Chitoliro cha X60 Line

Kufotokozera Kwachidule:

Mayendedwe:nyanja kapena mpweya

Kulongedza:kulongedza katundu wamba

Mtundu:weld

Zofunika:carbon steel

Malizitsani:wakuda

Kagwiritsidwe:Mapaipi a X60 amagwiritsidwa ntchito potumiza mpweya, madzi ndi mafuta m'makampani amafuta ndi gasi.

Titumizireni imelo

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

X60 Line Pipe, Standard

API SPEC 5L - American Petroleum Institute Standard

GB/T9711 -- Muyezo wa dziko la China

X60 Line Pipe, Mechanical Properties Of

X60 Line Chitoliro, pamwamba kutentha mankhwala anawagawa m'magulu awiri, wina ndi mankhwala kutentha mankhwala, wina ndi pamwamba kuzimitsa ndi kutentha kutentha mankhwala, njira kuuma mayeso ndi motere:

[1] Mankhwala kutentha kwa payipi ya X60
-- Kuchiza kutentha kwa mankhwala ndi kupanga pamwamba pa chubu la X60 kuti lilowerere mu atomu imodzi kapena zingapo za mankhwala, kuti asinthe kapangidwe kake, kapangidwe kake ndi mawonekedwe a X60 pipeline chubu pamwamba.Pambuyo kuzimitsa ndi kutentha otsika kutentha, pamwamba pa X60 payipi chitoliro ali kuuma mkulu, kuvala kukana ndi kukhudzana kutopa mphamvu, ndi pachimake cha X60 chitoliro ndi mphamvu mkulu ndi kulimba.

-- Magawo akuluakulu aukadaulo opangira kutentha kwa mankhwala X60 mapaipi ndi kuya kwa wosanjikiza ndi kuuma kwa pamwamba.Kuzama kwa wosanjikiza wowuma kuyenera kuyesedwa ndi vickers hardness tester.Yezerani mtunda kuchokera papaipi ya X60 mpaka pomwe kuuma kumatsikira ku 50HRC.Uku ndiko kuya kwamphamvu kwa kuuma kwa mankhwala ochizira kutentha kwa X60 chubu pamwamba kuyezetsa kuuma ndi kuuma kwa kutentha kwapaipi ya X60 kuuma kwa chubu cha X60, angagwiritse ntchito vickers hardness tester, pamwamba rockwell hardness tester kapena rockwell hardness tester kuyesa, kokha makulidwe a nitriding wandiweyani woonda, nthawi zambiri osapitirira 0.7 mm, ndiye kuti sangathenso kugwiritsa ntchito rockwell kuuma tester, Microhardness tester ingagwiritsidwe ntchito.

[2] X60 payipi pamwamba kuzimitsa ndi kutentha kutentha mankhwala
- Kuzimitsa pamwamba ndi kutentha kwa kutentha nthawi zambiri kumachitika ndi kutentha kwa induction kapena kutentha kwa lawi.Waukulu luso magawo ndi pamwamba kuuma, m`deralo kuuma ndi ogwira kuumitsa wosanjikiza kuya.Vickers hardness tester itha kugwiritsidwa ntchito poyesa kuuma, rockwell kapena Rockwell kuuma kwapamwamba.Kusankhidwa kwa mphamvu yoyesera (mulingo) kumakhudzana ndi kuya kwa kusanjikiza kolimba komanso kulimba kwapaipi ya X60.Pali mitundu itatu ya kuuma mita yomwe ikukhudzidwa.

Vickers kuuma tester ndi njira yofunika kuyesa kuuma pamwamba pa kutentha mankhwala X60 pipeline chitoliro.Itha kugwiritsa ntchito 0.5 ~ 100kg kuyesa mphamvu kuyesa pamwamba kuwumitsa wosanjikiza woonda monga 0.05mm.kulondola ake ndi apamwamba kwambiri, ndipo akhoza kusiyanitsa pang'ono kuuma pamwamba pa kutentha ankachitira chitoliro X60 payipi.Komanso, kuya kwa ogwira kuumitsa wosanjikiza ndi kuyeza ndi vickers kuuma Tester, choncho m'pofunika kuti akonzekeretse Vickers kuuma Tester kwa mayunitsi kuti kuchita pamwamba kutentha mankhwala kapena ntchito chiwerengero chachikulu cha pamwamba kutentha mankhwala workpiece.

-- Surface Rockwell hardness tester ndiyoyeneranso kuyesa kuuma kwa chitoliro cholimba cha X60.Pali masikelo atatu a Rockwell hardness tester omwe mungasankhe.Itha kuyesa mizere yolimba ya X60 yokhala ndi kuya kolimba kopitilira 0.1mm.Ngakhale kulondola kwa Rockwell hardness tester sikuli kofanana ndi tester ya vickers hardness tester, imatha kukwaniritsa zofunikira ngati njira yoyesera kasamalidwe kabwino komanso kuwunika kofananira m'mafakitale opangira kutentha.Komanso, ilinso ndi makhalidwe a ntchito yosavuta, ntchito yabwino, mtengo wotsika, muyeso mofulumira, ndipo akhoza kuwerenga mwachindunji kuuma mtengo, etc. pamwamba Rockwell kuuma tester angagwiritsidwe ntchito mtanda wa pamwamba kutentha mankhwala X60 chitoliro chitoliro mofulumira ndi sanali- kuyesa kowononga.Izi ndizofunikira kwambiri pakukonza mapaipi a X60 ndi mafakitale opanga makina.

- Rockwell hardness tester itha kugwiritsidwanso ntchito ngati wosanjikiza pamwamba ndi wandiweyani.Pamene makulidwe a wosanjikiza wosanjikiza kutentha kutentha ndi 0.4 ~ 0.8mm, HRA sikelo angagwiritsidwe ntchito, pamene makulidwe a wosanjikiza owumitsidwa ndi oposa 0.8mm, HRC sikelo angagwiritsidwe ntchito.

- Vickers, Rockwell ndi Surface Rockwell kuuma mfundo zitha kusinthidwa mosavuta kukhala zokhazikika, zojambula kapena kuuma komwe kumafunikira kwa ogwiritsa ntchito.Matebulo otembenuzidwa ofanana amaperekedwa mumiyezo yapadziko lonse lapansi ya ISO, American standard ASTM ndi Chinese standard GB/T.

[3] Chithandizo cha kutentha kwaderalo
- Ngati kuuma kwa zigawo kukufunika kukhala kokwezeka, chithandizo cham'deralo chozimitsa chikhoza kuchitidwa ndi kutenthetsera kolowera ndi njira zina.Mapaipi a X60 oterowo nthawi zambiri amafunikira kuzindikiritsa malo omwe amazimitsira kutentha kwapafupi komanso kuuma kwapafupi pachojambula.Kuyesa kuuma kwa chitoliro cha X60 kudzachitika m'dera lomwe mwasankha.Kuuma chida kuyezetsa angagwiritse ntchito Rockwell kuuma Tester, kuyesa HRC kuuma mtengo, monga kutentha mankhwala kuumitsa wosanjikiza ndi osaya, angagwiritse ntchito pamwamba Rockwell kuuma tester, kuyesa HRN kuuma mtengo.

Chemical Composition

Standard	Mtundu	Kapangidwe ka mankhwala (%)	CEV (%)
C	Si	Mn	P	S	V	Ti
API SPEC 5L GB/T9711.2	B	≤0.16	≤0.40	≤1.10	≤0.020	－	－	－	≤0.42
X42	≤0.17	≤0.40	≤1.20	≤0.020	≤0.010	≤0.05	≤0.04	≤0.42
X52	≤0.20	≤0.45	≤1.60	≤0.020	≤0.010	≤0.05	≤0.04	≤0.45
X60	≤0.21	≤0.45	≤1.60	≤0.020	≤0.010	≤0.05	≤0.04	协议
x65	≤0.16	≤0.45	≤1.60	≤0.020	≤0.010	≤0.05	≤0.06	≤0.45
X70	≤0.16	≤0.45	≤1.70	≤0.020	≤0.010	≤0.05	≤0.06	≤0.45

Zindikirani:

1.0.015% Altot

2. V + Nb, Ti 0.15 kapena zochepa

3. Mo≤0.35% ya X60, X65 ndi X70 pambuyo pokambirana

Standard	Mtundu	Mphamvu yamagetsi (MPa)	Mphamvu zokolola (MPa)	anasonyeza	Peresenti ya kutalika (%)	0 ℃ mphamvu yamphamvu Akv (J)	Kutentha mankhwala chikhalidwe
API SPEC 5L GB/T9711.2	B	≥415	245-440	≤0.80	22	≥40	Ndi moto
X42		≥415	290-440	≤0.80	21	≥40	Ndi moto
X52		≥460	360-510	≤0.85	20	≥40	Ndi moto
X60		≥520	415-565	≤0.85	18	≥40	Ndi moto
x65		≥535	450-570	≤0.90	18	≥40	Kutentha + kuzizira
X70		≥570	485-605	≤0.90	18	≥40	Kutentha + kuzizira