GOST 8734-75 / Simbi 20 Pombi Yesimbi Yakanyatsogadzirwa Nechando Isina Musono

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Tianjin Sanon Steel Pipe Co., Ltd. ikambani inotengesa zvinhu. Fekitori yedu yezvitoro iri muCangzhou City, Hebei Province. Nzvimbo huru yatinowana zvinhu ndeyemapaipi ebhoira, uye zvinhu zvinomiririra zviriASTM A335 P5/P11/P91/P92,ASME SA-106/SA-106MGR.B,GB/T 3087-200810#/20#. Zvinhu zvinomiririra mapaipi emapaipi ndeizviAPI 5L,API 5CT, zvinhu zvinomiririra mapaipi ekupwanya peturuGB/T 9948vari 15MoG/12CrMoVGGB/T 6479-2013 inomiririra zvinhu 10#/20#, machubhu ekuchinjana kupisa SA179/SA210/SA192, nezvimwewo, machubhu emakanika GB/T 8162 anomiririra zvinhu 10#/20#/Q345/42CrMo, EN10210 inomiririra zvinhu S355JOH/S355J2H, machubhu egasi silinda GB1 8248, inomiririra zvinhu 34CrMo4/30CrMo.

— Gwaro Rakazara reStandard yePaipi Isina Musono Yakaumbwa muRussia uye Zvinhu Zvayo

Sanon Pipe – Mutengesi Wako Akavimbika weGOST-Comliant Precision Steel Tubes

1. Ongororo yeSisitimu Yakajairika: Hukama Hwakabatana Pakati peGOST 8734 neGOST 8733

GOST 8734-75 ndiyo chiyero chehukuru/kusanganiswa kwemapaipi esimbi asina musono akaumbwa nechando (anodhonzwa nechando / anomonerwa nechando) muRussia (yaimbova USSR). Inotsanangura huwandu hwedhayamita yekunze, ukobvu hwemadziro, kushivirira kwehukuru, mhando dzehurefu uye kutsauka kunobvumirwa, uye huremu hwedzidziso hwemapaipi. Maitiro ekudhonzwa nechando anowana kururama kwakanyanya kupfuura mapaipi anomonerwa nekupisa, zvichiita kuti ive sarudzo yakakodzera yemidziyo chaiyo, masisitimu ehydraulic, maumbirwo emakanika akanyatsojeka, uye mashandisirwo akafanana.

Muhurongwa hwemitemo yeRussia, GOST 8734-75 inofanira kushandiswa pamwe chete nemamiriro ayo ehunyanzvi akajairika GOST 8733-87. Chaizvoizvo, GOST 8734-75 inotsanangura "kuti pombi yacho yakaita sei" (hukuru uye kushivirira), nepo GOST 8733-87 inotsanangura "kuti chinhu chayo ndechei uye kuti yakasimba sei" (kuumbwa kwayo uye mashandiro ayo).

 
Zvakajairika Musoro weChinese Chiyero
GOST 8733-87 Mapaipi esimbi asina musono akagadzirwa nechando - Mamiriro ehunyanzvi Magiredhi esimbi, kuumbwa kwemakemikari, hunhu hwemakanika, bvunzo dzemaitiro, bvunzo dzehydrostatic, mitemo yekuongorora, kumaka, kurongedza
GOST 8734-75 Mapaipi esimbi asina musono akaumbwa nechando - Mhando dzakasiyana dzemapombi Kureba kwedhayamita yekunze, ukobvu hwemadziro, kushivirira kwemativi, mhando dzehurefu uye kutsauka kunobvumidzwa, huremu hwedzidziso

Zano reKutenga: Mumagwaro einjiniya kana maodha ekutenga, GOST 8733 neGOST 8734 zvinowanzo taurwa pamwe chete; zvinoumba chiyero chakakwana chechigadzirwa chepaipi.

2. Tsananguro Yakadzama Yezvinhu: Simbi 20 (Giredhi 20)

Simbi 20 (zita rekuRussia Ст20) ndiyo simbi inonyanya kushandiswa ine kabhoni yepamusoro pasi peGOST 8734 standard, ichipa musanganiswa wehunhu hwayo hwakaringana. Kusiyana nesimbi inoputirwa inopisa 20 muGOST 8731, Simbi inodhonzwa inotonhora 20 inopa kururama kwepamusoro-soro uye kunaka kwepamusoro.

Kuumbwa kweMakemikoro (%)

 
Chinhu Rudzi rweZviri Mukati Basa / Mhedzisiro
C (Kabhoni) 0.17 – 0.24 Inovimbisa kuenzana pakati pesimba nekusimba
Mn (Manganese) 0.35 – 0.65 Inowedzera simba uye kuomarara
Si (Silicone) 0.17 – 0.37 Inowedzera kuramba kwe oxidation
P (Phosphorus) ≤ 0.030 Inodzora katsika kekutonhora kwekusagadzikana
S (Sarufa) ≤ 0.035 Inoderedza njodzi yekushaikwa kwemvura mumuviri
Cr (Chromium) ≤ 0.25 Inovandudza kuramba ngura
Ni (Nikeri) ≤ 0.30 Inowedzera kusimba
Cu (Mhangura) ≤ 0.30 Inovandudza kusimba kwemamiriro ekunze

Zvivakwa zveMichina

 
Pfuma Kukosha Mwero wekuyedza
Simba rekusimba (σb) ≥ 412 MPa GOST 1497
Simba rekupa (σs) ≥ 245 MPa GOST 1497
Kureba mushure mekutyoka (δ5) ≥ 21% GOST 1497
Kuoma (HB) ≤ 156 HB GOST 9012

3. Dimensional Range uye Tolerances (Core yeGOST 8734-75)

Range yeDimensional

Maitiro ekudhonza anotonhora anoita kuti pombi ive nehupamhi hwakanyanya. Kukwanisa kushivirira dhayamita yekunze kunogona kusvika pa ±0.15 mm kana ±0.8%, zvichizadzisa zvinodiwa zvemichina yakanyatsogadzirwa uye masisitimu ehydraulic:

 
Paramita Range
Dhayamita yekunze (OD) 1 – 200 mm
Ukobvu hwemadziro (WT) 0.2 – 22 mm
Kureba Kureba kusina kurongeka 1.5 - 11.5 m; kureba kwakatarwa 4 - 9 m

Kushivirira kweDhayamita yekunze

 
OD Range (mm) Kutsauka Kunobvumidzwa (mm)
5 ≤ OD ≤ 10 ± 0.15
10 < OD ≤ 30 ±0.30
30 < OD ≤ 50 ± 0.40
OD > 50 ± 0.8%

Kushivirira Kwehukobvu Hwemadziro

 
Huremu hwehuremu (mm) Kutsauka Kunobvumidzwa
Huremu ≤ 1 ± 0.12 mm
1 < Huremu ≤ 5 ±10%
HUWANDU > 5 ± 8%

Zvinodiwa paKutwasuka (pahurefu hwemita imwe neimwe)

 
OD Range (mm) Kukombama Kwakanyanya
5 - 8 ≤ 3 mm
8 - 10 ≤ 2 mm
> 10 ≤ 1.5 mm

Cherechedza: Kune mapaipi ane dhayamita 20–90 mm, miganhu yekutwasuka yakasimba inogona kupihwa kana paine chikumbiro chakakosha.

4. Magiredhi Epasi Rose Akaenzana

Steel 20 inoenderana zvakanyanya nemagiredhi mune mamwe mazinga epasi rose, zvichiita kuti kusarudzwa nekutsiviwa kwenyika dzese kuve nyore:

 
Sisitimu Yakajairika Giredhi rakaenzana
China (GB) 20# (GB/T 699 simbi yemhando yepamusoro yekabhoni) / 20G (yemaboiler ane simba guru)
USA (ASTM) A106 Gr.B
Japani (JIS) S20C

5. Mabhenefiti Akakosha Ekuita Kudhonza Kwechando

Zvichienzaniswa nemapombi anomonererwa nekupisa, mapaipi asina musono anodhonzwa nechando eGOST 8734-75 anopa mabhenefiti akasiyana anotevera:

 
Zvakanakira Tsananguro yehunyanzvi Kukosha kweMutengi
Kururama kwepamusoro-soro Kushivirira kwakasimba kunowanikwa nekudhirowa kunotonhora Yakakodzera michina yakanyatsogadzirwa uye masisitimu ehydraulic
Nzvimbo yemukati yakatsetseka Kushomeka kwekuoma kwemukati kunoderedza kuramba kwemvura Inowedzera kushanda zvakanaka mumasisitimu e hydraulic ne pneumatic
Simba rakanaka remakanika Kusimba kwakakwana uye simba rekugadzira Yakakodzera kushandiswa pakubata kumanikidzwa uye pakushandiswa kwechimiro
Saizi yakakura OD 1–200 mm, Huremu 0.2–22 mm Inosangana nezvinodiwa zvakasiyana-siyana zveinjiniya nekugadzira

6. Minda Yekushandisa Yakajairika

GOST 8734‑75 / Mapaipi esimbi makumi maviri anodhonzwa achitonhora anoshandiswa zvakanyanya mumamiriro ezvinhu anotevera:

 
Nzvimbo Yekushandisa Kushandiswa Chaiko Chikonzero Chekusarudza
Kutakura mafuta negesi Mapaipi ane kumanikidzwa kwakaderera Kugona kusundira zvakanaka, simba riri pakati nepakati
Midziyo yekutsinhana kupisa Mapaketi echubhu inochinja kupisa / condenser Kurongeka kwepamusoro-soro, kutamisa kupisa kwakanaka
Kugadzira michina Zvikamu zvemuchina, zvikamu zvemotokari Kugona kushanda zvakanaka, zviyero zvinoenderana
Masisitimu ehydraulic Mitsetse yehydraulic, mitsetse yemafuta Bore remukati rakatsetseka, kuramba mvura shoma
Mapombi eindasitiri Masisitimu emapombi eindasitiri akajairika Kushanda kwakaringana, uye kunoshanda zvakanaka pamutengo

Chinhu ichi chinokwanisa kushanda zvakanaka uye chinochinjika, zvichiita kuti chikwanise kushandiswa mukutakura zvinhu zvine mwero. 10–76 mm OD range ndiyo inonyanya kushandiswa pamapombi asina musono eGOST 8734 anodhonzwa achitonhora.

7. Kuvimbisa Hunhu Hwakanaka uye Rutsigiro rweCBAM

Kuvimbisa Hunhu Hwakanaka:

Batch yega yega inopihwa MTC yakazara (Mill Test Certificate).

Zvitupa zveEN 10204 3.1/3.2 zvinowanikwa kana zvikumbirwa.

Kuongororwa kwevamwe vanhu neSGS, BV, TÜV, nezvimwewo kunotsigirwa.

Kunyatso teverwa kubva panhamba yekunyunguduka kusvika pachigadzirwa chapera.

Rutsigiro rweCBAM (Carbon Border Adjustment Mechanism) rweKutevedzera Mutemo:

Tinogona kupa ruzivo rwekuburitswa kwekabhoni zvichienderana nezvigadzirwa zvichibva pachiyero chaicho chenzvimbo yacho.

Rubatsiro mukugadzirira zvirongwa zvekutarisa, mishumo yekubudisa utsi, uye mamwe magwaro ekusimbisa.

Kukubatsira kudzivirira nzira yekurangwa kwemutengo weEU.

8. Sei Uchifanira Kusarudza Indasitiri yeMapaipi eSanon?

 
Simba Redu Zvidimbu
Hunyanzvi hwemitemo Kunzwisisa kwakadzama kwehurongwa hweGOST 8733/8734; kududzirwa kwakarurama kwezvinodiwa zvehunyanzvi zveRussia
Kuvimbika kwezvinhu Zvitupa zvakakwana zveSteel 20; tinogonawo kupa magwaro akaenzana eGB/ASTM/JIS grade
Kunyatsojeka kwakavimbiswa Kugadzirwa kunotevera zvinodiwa neGOST 8734‑75 zvekushivirira - kurongeka kwakavimbika
Kutumira nekukurumidza Inotsigirwa nemidziyo yekutakura zvinhu inorema matani zviuru makumi maviri; maodha ekukurumidzira anotumirwa mukati memazuva manomwe kusvika gumi nemashanu
Rutsigiro rwesevhisi yakazara Basa rekumira kamwe chete kubva pakubvunza, kutarisa nhoroondo, mutengo, magwaro, kusvika kune zvekufambisa zvinhu
Kuzvipira kusina njodzi Nzvimbo dzekutarisa dzemukati dzinopfuura 240; hapana musiyano wemagwaro

9. Taura Nesu

Sanon Pipe yakatsaurirwa kupa mapaipi esimbi asina musono emhando yepamusoro anodhonzwa neGOST kune vatengi vari muRussia, CIS, nekune dzimwe nyika. Kunyangwe muchida saizi dzakajairwa kana saizi dzakagadzirwa, tinopa rutsigiro rwehunyanzvi uye mhinduro dzekushandisa dzinochinjika.

Muenzaniso wetsananguro yezvakajairika:

Труба стальная бесшовная холоднодеформированная 57×3.5 ГОСТ 8734-75 / В 20 ГОСТ 8733-87
(Pombi yesimbi isina musono inodhonzwa inotonhora 57×3.5, zvichienderana neGOST 8734‑75 dimensional standard, zvinhu zveSimbi 20, zvichienderana nemamiriro ehunyanzvi eGOST 8733‑87)

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info@sanonpipe.com
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