"Paipa kila kila HTASTM A335 GR P22- SCH 80. ASME B36.10 PLAIN ENDS (QUANTIES UNIT: M)" he hoʻonohonoho o nā kikoʻī loea e wehewehe ana i nā paipu kila alloy. E kālailai kākou iā lākou pākahi:

Paipu kila kila HT:
ʻO "PIPE" ke ʻano o ka paipu, a ʻo "ALLOY STEEL" ke ʻano o ke kila hao. ʻO ke kila hao he kila ia i loaʻa i hoʻokahi a ʻoi aku paha mau mea hao (e like me chromium, molybdenum, tungsten, a pēlā aku) a he mau waiwai maikaʻi loa e like me ke kūpaʻa wela kiʻekiʻe, ke kūpaʻa i ka pala a me ka ikaika.

ʻO ka maʻamau, ʻo "HT" e pili ana i nā koi wela kiʻekiʻe, e hōʻike ana he kūpono kēia paipu kila no nā wahi wela kiʻekiʻe.

ASTM A335 GR P22:
ʻO kēia ka wehewehe ʻana i ke kūlana a me ke ʻano o nā mea paipu.

ASTM A335he kūlana i hoʻomohala ʻia e ka American Society for Testing and Materials (ASTM) no nā paipu kila alloy seamless, ʻoi aku hoʻi no nā wahi mahana kiʻekiʻe a me ke kaomi kiʻekiʻe.
ʻO GR P22 ka papa mea kikoʻī ma lalo o kēia kūlana, kahi e hōʻike ai ʻo "P22" i ka haku mele kemika a me nā koi hana o ka mea paipu. ʻO ke kila alloy P22 ka mea maʻamau i loaʻa nā mea chromium (Cr) a me molybdenum (Mo), he ikaika maikaʻi kona i ke ana wela kiʻekiʻe a me ke kūpaʻa i ka pala, a kūpono hoʻi no nā wahi wela kiʻekiʻe.
SCH 80:
Pili kēia i ka mānoanoa o ka paia o ka paipu, a ʻo "SCH" ka pōkole o "Schedule".

ʻO ke ʻano o SCH 80, he mānoanoa iki ka mānoanoa o ka paia o ka paipu a hiki ke kū i ke kaomi kiʻekiʻe o loko. No nā paipu SCH 80, ʻoi aku ka nui o kona mānoanoa o ka paia ma waena o nā paipu o ke anawaena like, hiki ke hoʻonui i kona hiki ke hāpai i ke kaomi a me ke kū'ē ʻana i ka hopena.
ASME B36.10:
He kūlana kēia i hoʻomohala ʻia e ka American Society of Mechanical Engineers (ASME) e kuhikuhi ana i ka nui, ke ʻano, ke ahonui, ke kaumaha a me nā koi ʻē aʻe o nā paipu kila. Kuhikuhi pono ʻo B36.10 i ke anawaena o waho, ka mānoanoa o ka paia a me nā palena ʻē aʻe o ke kila kalapona a me ke kila kila alloy a me nā paipu i hoʻopaʻa ʻia e hōʻoia i ka maʻamau a me ke kūlike o nā huahana pipeline.

NĀ HOPE MAʻAMAʻA:
ʻO "Plain Ends" e pili ana i nā paipu me ka ʻole o ka mīkini a i ʻole nā ​​​​​​wea e pili ana, ʻo ka maʻamau me nā ʻili ʻoki laumania. Ke hoʻohālikelike ʻia me nā paipu me nā pilina wili a flanged paha, hoʻohana pinepine ʻia nā paipu hopena maʻamau i nā noi kahi e pono ai nā pilina welded.

NĀ HELU KEʻENA: M:
Hōʻike kēia ʻo ke anakahi ana no ka huahana he "mika", ʻo ia hoʻi, ua ana ʻia ka nui o ka paipu ma nā mika, ʻaʻole ma nā ʻāpana a i ʻole nā ​​​​anakahi ʻē aʻe.

ʻO ka paipu i wehewehe ʻia ma kēia wehewehe ʻana he paipu kila metala wela kiʻekiʻe e kū ana i ke kūlana ASTM A335 GR P22, me ka mānoanoa o ka paia o SCH 80 a kū i ke kūlana nui ASME B36.10. He maʻemaʻe nā wēlau o ka paipu (ʻaʻohe kaula a i ʻole flanges), ua ana ʻia ka lōʻihi ma nā mika, a kūpono ia no nā ʻōnaehana paipu ma nā wahi wela kiʻekiʻe, kaomi a me nā wahi ʻino.