Paipu kila maʻemaʻe ka Papa a me ka Material

ʻO ka paipu kila maʻemaʻe ʻole e pili ana i kahi paipu i hana ʻia me ke kila kalapona me ka ʻole o nā hui welded a i ʻole nā ​​humu, a hoʻokuʻu ʻia kahi billet paʻa ma o ka make e hana i kahi paipu o ke ʻano a me ka nui i makemake ʻia.Ua kaulana ka paipu kila kila ʻole no kona kūpaʻa kūʻokoʻa, ka ikaika tensile a me ka pale ʻana i ka corrosion, e kūpono ana ia no ka nui o nā ʻoihana e like me ka aila a me ke kinoea, kaʻa a me ke kūkulu ʻana.

ʻO kekahi o nā māka kaulana loa o ka paipu kila seamless carbonA106 Papa B, 'o ia ka ma'amau o ka ASTM no ka paipu kila carbon seamless no ka lawelawe wela wela.He 0.30% ka nui o ka carbon carbon, no laila he mea kūpono ia no nā noi e koi ana i ka wela kiʻekiʻe a me ke kaomi.He kūpono hoʻi ia no nā noi haʻahaʻa haʻahaʻa a me nā haʻahaʻa haʻahaʻa, a me ka welding a me ka brazing.

ʻO kekahi papa kaulanaAPI 5L Papa B, 'o ia ka mea ma'amau no ka paipu kila ma'ema'e a welded no nā pūnaewele ho'ouna pipeline ma ka 'oihana aila a me ke kinoea.Loaʻa iā ia ka nui o ka carbon content o 0.30%, e kūpono ana ia no ka hoʻohana ʻana i nā wahi lawelawe kiʻekiʻe a me ka wela wela.

Ma waho aʻe o ka papa, he mea koʻikoʻi nō hoʻi ke ʻano o ka paipu kila seamless carbon.Loaʻa nā mea maʻamau i ka SAE 1020, he haʻahaʻa ka kalapona haʻahaʻa a he kūpono no ke kuʻi, flanging a me nā hana hana like, a me ka SAE 1045, ʻoi aku ka nui o ka maʻi kalapona a kūpono no nā noi e koi ana i ka paʻakikī, paʻakikī a me ke kūʻē ʻana i ke kapa.

ʻO nā mea ʻē aʻe e pili ana i ka ASTM A519 Grade 4130 no nā laina hydraulic kiʻekiʻe a me nā paipu ʻaila hinu, a me ka ASTM A106 Grade C me ka nui o ke kalapona ʻona o 0.35% no nā noi e koi ana i ke kūpaʻa corrosion kiʻekiʻe.

I ka hopena, he mea nui nā paipu kila ʻole kalapona i ka nui o nā ʻoihana a ʻo ke koho ʻana o ka papa a me nā mea e pili ana i ka noi kikoʻī.He mau māka kaulana ʻo A106 Grade B a me API 5L Grade B, ʻoiai nā mea e like me SAE 1020, SAE 1045,ASTM A519 Papa 4130, a me ASTM A106 Grade C nā koho kaulana.