GB/T 9948-2013 Ọkwa 1Cr2Mo Petroleum Cracking Pipes nchara nchara na-enweghị ntụpọ egosipụtara

GB/T 9948-2013 Ọkwa 1Cr2Mo Petroleum Cracking ọkpọkọ ọkpọ nchara enweghị nkebi

Nkọwa dị mkpirikpi:

Ọkụ na-agbawa mmanụ ala bụ ọkpọkọ nchara nwere oghere, ogologo, okirikiri na-enweghị nkebi.Ngwa nke ọkpọkọ mgbawa mmanụ ala: A na-eji ya ebufe mmanụ ụgbọala, mmanụ ọkụ, mmanụ dizel na ngwaahịa mmanụ ndị ọzọ, nke nwere ike iguzogide nrụrụ na iyi.Ọkpụkpọ mgbawa mmanụ (gb9948-83) bụ ọkpọkọ ígwè nke mbụ dabara adaba maka mkpọ ala ala na mkpọpu ụlọ ọrụ.

Zitere anyị email

Nkọwa ngwaahịa

Mkpado ngwaahịa

Ntinye ngwaahịa

Mmanụ ụgbọala cracking ọkpọkọ igbutu ụlọ ahịa, mmanụ ala cracking ọkpọkọ nhazi, petroleum cracking pipe bụ tumadi na-eji na-emepụta elu mgbali na n'elu mgbali uzuoku ji esi mmiri ọkụ pipeline nke elu àgwà carbon structural ígwè, alloy structural ígwè na igwe anaghị agba nchara okpomọkụ na-eguzogide ígwè elu nsogbu enweghị nkebi tube, ndị a ji esi mmiri ọkụ tubes na-arụ ọrụ n'okpuru elu okpomọkụ na nrụgide, na tube na ọrụ nke elu okpomọkụ flue gas na mmiri vapo ga-abụkwa oxidation na corrosion, ya mere mmanụ ụgbọala cracking ọkpọkọ a chọrọ ka nwere elu na-adịgide adịgide ike Ya mere, petroleum cracking tube a chọrọ ka. nwere nnukwu ntachi obi ike, elu oxidation resistance, na ezi nkwụsi ike nhazi.

Ịdị ike nke ọkpọkọ na-agbaji mmanụ na-enwe mmetụta dị ukwuu na ihe ndị na-emepụta ihe, ma ọ bụghị akụkụ niile nke ígwè ọrụ ga-emerịrị kpamkpam.Dị ka ihe atụ, ekwe, torsion nchegbu aro akụkụ, elu okpomọkụ ọgwụgwọ akụkụ, wdg, chọrọ naanị a ụfọdụ omimi nke obi tara mmiri oyi akwa izute chọrọ nke ojiji.A na-ekpebi oke ike nke ọkpọkọ petroleum cracking site na ọnụ ahịa jụrụ oyi dị oke egwu, ka ọ na-adị ntakịrị ka ọ na-eme ka ọ̀tụ̀tụ̀ mmiri dị nro dịkwuo mma, otú ahụ ka ọ ga-akacha mma ka ọ na-eme ka ọ̀tụ̀tụ̀ ịgbawa mmanụ ụgbọala dị mma, na nke ọzọ, na-ebelata ike nke ọkpọkọ ọkpọ mmanụ.Na mgbakwunye na Co, ọtụtụ ihe alloying nwere ike imeziwanye ike nke ígwè.

Okwu Mmalite Market

Azụ ahịa ọkpọkọ na-agbaji mmanụ na-agbago na ala, egwuregwu ogologo na nke dị mkpụmkpụ na-esiwanye ike, ahịa ahụ na-agwakọta bearish, nke mekwara ka mmụba nke ọnọdụ nchere na-ahụ anya, a kwụsịrị ahịa ahịa.Dị ka ikpeazụ trading ụbọchị tupu ezumike n'ọdịnihu ahịa ala, na ọ dịghị futures trading n'oge ezumike, Ya mere, ahịa meghere na 10th Futures ka nwere n'ihu nke ọdịda mere.Ọ bụrụ na ọdịnihu ga-agbada ala, na enweghị ozi ọma ga-eme ka ohere nke ahịa ntụpọ petroleum cracking pipe na-eso mbelata na-abawanye, ọnụ ahịa ọkpọkọ mmanụ na-atụ anya na-aga nke ọma.

Mpụta dayameta mgbidi ọkpụrụkpụ

Dayameta nke mpụta/mm	Ọkpụrụkpụ mgbidi/mm
	1	1.5	2	2.5	3	3.5	4	5	6
	Ogo usoro ihe omume/(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

Ngosipụta ngwaahịa

Ngwa igwe

Ọkọlọtọ	Ụdị	Ike tensile (MPa)	Ike mpụta (MPa)	Elongation (%)	Ike mmetụta (J)	Brinell hardness (HB)	Ọnọdụ nnyefe
GB9948	10	330 ~ 490	≥205	≥24	/	/	Ọkụ dị mma
20	410 ~ 550	≥245	≥21	≥39	/	Ọkụ dị mma
15CrMo	440 ~ 640	≥235	≥21	≥47	≤170	Normalizing na tempering
1Cr2Mo	≥390	≥175	≥22	≥92	≤179	Normalizing na tempering
1Cr5Mo	≥390	≥195	≥22	≥92	≤187	Na-ewe iwe

Isi ihe mejupụtara.

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

DIN2391-81 ọkọlọtọ elu dayameta ndidi bụ 0.08-0.10, n'ime dayameta ndidi bụ 0.10-0.15, mgbidi ọkpụrụkpụ ndidi bụ 0.10-0.15.

Ngwakọta kemịkalụ

Ọkọlọtọ	Ụdị	Ngwakọta kemịkalụ (%)
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	Igwe igwe