GB/T5310-2008tube irin alailẹgbẹ jẹ iru tube irin to gaju. tube igbomikana ti pin si tube igbomikana gbogbogbo ati tube igbomikana titẹ giga ni ibamu si iṣẹ ṣiṣe iwọn otutu giga rẹ. Paipu igbomikana titẹ giga ni a lo ni akọkọ fun iṣelọpọ titẹ giga ati loke awọn igbomikana nya si titẹ, awọn paipu ati irin igbekalẹ erogba ti o ni agbara giga, irin igbekalẹ alloy ati irin alagbara ooru sooro irin pipe, irin pipe. [1] Awọn ọpọn igbomikana wọnyi nṣiṣẹ ni iwọn otutu giga ati titẹ, ti nmu gaasi eefin otutu ti o ga ati oru omi, eyiti o ni itara si oxidation ati ipata.

Awọn irin ite

(1) Didara erogba irin igbekale irin 20G, 20MnG, 25MnG. 

(2) Alloy be, irin 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, ati be be lo. 

(3) Irin ipata ooru sooro ti a lo nigbagbogbo 1Cr18Ni9, 1Cr18Ni11Nb igbomikana tube ni afikun lati rii daju tiwqn kemikali ati awọn ohun-ini ẹrọ, lati ṣe idanwo titẹ omi, lati ṣe flaring, idanwo funmorawon. Awọn tubes irin ti wa ni jiṣẹ ni ipo itọju ooru. 

Ni afikun, awọn microstructure, ọkà iwọn ati ki o decarburization Layer ti pari irin Falopiani tun nilo.

Ni afikun si awọn ga titẹ igbomikana tube irin alagbara iranGB/T5310-2008ti a mẹnuba loke, awọn ọja akọkọ ti ile-iṣẹ wa:

ASTMA210 (A10M) -2012Alabọde erogba, irin igbomikana ati superheater seamless, irin pipe, awọn ohun elo akọkọ jẹ SA210 GrA1, SA210GrC;

ASME SA106 / SA-106M-2015, awọn ohun elo akọkọ jẹ GR.B gr.C;

ASME SA-213 / SA-213M, ohun elo alloy ti o wọpọ: T11, T12, T22 ati T23, T91, P92, T5, T5b, T9, T21, T22, T17;

ASTM A335 / A335M – 2018, awọn ifilelẹ ti awọn ohun elo ni: P11, P12, P22, P5, P9, P23, P91, P92, P2, ati be be lo.