Archwiliadau Deunydd Crai (Sylfaenol: Dadansoddiad Cemegol, Priodweddau Mecanyddol, Arwyneb)
Profion pibellau lled-gorffen: Prawf eddy 100%, prawf ultrosonig, prawf hydro, NDT, cyrydiad rhyngranbarthol, gwastatáu, ac ati.
Gorffen Archwiliad Pibell: Dadansoddiad Cemegol, Priodweddau Mecanyddol, Gwirio Arwyneb Pibellau, Cyrydiad Rhyngranol ...
Archwiliad Trydydd Parti: SGS, BV, ITS, LR ac ati.
Ardystiad: ASTM, ISO, ASME, CHI/Q, PED, CE, GHOST

Dur gwrthstaen austenitig:
TP304/TP304L/TP304LN/TP304H/S30432/TP310S/TP310H/S31050
Tp316/tp316l/tp316ln/tp316t/tp316lmod/tp317l/tp321/tp321h/tp347/tp347hfg
Dur Di-staen Duplex Ferrite-Austenite:
S31500/S31803/S32205/S32750/S32760
Aloi nicel:
N08800/N08810/N08811/N08020/N08825/N08028/N06600/N06601/N06625
Arwyneb:
Rhif 1, Rhif 2B, Rhif 4, BA, ac ati.
Rhif 1, Rhif 2B, Rhif 4, BA, ac ati.




