GB13296-2013 (Paịpụ ígwè na-enweghị ntụpọ maka ihe na-ekpo ọkụ na ihe na-agbanwe okpomọkụ). A na-ejikarị ya eme ihe na boilers, superheaters, ihe na-agbanwe okpomọkụ, condensers, catalytic tubes, wdg. nke ụlọ ọrụ kemịkalụ. Ejiri paịpụ ígwè dị elu, nrụgide dị elu, na-eguzogide nchara. Ihe ndị a na-anọchite anya ya bụ 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, wdg. GB/T14975-1994 (Paịpụ ígwè anaghị agba nchara maka nhazi). A na-ejikarị ya eme ihe maka nhazi izugbe (ịchọ mma ụlọ nkwari akụ na ụlọ oriri na ọṅụṅụ) na nhazi igwe nke ụlọ ọrụ kemịkalụ, nke na-eguzogide mmebi ikuku na acid ma nwee ụfọdụ paịpụ ígwè siri ike. Ihe ndị a na-anọchite anya ya bụ 0-3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, wdg.

GB/T14976-2012 (Paịpụ ígwè anaghị agba nchara maka njem mmiri). A na-ejikarị ya eme ihe maka paịpụ ndị na-ebuga ihe mgbochi nchara. Ihe ndị a na-anọchite anya ya bụ 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti, wdg.

YB/T5035-2010 (Paịpụ ígwè na-enweghị ntụpọ maka aka aka axle ụgbọala). A na-ejikarị ya eme ọkpọkọ ígwè carbon dị elu na nke a na-akpọ alloy, nke a na-akpọkwa ọkpọkọ ígwè na-enweghị ntụpọ maka aka aka ọkara axle ụgbọala na ọkpọkọ axle nke ebe a na-adọba ụgbọala. Ihe ndị e ji mee ya bụ 45, 45Mn2, 40Cr, 20CrNi3A, wdg.

A na-ejikarị API SPEC 5L-2018 (nkọwapụta paịpụ ahịrị), nke American Petroleum Institute chịkọtara ma wepụta, eme ihe n'ụwa niile.

Paịpụ ahịrị: gụnyere paịpụ ndị na-enweghị ntụpọ na nke a na-agbakọta. Ngwụcha paịpụ ndị ahụ nwere nsọtụ dị larịị, nsọtụ eriri na nsọtụ oghere; ụzọ njikọ bụ njikọta njedebe, njikọ njikọ, njikọ oghere, wdg. Ihe ndị bụ isi bụ GR.B, X42, X52. X56, X65, X70 na ọkwa ígwè ndị ọzọ.

Ọ bụ American Petroleum Institute (American Petreleum Instiute, nke a na-akpọ "API") chịkọtara ma wepụta API SPEC5CT-2012 (Nkọwapụta nke mkpuchi na ọkpọkọ) ma jiri ya mee ihe n'akụkụ niile nke ụwa.

na:

Mkpọchi: Paịpụ nke na-esi n'elu ala banye n'olulu mmiri ma na-eje ozi dị ka ihe mkpuchi mgbidi olulu mmiri. A na-ejikọ paịpụ ndị ahụ site na njikọ. Ihe ndị bụ isi bụ ọkwa ígwè dịka J55, N80, na P110, yana ọkwa ígwè dịka C90 na T95 nke na-eguzogide nchara hydrogen sulfide. Enwere ike ịgbado paịpụ ígwè ya dị ala (J55, N80).

Ịsa ahụ: Paịpụ e tinyere n'ime ihe mkpuchi ahụ site n'elu ala ruo na oyi akwa mmanụ, a na-ejikọkwa paịpụ ndị ahụ site na njikọ ma ọ bụ n'ime ya. Ọrụ ya bụ ikwe ka ihe mgbapụta ahụ buru mmanụ ahụ site na oyi akwa mmanụ gaa n'ala site na paịpụ ahụ. Ihe ndị bụ isi bụ ọkwa ígwè dịka J55, N80, P110, na C90, T95 nke na-eguzogide nchara hydrogen sulfide. Enwere ike ịgbado paịpụ ígwè ya dị ala (J55, N80).