GB/T 9948-2013 Grade 1Cr2Mo Petroleum Cracking Pipes

Tlhaloso e Khutšoanyane:

Peipi e phatlohang ea peterole ke peipi ea tšepe e se nang letho, e telele, e chitja e se nang moroko.Tšebeliso ea peterole e phunyeletsang phala: E sebelisetsoa ho tsamaisa peterole, parafine, oli ea diesel le lihlahisoa tse ling tsa oli, tse ka hanang ho senya le ho senyeha.Peipi ea peterole ea peterole (gb9948-83) ke phala ea tšepe ea boemo ba pele e loketseng ho cheka jeoloji le ho cheka liindasteri.

Re romelle lengolo-tsoibila

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Kenyelletso ea sehlahisoa

Phepo ea peterole e pshatlang lipeipi, ho seha lipeipi tsa petroleum, petroleum ea petsoha e sebelisoa haholo ho etsa liphaephe tsa boiler tse nang le khatello e phahameng le ka holim'a khatello ea tšepe ea boleng bo holimo, tšepe ea alloy le tšepe e sa cheleng mocheso o phahameng o se nang mocheso. li-boiler tubes li sebetsa tlas'a mocheso o phahameng le khatello, tube e nang le mocheso o phahameng oa mocheso oa mocheso oa mocheso le mouoane oa metsi le eona e tla ba oxidation le corrosion, kahoo phala ea peterole ea peterole e hlokahalang ho ba le matla a nako e telele ka hona, ho hlokahala hore ho be le tube ea peterole ea peterole. ba le matla a phahameng a mamello, khanyetso e phahameng ea oxidation, le botsitso bo botle ba tlhophiso.

Ho thatafala ha phala ea peterole ea peterole ho na le tšusumetso e kholo ho thepa ea mochine, empa hase likarolo tsohle tsa mochine tse lokelang ho thatafalloa ka ho feletseng.Mohlala, ho kobeha, likarolo tsa shaft ea torsion, likarolo tsa kalafo ea mocheso, joalo-joalo, li hloka feela botebo bo itseng ba lera le thata ho fihlela litlhoko tsa ts'ebeliso.The quenchability ea petroleum cracking pipe e itšetlehile haholo-holo ke lebelo la ho pholisa la bohlokoa, ho fokotseha ho hoholo ha sekhahla sa ho pholisa, ho tima pompo ea peterole e phatlohileng hantle, 'me ka tsela e fapaneng, ho fokotsa ho tima phala ea peterole.Ho phaella ho Co, boholo ba likarolo tsa alloying li ka ntlafatsa haholo ho thatafala ha tšepe.

Kenyelletso ea 'Maraka

'Maraka oa peterole ea peterole ea peterole holimo le tlase, papali e telele le e khuts'oane e matla,' maraka o tsoakane, e leng se ileng sa boela sa lebisa ho holeng ha maikutlo a ho leta le ho bona, tlhoko ea 'maraka e ile ea emisoa.E le letsatsi la ho qetela la khoebo pele matsatsi a phomolo a theko e tlaase, 'me ha ho na khoebo ea bokamoso nakong ea matsatsi a phomolo, ka hona,' maraka o ile oa buloa ka bokamoso ba 10 o ntse o tsoela pele ho theoha.Haeba bokamoso bo theoha, ho se na litaba tse monate tsa ho matlafatsa monyetla oa hore 'maraka oa peterole e phatlohileng oa liphaephe ho latela phokotso o eketsehile, litheko tsa lipeipi tsa peterole li lebelletsoe ho sebetsa ka mokhoa o fokolang.

Botenya ba lebota bo ka ntle

Bophara ba ka ntle/mm	Botenya ba lebota/mm
	1	1.5	2	2.5	3	3.5	4	5	6
	Boleng ba khopolo/(kg/m)
10	0.222	0.314	0.395
14	O.321	0.462	O.592	O.709
18			0.789	0.956
19			0.838	1.02
25			1.13	1.39	1.63
32				1.82	2.15	2.46	2.76
38					2.59	2.98	3.35
45					3.11	3.58	4.04	4.93
57							5.23	6.41	7.55
60							5.52	6.78	7.99

Pontšo ea Sehlahisoa

Thepa ea mechine

Standard	Brand	Matla a tsitsipano (MPa)	Matla a tlhahiso (MPa)	Elongation (%)	Matla a amang (J)	Brinell hardness (HB)	Boemo ba Phano
GB9948	10	330-490	≥205	≥24	/	/	Mollo o motle
20	410-550	≥245	≥21	≥39	/	Mollo o motle
15CrMo	440-640	≥235	≥21	≥47	≤170	Normalizing le tempering
1Cr2Mo	≥390	≥175	≥22	≥92	≤179	Normalizing le tempering
1Cr5Mo	≥390	≥195	≥22	≥92	≤187	Annealing

Sebopeho sa thepa e ka sehloohong.

10#(st35),20#(st45),35#(st55),45#(st45),16Mn(st52), joalo-joalo.

Mamello e tloaelehileng ea bophara ba DIN2391-81 ke 0.08-0.10, mamello e ka hare ea bophara ke 0.10-0.15, mamello ea botenya ba lebota ke 0.10-0.15.

Sebopeho sa lik'hemik'hale

Standard	Brand	Sebopeho sa lik'hemik'hale (%)
C	Si	Mn	P	S	Cr	Mo	Ni
GB9948	10	0.07–0.14	0.17–0.37	0.35–0,65	≤0.035	≤0.035	≤0.15	/	≤0.25
20	0.17–0.24	0.17–0.37	0.35–0,65	≤0.035	≤0.035	≤0.25	/	≤0.25
15CrMo	0.12–0.18	0.17–0.37	0.40 ~ 0.70	≤0.035	≤0.035	0.80–1.10	0.40–0,55	≤0.30
1Cr2Mo	≤0.15	0.50–1.00	0.30–0.60	≤0.035	≤0.030	2.15 ho isa ho 2,85	0.45–0,65	/
1Cr5Mo	≤0.15	≤0.50	≤0.60	≤0.035	≤0.030	4.00–6.00	0.45–0.60	≤0.60	Tšepe