ʻO ASTM A672 B60/B70/C60/C65/C70 LSAW ʻO ka paipu kila kalapona kiʻi i hōʻike ʻia.

ASTM A672 B60/B70/C60/C65/C70 LSAW Paipu Kinohi

ʻO ka wehewehe pōkole:

Nui: 10-660mm Outer Diameter, 1.0-100mm Wall Manoanoa

Ka lōʻihi: Paʻa ka lōʻihi 5.8m, 6m, 11.8m a i ʻole maʻamau.

Hoʻopau: Plain/Beveled end, Groove, Thread, etc.

Ka uhi ʻana: Ka uhi ʻana o Varnish, Hot dip galvanized, 3 papa PE, FBE, etc.

ʻenehana: Ka hoʻoheheʻe ʻia ʻana o ke arc submerged.

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Huahana Huahana

Nā Huahana Pili

Huahana Huahana

Noi o ASTM A672 B60/B70/C60/C65/C70LSAW Carbon Steel Paipu:

ʻO ka ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) ʻO ka paipu hao haohoʻohana ʻia i ke kūlana kiʻekiʻe a hoʻohana nui ʻia i ka mea kanu mana, ʻoihana ʻaila waho, ʻoihana kemika, Fertilizer, petrochemical, refineries etc.

Hōʻike Huahana:

Ka Hana Hana oASTM A672B60/B70/C60/C65/C70 LSAW Paipu hao hao kalapona:

ʻO ka ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Carbon Steel Pipe e pālua-welded, piha-penetration welds i hana ʻia e like me nā kaʻina hana a e nā welders a i ʻole nā mea hana welding i kūpono e like me ka ASME Boiler and Pressure Vessel Code , Pauku IX.

Hoʻomaʻamaʻa wela o ka ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Paipu kila kabone:

ʻO nā papa ʻē aʻe ma mua o 10, 11, 12 a me 13 e mālama ʻia i ka wela i loko o ka umu i hoʻomalu ʻia i ± 15 ℃ a hoʻolako ʻia me kahi hydrometer hoʻopaʻa leo i loaʻa nā moʻolelo hoʻomehana.

Nā kikoʻī o ka ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Paipu kila Carbon:

Hana ʻia:Hoʻopaʻa ʻia ʻo Longitudinally Submerged Arc Welding (LSAW).

Nui:OD: 406～1422mm WT: 8~60mm.

Papa:B60, C60, C65, etc.

Ka lōʻihi:3-12M a i ʻole ka lōʻihi i kuhikuhi ʻia e like me ka makemake.

Pau:Hope Plain, Hope Beveled, Grooved.

Hoʻohui Kimia o ASTM A672 B60/B70/C60/C65/C70 LSAW Paipu Kino Kaona

Koi Kemika no ka ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe
Paipu	Papa	Huina, %
Paipu	Papa	C max					Mn		P max	S max	Si	ʻO nā mea ʻē aʻe
		<=1in (25mm)	>1~2in (25~50mm)	>2~4in(50-100mm)	>4~8in (100~200mm)	>8in (200mm)	<=1/2in (12.5mm)	>1/2in (12.5mm)
	60	0.24	0.21	0.29	0.31	0.31	0.98 ka nui		0.035	0.035	0.13–0.45	...
	65	0.28	0.31	0.33	0.33	0.33	0.98 ka nui		0.035	0.035	0.13–0.45	...
	70	0.31	0.33	0.35	0.35	0.35	1.30 ka nui		0.035	0.035	0.13–0.45	...
C	55	0.18	0.20	0.22	0.24	0.26	0.55–0.98	0.55–1.30	0.035	0.035	0.13–0.45	...
	60	0.21	0.23	0.25	0.27	0.27	0.55–0.98	0.79–1.30	0.035	0.035	0.13–0.45	...
	65	0.24	0.26	0.28	0.29	0.29	0.79–1.30	0.79–1.30	0.035	0.035	0.13–0.45	...
	70	0.27	0.28	0.30	0.31	0.31	0.79–1.30	0.79–1.30	0.035	0.035	0.13–0.45	...

Nā Waiwai Mekanika o ASTM A672 B60/B70/C60/C65/C70 LSAW Paipu kila Carbon:

Na Waiwai Mechanical
Papa
	B60	B65	B70	C55	C60	C65	C70
Ka ikaika tensile, min:
ksi	60	65	70	55	60	65	70
Mpa	415	450	485	380	415	450	485
Ka ikaika hana, min:
ksi	32	35	38	30	32	35	38
MPa	220	240	260	205	220	240	260
Nā Koina Elongation: E like me ke kūlana

ʻAe ʻia nā ʻokoʻa i ke kaumaha a me nā ana:

1. Mawaho Anawaena-Ma muli o ke ana ana puni ± 0.5% o ka anawaena waho i hoakakaia.

2. Out-of-Roundness-Okoa ma waena o ka nui a me ka liʻiliʻi o waho anawaena.

3. Alignment-Me ka hoʻohana ʻana i kahi ʻaoʻao pololei 10 ft (3m) i hoʻopili ʻia nā welau ʻelua me ka paipu, 1/8 iniha (3mm).

4. Mānoanoa-ʻO ka mānoanoa liʻiliʻi o ka paia ma kēlā me kēia wahi o ka paipu ʻaʻole e ʻoi aku ma mua o 0.01 iniha (0.3mm) ma lalo o ka mānoanoa i koho ʻia.

5. ʻO nā lōʻihi me nā wēlau paʻa ʻole i loko o -0+1/2 iniha (-0+13mm) o ka mea i kuhikuhi ʻia.ʻO nā lōʻihi me nā hopena mīkini e like me ka ʻaelike ma waena o ka mea hana a me ka mea kūʻai aku.

Nā ho'āʻo mīkini no ka ASTM A672 B60/B70/C60/C65/C70 LSAW Paipu kila kabone:

ʻO ka ho'āʻo hoʻopaʻapaʻa—E hoʻokō nā waiwai tensile transverse o ka hui welded i nā koi liʻiliʻi no ka ikaika tensile hope loa o ka mea pā i kuhikuhi ʻia.

Nā hoʻāʻo ʻana i alakaʻi ʻia-weld-bent —E ʻae ʻia ka hoʻāʻo ʻana i ka piko inā ʻaʻohe māwae a me nā hemahema ʻē aʻe ma mua o 1/8 in. (3mm) ma kēlā me kēia ʻaoʻao aia i loko o ka metala weld a i ʻole ma waena o ka weld a me ka metala kumu ma hope o ke kulou ʻana.

Nānā Lekiō-ʻO ka lōʻihi piha o kēlā me kēia weld o ka papa X1 a me X2 e nānā pono ʻia e like me nā koi o ka ASME Boiler and Pressure Vessel Code, Pauku ʻehiku, paukū UW-51.

ʻO ke ʻano no ka ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe:

ʻO ka paipu i hoʻopau ʻia ʻaʻole ia me nā kīnā ʻino a loaʻa iā ia ka hoʻopau hana.

Hoailona no ka ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Paipu:

A. Ka inoa a ka mea hana paha.
B. Helu kiko'ī (makahiki-lā a koi 'ia).
C. Nui (OD, WT, lōʻihi).
D. Papa (A a i ʻole B).
E. Ke ʻano o ka paipu (F, E, a i ʻole S).
F. ho'āʻo kaomi (seamless kila paipu wale).
G. Helu Wela.
H. ʻO nā ʻike hou aʻe i kuhikuhi ʻia ma ke kauoha kūʻai.