsa Drill li tla ka meralo e boreleli le e pota-potileng e nang le likarolo tse ling bakeng sa ts'ebetso e bolokehileng le e se nang mathata.
| Element | P530 P530 HS | P550 | P580 | P750 | P750I |
| Khabone | max.0.05 | max.0.06 | max.0.06 | max.0.03 | max.0.03 |
| Manganese | 18.50-20.00 | 20.00-21.60 | 22.00-24.50 | 1.50-3.00 | 1.50-3.00 |
| Chromium | 13.00-14.00 | 18.30-20.00 | 22.00-24.50 | 26.50-29.50 | 26.50-29.50 |
| Molyddenum | 0.40-0,60 | min.0.50 | max.1.50 | 2.00-4.00 | 2.00-4.00 |
| Naetrojene | 0.25-0,40 | min.0.60 | max.0.75 | min.0.20 | min.0.20 |
| Nickel | max.1.50 | min.2.00 | max.2.50 | 28.00-31.50 | 28.00-31.50 |
* P530 HS Ha e bapisoa le P 530 e bontša matla a chai a holimo
* HS (matla a phahameng)
| Element | P530 | P530 HS | P 550 | P580 | P750 | P750 ke* |
| Ho hlahisa matla min KSI 3 1/2 ho isa ho 6 7/8 OD 7″ ho isa ho 11″ OD | 110 100 | 120 110 | 140 130 | 140 130 | 140 130 | min 155 |
| Matla a tsitsipano KSI 3 1/2 ho isa ho 6 7/8 OD 7″ ho isa ho 11″ OD | 120 120 | 130 130 | 150 150 | 150 150 | 150 150 | min 160 |
| Elongation min % 3 1/2 ho isa ho 6 7/8 OD 7″ ho isa ho 11″ OD | 25 25 | 25 25 | 20 20 | 20 20 | 15 15 | 10 10 |
| Phokotso ea sebaka min.% | 50 | 50 | 50 | 50 | 50 | 50 |
| Matla a matla a min.ft. lb. | 90 | 90 | 60 | 60 | 100 | 80 |
| Ho thatafala - Brinell | 260-350 | 285-365 | 300-430 | 350-450 | 300-400 | 300-410 |
| Matla a mamello min.KSI/N=107 /N=105 | - - | +/-50 +/-60 | +/-60 +/-80 | +/-60 +/-80 | +/-60 +/-80 |
* E sebetsa feela bakeng sa litekanyo ho fihla ho OD = max.5,5 inch Sampling: 1 ″ ka tlase holimo
Botumo ba JINBAICHENG tlhahisong le phepelong ea likhoele tsa lithapo tsa Non-Mag bo ipapisitse le boiphihlelo bo batsi ba kahare ho tlhahiso ea tšepe le ka nepo.JINBAICHENG esale e le moetapele oa nts'etsopele ea lisebelisoa tsa Non-Mag, mekhoa e khethehileng ea tlhahiso le mekhoa ea tlhahlobo e kang hamore peening le ho etsa liteko tsa hot-spot.
