I. Yintoni le nto isetyenziswayoI-API5L
1. Intsimbi yombhobho ye-API5L-B, elingana ne-L245 brand Wuyang Iron kunye nentsimbi, i-L245 yeyoluhlu lwe-alloy ephantsi, ixabiso liphezulu, ixabiso lezinto ezahlukeneyo alifani, lisetyenziswa kakhulu kwimibhobho yeoyile, imibhobho yendalo, njl.njl., ngumbhobho we-coil ophantsi koxinzelelo, ukusebenza kwawo kunye nombhobho ongenamthungo we-20# phantse.
2. Izinto ezisetyenzisiweyoIbanga le-X52 umbhobho wentsimbi yombhobhointsimbi yomgca, oluluhlobo lwentsimbi eneemfuno ezikhethekileyo ezisetyenziselwa ukuhambisa imibhobho yeoyile kunye negesi yendalo. Ngokwesixa kunye nokwakheka okulandelayo, ingaveliswa nge-hot continuous rolling mill, i-furnace rolling mill okanye i-medium thick plate mill ize yenziwe ibe yipayipi yentsimbi enobubanzi obukhulu nge-spiral welding okanye i-UOE straight seam welding.
3. Umbhobho wentsimbi ongenamthungo okanye odibeneyo, umgangatho nguI-API 5L (ipayipi yombhobho) i-PSL2yenye yeeklasi, enye yiPSL1 xa kuthelekiswa, iimfuno zePSL2 ziphezulu kunePSL1API. I-5L yinkcazo yombhobho wepayipi eyenziwe yi-American Petroleum Institute, i-B yenye yeeklasi zentsimbi yombhobho.
II. Umgangatho we-API5L
1. I-API5L standard, inani leejoyini zentsimbi yePIPE kunye nePIPE WLD 10" SCH STD API5L ASTM A106 GRB umbhobho wentsimbi ongenamthungo kwicandelo elinye akufuneki udlule kwi-50% yenani leepayipi. Ngaphambi kokufakwa, ishedi yepayipi kufuneka itshayele kwaye icoce imingxunya yokubhola okanye umoya oxinzelelweyo ukuze kususwe umhlwa kwimingxunya. Qinisekisa ukuba umngxuma (umngxuma awufanele ube ngaphantsi kwe-127cm) uyahlangabezana neemfuno kwaye uthintela ukuvaleka kwemingxunya.
2. Cr:≤025 Nickel Ni:≤030 Copper Cu:≤025 Iimpawu zoomatshini: Amandla okutsalwa kwe-sigma b (MPa) : 560 (57) okanye amandla aphezulu esivuno sigma s (MPa) : 335 (34) okanye i-delta yobude obuphezulu (%) : ukunciphisa ubukhali bendawo yeebhithi ezili-18 (%) : 45 okanye amandla aphezulu empembelelo Akv (J) : 55 okanye ngaphezulu amaxabiso okuqina kwempembelelo ye-alpha kv (J/cm2).
Umgangatho we-3.API 5L ugubungela iimfuno zemveliso yentsimbi yombhobho, ngakumbi amandla okuxinana, amandla okukhupha, ubulukhuni bempembelelo yobushushu begumbi, ukunwebeka ngexesha lokuphumla, njl. Ngokweentlobo zentsimbi yombhobho, i-API 5L yahlulwe yaba yipayipi yentsimbi eqhelekileyo kunye nepayipi ekhethekileyo yentsimbi, phakathi kwayo ipayipi yentsimbi eqhelekileyo yahlulwe yaba yipayipi yentsimbi eqhelekileyo kunye nepayipi yentsimbi enamandla aphezulu, umgangatho we-API 5L ukwagubungela neemfuno zenkqubo yemveliso yentsimbi yombhobho.
III, yintoni izinto ze-API5Lgrb
1. I-API 5LGRB ayinamthungo okanyeumbhobho wentsimbi odibeneyo, umgangatho yi-API 5L (umbhobho wepayipi yepetroliyam), i-PSL2 yenye yamanqanaba, elinye inqanaba yi-PSL1 xa kuthelekiswa, iimfuno ze-PSL2 ziphezulu kune-PSL1API 5L yinkcazo yombhobho wepayipi eyenziwe yi-American Petroleum Institute, i-B luhlobo lomgangatho wentsimbi yombhobho.
2. Isitya soxinzelelo se-ASME SA517, ASTM A517 Ipleyiti yentsimbi ye-alloy enamandla aphezulu ecinyiweyo neqinisiweyo I-ASME SA517/SA517M esemgangathweni ibandakanya: SA517GrA, SA517GrB, SA517GrH, SA517GrS, SA517GrP, SA517GrF, SA517GrE, SA517GrQ; I-ASTM A517/A517M esemgangathweni ibandakanya: A517GrA,.
3. UboneleloI-API 5L PSL2umgangathoumbhobho wentsimbi ejikelezayoUbubanzi obungaphandle be-GrB-X70 219-3650 mm Molo, besivelisa iipayipi ezijikelezayo kangangeminyaka engama-24, sinethemba lokuba siza kuba nethuba lokusebenzisana nani.
Ixesha lokuthumela: Epreli-14-2023