—— Sanonpipe, Amintaccen Mai Kaya Don Bututun Boiler da Bututun Zafi Mai Zafi Mai Zafi

I. Gabatarwa ta yau da kullun - Tushen Bututun Karfe Masu Juriya ga Zafi na Masana'antu na Jamus

DIN 17175shine ma'aunin masana'antar Jamusbututun da ba su da matsala da aka yi da ƙarfe masu jure zafi, mai taken bututun ƙarfe marasa sumul na ƙarfe masu jure zafi. Ya shafi bututun da ba su da sumul - gami da bututun kan kai - waɗanda ake amfani da su wajen gina tukunyar ruwa, bututun mai, tasoshin matsi da kayan aiki don yin hidima har zuwa600°Cda kuma matsin lamba mai yawa a lokaci guda.

Bisa ga ma'anarsa: "Bangarorin da ke da kyawawan halaye na injiniya ko da a lokacin matsin lamba na dogon lokaci a yanayin zafi mai yawa, har zuwa 600 °C, za a ɗauke su a matsayin masu jure zafi a yanayin zafi mai yawa." Za a samar da bututun da suka dace da zafi a tsawonsu.

Standarda'idar ta ƙunshi cikakken bakanMatakan ƙarfe 9, tun dagaƙarfe masu jure zafi na carbonkumaƙananan ƙarfe masu jure zafi to ƙarfe masu jure zafi na martensiticTare da shekaru da dama na amfani da shi a masana'antar tukunyar jirgi da matsi na Jamus da Turai, DIN 17175 ya kasance wani takamaiman tsari da aka ambata don bututun mai zafi da matsin lamba mai yawa.

Muhimmin bayanin kula:An maye gurbin DIN 17175 da daidaitaccen daidaiton TuraiEN 10216-2(Bututun ƙarfe marasa sumul don dalilai na matsi - Yanayin isar da fasaha - Kashi na 2: Bututun ƙarfe marasa ƙarfe da na ƙarfe masu takamaiman halayen zafin jiki mai girma). Duk da haka, ana amfani da ƙayyadaddun matsayin DIN 17175 a duk duniya, kuma yawancin shuke-shuke da ke akwai, tsoffin ƙira da ƙayyadaddun fasaha suna ci gaba da ambaton su. Sanonpipe na iya samar da samfura bisa gaDIN 17175 ko EN 10216-2, kamar yadda abokin ciniki ya buƙata.

II. Fagen Aikace-aikace - Zaɓin Kayan Aiki na Musamman ga Masana'antun Boiler, Wutar Lantarki da Man Fetur

Ana amfani da bututun DIN 17175 marasa sumul a aikace-aikacen zafi mai yawa da matsin lamba masu zuwa:

Yankin Aikace-aikace	Amfani na Musamman	Yanayin Aiki
Gina tukunyar jirgi	Dumama saman, bututun ruwa-bango, bututun tattalin arziki na boilers masu matsin lamba mai yawa	Har zuwa 600 ° C, tururi mai ƙarfi
Bututun tururi	Manyan layukan tururi, layukan sake dumamawa, kanun labarai	Babban zafin jiki & matsin lamba, sabis na dogon lokaci
Tasoshin matsi	Tasoshin da kayan aiki masu matsin lamba masu zafi	Matsi + zafin jiki mai yawa
Samar da wutar lantarki	Bututun wutar lantarki da bututun nukiliya	Muhimman sassan sabis
Masana'antar mai	Bututun aiki mai zafi mai yawa, masu musayar zafi	Zazzabi mai yawa + kafofin watsa labarai masu lalata

A bisa ga Sashe na 4 na ƙa'idar, zaɓin matakin ƙarfe yana kan zaɓin abokin ciniki. Sanonpipe na iya ba da shawarar zaɓin kayan aiki na ƙwararru bisa ga takamaiman sigogin aiki na abokin ciniki.

III. Ma'aunin Kayan Aiki - Cikakken Bayani na Karfe Guda Tara

Murfin DIN 17175Matakan ƙarfe 9, tun daga ƙarfen carbon zuwa ƙarfe masu ƙarfe da aka haɗa da ƙarfe da kuma daga ƙarfe masu jure zafi na yau da kullun zuwa ƙarfe masu jure zafi na martensitic:

Karfe Grade	Lambar Kayan Aiki	Nau'i	Babban Halaye
St35.8	1.0305	Mai jure wa zafi na carbon	Matsayi na asali don bututun tukunyar jirgi na gabaɗaya
St45.8	1.0405	Mai jure wa zafi na carbon	An fi amfani da shi sosai, kuma ya fi ƙarfi fiye da St35.8
17 Mn 4	1.0481	Ƙananan juriya ga zafi	Mn-ƙarfafawa, ƙarfi mafi girma
19 Mn 5	1.0482	Ƙananan juriya ga zafi	Mn-ƙarfafawa, har ma da ƙarfi mafi girma
15 Wata 3	1.5415	Molybdenum mai jure zafi	Ya ƙunshi kyawawan halaye na Mo, kyawawan halaye na rarrafe
13 CrMo 4 4	1.7335	Cr-Mo mai jure zafi	Karfe mai ƙarfin tukunyar jirgi, juriyar zafi mai kyau
10 CrMo 9 10	1.7380	Cr-Mo mai jure zafi	Babban abun ciki na Cr-Mo, ya dace da yanayin zafi mai yawa
14 MoV 6 3	1.7715	Mo-V mai jure zafi	Ya ƙunshi Mo da V, ingantaccen aikin zafin jiki mai kyau
X20 CrMoV 12 1	1.4922	Juriyar zafi ta Martensitic	Mafi girman abun ciki na ƙarfe, matsakaicin zafin aiki 650 °C

IV. Cikakken Bayani game da Ma'aunin Karfe Mai Mahimmanci

4.1 St45.8 (Lambar Kayan Aiki 1.0405) – Karfe Mafi Amfani Da Yawa Mai Juriya Da Zafi Daga Carbon

St45.8 shine ƙarfe mafi jure zafi na carbon a cikin DIN 17175. "St" yana nufin Stahl (ƙarfe), kuma "45" yana nuna matakin ƙarfin tauri na kimanin 450 MPa.

Sinadaran da ke cikinsa (%):

Sinadarin	Abubuwan da ke cikin St45.8	Bayani
C	≤ 0.21	Yana tabbatar da daidaiton ƙarfi da tauri
Si	0.10 – 0.35	Inganta iskar shaka da juriyar zafi
Mn	0.40 – 0.80	Yana ƙara ƙarfi da tauri
P	≤ 0.020	An sarrafa shi sosai don tabbatar da tauri mai zafi
S	≤ 0.020	An tsara shi sosai don sauƙin aiki mai zafi

Kayayyakin Inji:

Kadara	darajar
Ƙarfin tauri (σb)	410 – 530 MPa
Ƙarfin samarwa (σs)	≥255 MPa
Ƙarawa (δ5)	≥ 21%

Zafin aiki da aka ba da shawarar:≤ 500 °C (ƙarfe na carbon na iya yin graphitis idan aka yi aiki da shi sama da 450 °C na tsawon lokaci)

Maki na Ƙasashen Duniya:

Daidaitacce	Daidaitaccen Maki
China (GB)	20G(GB 5310)
Amurka (ASTM)	A106 Darasi na B
Japan (JIS)	STB42
Turai (EN)	P235GH(EN 10216-2)

4.2 Jerin Karfe Mai Juriya Da Zafi Na Alloy (15Mo3 / 13CrMo44 / 10CrMo910)

Karfe Grade	Lambar Kayan Aiki	Babban Abubuwan Haɗawa	Zafin Sabis	Aikace-aikacen da Aka saba
15Mo3	1.5415	Mo	≤ 550 °C	Masu dumama tukunyar jirgi, masu sake dumamawa
13CrMo44	1.7335	Cr-Mo	≤ 580 °C	Bututun tukunyar jirgi mai matsin lamba, layukan tururi
10CrMo910	1.7380	Cr-Mo	≤ 600 °C	Bututun tururi mai zafi da matsin lamba mai yawa

4.3 X20CrMoV121 (Lambar Kayan 1.4922) – Mafi Girman Yanayin Zafi

X20CrMoV121 shinemafi girman ƙarfe da mafi girman zafin aikiƙarfe a cikin DIN 17175. Muhimman fasaloli:

Matsakaicin zafin aiki: 650°C

Nau'in kayan:Karfe mai jure zafi na Martensitic

Maɓallan Kayayyaki:Babban abun ciki na gami yana ba da kyakkyawan ƙarfi na rarrafe da juriya ga tururi.

Walda:Yana buƙatar hanyoyi na musamman (yin zafi kafin a fara aiki + maganin zafi bayan an gama aiki)

Aikace-aikace na yau da kullun:Na'urorin dumama mai zafi/matsi mai yawa a cikin tashoshin wutar lantarki na zafi da aka shigo da su daga ƙasashen waje - manyan bututun tururi, manyan na'urorin dumama, masu sake dumamawa, da sauran muhimman abubuwan da ke cikin su

V. Inganci Maki - Aji na I da Aji na III

DIN 17175 ya bayyanadaraja biyu masu kyau: Darasi na IkumaAji na III.

Inganci Ma'auni	Sharuɗɗan da suka dace	Bukatun Gwaji	Aikace-aikace na yau da kullun
Darasi na I	Zafin jiki ≤ 450 °C, matsin lamba ≤ mashaya 80	Gwaji na asali	Boilers masu matsakaicin matsin lamba zuwa ƙasa
Aji na III	Zafin jiki > 450 °C ko matsi > mashaya 80	Gwaji mai tsauri(100% NDT, gwaje-gwajen zobe akai-akai)	Boilers masu matsin lamba mai yawa, masu dumama da yawa, masu sake dumamawa

Ga bututun ƙarfe na carbon (St35.8, St45.8), duka biyun Aji na I da Aji na III na iya aiki; ga bututun ƙarfe na ƙarfe,kawai aji na IIIyana aiki.

VI. Tsarin Kera da Bukatun Gwaji

6.1 Tsarin Kera

A bisa ga Sashe na 6.1.1, ana iya ƙera bututu ta hanyarbirgima mai zafi ko sanyi, matsi mai zafi, zane mai zafi ko sanyiTsarin takamaiman ya dogara ne akan girman da ake buƙata da aikace-aikacen.

6.2 Maganin Zafi

Ya kamata a samar da bututun da suka dace da zafin jiki a tsawonsu. Dangane da nau'in ƙarfe, ana iya amfani da waɗannan hanyoyin magance zafi:

Daidaita daidai(don ƙarfe na carbon St35.8, St45.8)

Ƙara yawan zubar jini

Taurare da kuma daidaitawa(don ƙarfe masu ƙarfe)

Ga 13CrMo44 da 10CrMo910, yin tempering kaɗai zai iya zama isasshen a ƙarƙashin wasu sharuɗɗa. Karfe 14MoV63 da X20CrMoV121dole nea samar da shi a cikin yanayi mai tauri da sanyi.

6.3 Gwajin da Ba Ya Lalacewa (NDT)

DominBututun aji na III, ma'aunin yana buƙatar:

100% NDT(gwajin ultrasonic) don lahani na tsawon lokaci

Ana iya amincewa da ƙarin gwaji don lahani masu ratsa jiki da/ko laminations

Gwaje-gwajen Zobe na 6.4

Ana iya gwada bututun aji na III a cikin gwaje-gwajen zobe, gami da:

Gwajin daidaita zobe

Gwajin faɗaɗa zobe

Gwajin tensile na zobe

Ga bututun aji na uku waɗanda diamita na waje ya kai ≤ 51 mm,kashi 20%Ana gwada tsawon da aka birgima; ga waɗanda suka fi 51 mm,ƙarshen kowane tsayin da aka birgima biyuana gwada su da zobe.

VII. Ma'aunin Daidaito na Duniya

DIN 17175 yana da ƙa'idodi iri ɗaya ko waɗanda za a iya musanyawa a duk duniya:

Tsarin Daidaitacce	Daidaitaccen Daidaito	Bayani
Turai (EN)	EN 10216-2	Sauyawa kai tsaye (bututun da ba su da matsala sosai)
Amurka (ASTM)	ASTM A106 / A213 / A335	Manyan bututun sumul masu zafi
China (GB)	GB 5310(bututun tukunyar jirgi mai matsin lamba)	Ma'aunin bututun tukunyar jirgi na musamman
China (GB)	GB 3087 (bututun tukunya mai ƙarancin/matsakaici)	Bututun tukunyar ruwa mai ƙarancin/matsakaici
Birtaniya (BS)	BS 3059 / BS 3602	Ma'aunin bututun tukunya
Faransa (NF)	NF A 49-213	Manyan bututun sumul masu zafi

VIII. Bayani Mai Sauri - Daidaito na Ƙasashen Duniya na Maɓallin DIN 17175

Darasi na DIN 17175	Lambar Kayan Aiki	China GB	ASTM ta Amurka	Turai EN
St35.8	1.0305	20G (kimanin)	A106 Darasi na A	P235GH
St45.8	1.0405	20G	A106 Darasi na B	P235GH
17Mn4	1.0481	Q345	—	—
19Mn5	1.0482	Q390	—	—
15Mo3	1.5415	15MoG	A209 T1a	—
13CrMo44	1.7335	15CrMoG	A213 T12	13CrMo4-5
10CrMo910	1.7380	12Cr2MoG	A213 T22	10CrMo9-10
14MoV63	1.7715	—	—	—
X20CrMoV121	1.4922	—	—	—

IX. Me yasa za a zaɓi Sanonpipe?

Amfaninmu	Cikakken Bayani
Kwarewa ta yau da kullun	Fahimtar DIN 17175 da EN 10216-2 sosai - muna fassara da aiwatar da kowace buƙata daidai
Tabbatar da kayan aiki	Cikakken ɗaukar hoto daga St35.8 zuwa X20CrMoV121; cikakkun takaddun shaida na kayan aiki (EN 10204 3.1 / 3.2 suna nan)
Girman girma dabam-dabam	Kewayon wadata: OD 10–426 mm, WT 1–40 mm – ya ƙunshi dukkan buƙatun girma na DIN 17175
Garanti mai inganci	Mai iya cika buƙatun Aji na I da Aji na III – 100% NDT don bututun Aji na III
Isarwa da sauri	Tan 20,000 na kayan yau da kullun; an aika da odar gaggawa cikin kwanaki 7-15
Tallafin cikakken sabis	Daga bincike da fayyace fasaha, zuwa ambato, takardu da dabaru - isar da kaya sau ɗaya
Alƙawarin Babu Haɗari	Duban duba ingancin ciki sama da 240; babu wani bambanci a cikin takardu
Tallafin bin ƙa'idodin CBAM	Taimako wajen shirya bayanan sawun carbon na samfur don bin ƙa'idodin daidaita iyakokin Carbon na EU

X. Tuntube Mu

Sanonpipe ta himmatu wajen samar wa abokan ciniki na duniya bututun da ba su da matsala waɗanda suka dace da ƙayyadaddun DIN 17175. Ko kuna buƙatar bututun boiler, bututun zafi mai zafi, bututun tururi ko bututun matsi, muna ba da tallafin fasaha na ƙwararru da mafita masu sassauƙa.

Misalin yin oda na yau da kullun:

Bututun Karfe Mara Sumul 51 × 3.0 DIN 17175 – St45.8 III

Kamfanin Tianjin Sanonpipe Ltd.
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