Api 5l Line Pipes Grade B i X70 Od Mai 219mm a 3500mm

Api 5l Line Pipes Grade B A X70 Od Mai 219mm A 3500mm Kii Hoike

ʻO ka wehewehe pōkole:

ʻO kēia kikoʻī e hāʻawi i ka maʻamau hana no ka ʻōnaehana pipeline e lawe i ka wai, ke kinoea a me ka aila i loko o nā ʻoihana aila a me nā ʻoihana kūlohelohe.

ʻElua mau pae kikoʻī o ka huahana, PSL 1 a me PSL 2, PSL 2 nā koi koi no ka carbon equivalent, notch toughness, maximum yield strength and tensile strength.

Papa B, X42, X46, X52, X56, X60, X65, X70 a me X80.

ʻO Cangzhou Spiral Steel pipes group co., ltd hāʻawi i nā paipu SAWH e uhi ana i ka papa mai ka API B a i ka X70, ua loaʻa iā mākou ka palapala hōʻoia API 5L i nā makahiki ma mua a i kēia manawa ua hoʻohana nui ʻia kā mākou paipu laina e CNPC, CPECC no kā lākou papahana pipeline.

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

Na Pono Mechanical o ka paipu SSAW

kila kila	ikaika hua liʻiliʻi Mpa	ka palena iki tensile ikaika Mpa	ʻO ka lōʻihi liʻiliʻi %
B	245	415	23
X42	290	415	23
X46	320	435	22
X52	360	460	21
X56	390	490	19
X60	415	520	18
X65	450	535	18
X70	485	570	17

ʻO ka hui kemika o nā paipu SSAW

kila kila	C	Mn	P	S	V+Nb+Ti
	Max %	Max %	Max %	Max %	Max %
B	0.26	1.2	0.03	0.03	0.15
X42	0.26	1.3	0.03	0.03	0.15
X46	0.26	1.4	0.03	0.03	0.15
X52	0.26	1.4	0.03	0.03	0.15
X56	0.26	1.4	0.03	0.03	0.15
X60	0.26	1.4	0.03	0.03	0.15
X65	0.26	1.45	0.03	0.03	0.15
X70	0.26	1.65	0.03	0.03	0.15

ʻO ka hoʻomanawanui Geometric o nā paipu SSAW

Nā hoʻomanawanui geometric
anawaena waho		Mānoanoa pā		pololei		waho o ka poepoe		nuipaʻa	ʻO ke kiʻekiʻe o ka weld bead kiʻekiʻe
D		T
≤1422mm	＞1422mm	＜15mm	≥15mm	ka hopena paipu 1.5m	piha loa	kino paipu	paipu hope		T≤13mm	T＞13mm
±0.5% ≤4mm	e like me ka aelike	± 10%	±1.5mm	3.2mm	0.2% L	0.020D	0.015D	'+10% -3.5%	3.5mm	4.8mm

Hoʻāʻo Hydrostatic

wehewehe huahana1

E kū ka paipu i ka hoʻāʻo hydrostatic me ka ʻole o ka leaka ma o ka weld seam a i ʻole ke kino paipu
ʻAʻole pono e hoʻāʻo hydrostatically nā hui hui, inā ua hoʻāʻo maikaʻi ʻia nā ʻāpana o ka paipu i hoʻohana ʻia no ka hōʻailona ʻana i nā mea hoʻohui i ka hydrostatically ma mua o ka hana ʻana.

Hiki ke huli:
No ka paipu PSL 1, e hoʻokumu ka mea hana a hahai i nā kaʻina hana i kākau ʻia no ka mālama ʻana:
Hōʻike ʻia ka ʻike wela a hiki i kēlā me kēia hoʻokolohua chmical pili a hōʻike ʻia ka conformance me nā koi i kuhikuhi ʻia
Hōʻike ʻia ka ʻike hoʻāʻo a hiki i kēlā me kēia hoʻokolohua mechanical pili a hōʻike ʻia ke kūlike me nā koi i kuhikuhi ʻia
No ka paipu PSL 2, e hoʻokumu a hahai ka mea hana i nā kaʻina hana i kākau ʻia no ka mālama ʻana i ka ʻike wela a me ka ʻike hoʻāʻo no ia paipu.E hāʻawi ia mau kaʻina hana i nā ala no ka ʻimi ʻana i ka lōʻihi o ka paipu i ka ʻāpana hoʻāʻo kūpono a me nā hopena hoʻokolohua pili.

Mua: Hoʻopili ʻia ʻo Fusion-Bonded Epoxy Coatings Awwa C213 Standard

Aʻe: Paipu kila wiliwili ʻia ASTM A252 Papa 1 2 3

E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou