Na petrochemical mmepụta nkeji, nke a na-ejikarị chromium molybdenum ígwè na chromium molybdenum vanadium ígwè enweghị nkebi nchara ọkọlọtọ ọkọlọtọ.

GB9948 Igwe anaghị agba nchara maka mgbawa mmanụ ala

GB6479 “Pipu igwe anaghị agba nchara dị elu maka akụrụngwa fatịlaịza”

GB/T5310"Speamless steel pipe maka nnukwu mmiri ọkụ"

GB9948nwere chromium molybdenum ígwè ihe ọkwa ọkwa: 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo na na.

GB6479nwere chromium molybdenum ígwè ihe ọkwa: 12CrMo, 15CrMo, 1Cr5Mo, wdg.

GB/T5310 nwere chromium molybdenum ígwè na chromium molybdenum-vanadium ígwè ihe ọkwa: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, wdg.

Pipe Carbon Steel na-enweghị nkebi maka oke okpomọkụ

Tubes ígwè na-enweghị ntụpọ na austenitic Alloy Steel Tubes maka ndị na-ekpo ọkụ, ndị na-ekpo ọkụ na ndị na-ekpo ọkụ.

ASTM A333 - Tubes igwe anaghị agba nchara na welded maka ojiji Cryogenic

ASTM A335– enweghị nkebi ferritic alloy Steel nominal Pipe maka elu okpomọkụ ojiji

TS EN 10216-2 tubes ígwè na-abụghị alloy na alloy nwere njirimara okpomọkụ dị elu akọwapụtara

Ọkwa nke ígwè ihe gụnyere na ASTM A106: Gr.B, Gr.C

ASTM A213na-agụnye akara ule nke ígwè: T11,T12,T22,T23,T91

ASTM A333 / A335M nwere akara ihe igwe: P11, P12, P22, P5, P9, P91, P92