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

Apejuwe kukuru:

Paipu ti npa epo jẹ ṣofo, gigun, yika irin paipu alailẹgbẹ.Ohun elo ti paipu wo inu epo: A lo fun gbigbe petirolu, kerosene, epo diesel ati awọn ọja epo miiran, eyiti o le koju ibajẹ ati wọ.Paipu ti npa epo (gb9948-83) jẹ paipu irin akọkọ ti o dara fun liluho-ilẹ ati liluho ile-iṣẹ.

Fi imeeli ranṣẹ si wa

Alaye ọja

ọja Tags

ifihan ọja

Epo ilẹ ti npa pipe ti epo soobu, epo fifọ paipu ti npa gige, epo paipu epo epo ti wa ni akọkọ ti a lo lati ṣelọpọ titẹ giga ati loke titẹ paipu igbomikana ti o ni agbara giga ti erogba igbekale irin, irin igbekalẹ alloy ati irin alagbara, irin alagbara, irin alagbara, irin alagbara, irin ti o ga titẹ laisiyonu tube, iwọnyi igbomikana tubes ṣiṣẹ labẹ ga otutu ati titẹ, awọn tube ni ipa ti ga otutu flue gaasi ati omi oru yoo tun jẹ ifoyina ati ipata, ki awọn Epo sisan paipu ti wa ni ti a beere lati ni ga pípẹ agbara Nitorina, awọn epo sisan tube ti wa ni ti a beere lati ni agbara ifarada giga, resistance ifoyina giga, ati iduroṣinṣin iṣeto to dara.

Agbara lile ti paipu epo epo ni ipa nla lori awọn ohun-ini ẹrọ, ṣugbọn kii ṣe gbogbo awọn ẹya ẹrọ gbọdọ jẹ lile patapata.Fun apẹẹrẹ, atunse, awọn ẹya aapọn torsion, awọn ẹya itọju ooru oju, ati bẹbẹ lọ, nilo ijinle kan ti Layer lile lati pade awọn ibeere lilo.Pipin paipu ti epo epo jẹ ipinnu nipataki nipasẹ iwọn itutu agbaiye to ṣe pataki, iwọn otutu itutu agbaiye ti o kere si, ti o dara julọ ni piparẹ paipu wo inu epo epo, ati ni idakeji, idinku idinku ti paipu epo epo.Ni afikun si Co, pupọ julọ awọn eroja alloying le ṣe ilọsiwaju lile ti irin.

Market Ifihan

Ọja pipe ti epo si oke ati isalẹ, ere gigun ati kukuru jẹ lile, ọja naa jẹ bearish ti o dapọ, eyiti o tun yori si idagbasoke ti iṣesi iduro-ati-wo, ibeere ọja duro.Bi awọn ti o kẹhin iṣowo ọjọ ṣaaju ki awọn isinmi ojo iwaju owo kekere, ko si si ojo iwaju iṣowo nigba isinmi, nitorina, awọn oja la lori 10th ojoiwaju si tun ni a itesiwaju ti awọn sile waye.Ti awọn ọjọ iwaju ba lọ silẹ, ni isansa ti awọn iroyin ti o dara lati ṣe alekun iṣeeṣe ti ọja iranran paipu epo epo lati tẹle idinku ti pọ si, awọn idiyele paipu epo epo ni a nireti lati ṣiṣẹ ni ailagbara.

Lode opin odi sisanra

Ode opin / mm	Odi sisanra / mm
	1	1.5	2	2.5	3	3.5	4	5	6
	Didara imo ero/(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

Ifihan ọja

Awọn ohun-ini ẹrọ

Standard	Brand	Agbara fifẹ (MPa)	Agbara ikore (MPa)	Ilọsiwaju (%)	Agbara ipa (J)	Lile Brinell (HB)	Ipo Ifijiṣẹ
GB9948	10	330-490	≥205	≥24	/	/	Ina rere
20	410-550	≥245	≥21	≥39	/	Ina rere
15CrMo	440-640	≥235	≥21	≥47	≤170	Normalizing ati tempering
1Cr2Mo	≥390	≥175	≥22	≥92	≤179	Normalizing ati tempering
1Cr5Mo	≥390	≥195	≥22	≥92	≤187	Annealing

Ifilelẹ ohun elo.

10#(st35),20#(st45),35#(st55),45#(st45),16Mn(st52),ati be be lo.

DIN2391-81 boṣewa ifarada ita ti ita jẹ 0.08-0.10, ifarada ti inu inu jẹ 0.10-0.15, ifarada ogiri ogiri jẹ 0.10-0.15.

Kemikali tiwqn

Standard	Brand	Iṣakojọpọ Kemikali (%)
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	2.15-2.85	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	Irin