ASTM-335 aSA-355MKūlana Kūlana no ka Seamless Ferritic Alloy-Steel Pipe no ka lawelawe wela wela.
No ka Boiler and Pressure Vessel Code.
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Pono e komo ka palapala kauoha i kēia mau mea 11:
1. Ka nui (wāwae, mika a i ʻole ka helu o nā lāʻau)
2. Ka inoa mea (paipu inoa kila kila maʻemaʻe)
3. Nā pae (16 ka nui: P1, P2, P22, P11, P22, P91)
4. Hana hana (hoʻopau wela a kiʻi anu paha)
5. E hoʻohana i kekahi o kēia mau kikoʻī: 1), NPS a me ka paipu pā mānoanoa serial helu, 2), waho anawaena a me ka nominal pā mānoanoa, 3), waho anawaena a me ka palena iki mānoanoa pā, 4), i loko anawaena a me ka nominal pā mānoanoa , 5), ka anawaena o loko a me ka liʻiliʻi o ka mānoanoa o ka paia i nā ʻōlelo kauoha
6. Length (māhele ʻia i ka lōʻihi paʻa a me ka lōʻihi ʻole)
7. Hoʻopau i ka hana.
8. Nā koi koho (ke kaomi wai a me ka hoʻokaʻawale kaumaha ʻae ʻia).
9. Pono nā hōʻike hoʻāʻo (e nānā i ka A530).
10. Helu maʻamau. 11 Nā koi kūikawā a i ʻole nā ​​koi hoʻohui koho.
Nā mea hana a me nā mea hana
1. Hiki i nā paipu kila nominal ke hoʻopau wela a i ʻole ke anu, a ua hana ʻia ka hoʻomaʻamaʻa wela hope e koi ʻia e ka maʻamau.
2. P2 a me P12 papa kila. Pono e hana ʻia kēia mau māka ʻelua o ke kila me ka hoʻohana ʻana i ke kaʻina hoʻoheheʻe palaoa coarse. Inā loaʻa nā koi kūikawā no ka nui o ka palaoa a i ʻole ka hana deoxidation, pono lākou e ʻae ʻia e ka mea kūʻai aku a me ka mea hana kila.
3. Hana wela
1. Koe wale no PSC, P23, P91, P92, P122 a me P911 grade kila a e like me ka mea i hoakakaia, e hoopumehana hou ia na papa a pau o na paipu inoa a e hoolakoia i loko o ka annealed piha, isothermal annealed a i ma'amau a me ka ma'amau. Inā hoʻolako ʻia ma ke ʻano maʻamau a me ka hoʻoheheʻe ʻia, ʻo ka haʻahaʻa haʻahaʻa haʻahaʻa no ka P5, P5B, P9, P21 a me P22 pae kila he 675°C. ʻO ka haʻahaʻa haʻahaʻa haʻahaʻa no ka P1, P2, P11, P12 a me P15 pae kila he 650 ℃.
2. ʻO ka hoʻomaʻamaʻa wela hope o P92 a me P911 grade steel pono e hoʻomaʻamaʻa ʻia ma ka liʻiliʻi o 1040 ℃ a me ka hoʻoulu ʻana ma kahi liʻiliʻi o 730 ℃.