Stôf drydan troellog aloi fecral elfen gwresogi coil gwresogi hyblyg
1 siâp: hysbysu gwifren gron, rhuban (gwifren fflat), stribed, neu far
2 arwyneb: llachar, gwyn asid, ocsidiad
Bydd 3 Tystysgrif Prawf Melin (MTC) yn cael ei ddarparu ar ôl ei gynhyrchu
4 dull pacio da i gadw nwyddau dim difrod wrth eu danfon
Perfformiad Enwebiad Alloy | 1cr13al4 | 0cr21al6 | 0cr21al4 | 0cr21al6nb | 0cr27al7mo2 | |||
Prif Gyfansoddiad Cemegol | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
Re | opportune | opportune | opportune | opportune | opportune | opportune | opportune | |
Fe | Gorffwysa ’ | Gorffwysa ’ | Gorffwysa ’ | Gorffwysa ’ | Gorffwysa ’ | Gorffwysa ’ | Gorffwysa ’ | |
Nb0.5 | MO1.8-2.2 | |||||||
Max. temp gwasanaeth parhaus. o elfen (° C) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Gwrthsefyll ar 20ºC (μω · m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
Dwysedd (g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Dargludedd thermol (kj/m · h · ºC) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | - | |
Cyfernod ehangu llinellau (α × 10-6/ºC) | 15.4 | 16 | 14.7 | 15 15 | 13.5 | 16 | 16 | |
Pwynt toddi oddeutu (ºC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Cryfder tynnol (n/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Elongation ar Rupture (%) | > 16 | > 12 | > 12 | > 12 | > 12 | > 12 | > 10 | |
Amrywiad arwynebedd (%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Ailadrodd amledd plygu (f/r) | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | |
Caledwch (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Amser gwasanaeth parhaus (oriau/ ºC) | - | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 | |
Micrograffig | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Priodweddau Magnetig | Magnetig | Magnetig | Magnetig | Magnetig | Magnetig | Magnetig | Magnetig |