Boiler Tube Zvigadzirwa
ASTM A178 Carbon Steel Boiler Tubes, Seamless Boiler Tubes, High-Pressure Boiler Tubes, Heat-Resistant Carbon Steel Tubes, Pressure Vessel Tubes, Industrial Boiler Tubes, uye OEM mhinduro dzezvidyarwa zvemagetsi, indasitiri yemakemikari, uye mashandisirwo emidziyo yemagetsi.
Manufacturing Process
Machubhu anogadzirwa nenzira isina musono inopisa inotenderedza, kunyatsobaya, inodzorwa kupisa kurapwa, uye CNC kupedzisa kuvimbisa kusimba kwakasimba, yunifomu yemadziro ukobvu, uye kuita kwakavimbika pasi peyakanyanya-kudzvanywa boiler mamiriro.
Material Range
Carbon simbi mamakisi anoenderana neASTM A178 yakajairwa, inosanganisira tsika simbi yemagiredhi epamusoro-kumanikidza uye yakakwirira-tembiricha boiler application.
Mechanical Advantages
Kusimba kwepamusoro uye goho resimba, kuramba kuneta kwakanyanya, yunifomu yakaenzana, kupisa kwepamusoro uye kutsungirira kutsungirira, uye kuvimbika kwenguva refu kweASTM A178 Carbon Steel Boiler Tube muzvidyarwa zvemagetsi, mabhailer emaindasitiri, uye masisitimu emidziyo yemagetsi.
ASTM A178 Carbon Steel Boiler Tube – Technical Standard Guide neWomic Steel
Womic Steel inyanzvi inogadzira uye inotengesera kunze kwenyika yeASTM A178 ERW kabhoni simbi boiler machubhu, inyanzvi muASTM A178 Giredhi A, ASTM A178 Giredhi C, uye ASTM A178 Giredhi D yemaindasitiri boilers, superheaters, economizers, HRSG masisitimu, uye ekupisa kupisa.
Ichi chinyorwa chakawedzerwa chinopa yakazara, SEO-yakagadziridzwa ongororo yeASTM A178 yakajairwa, inovhara kemikari, michina zvimiro, kushivirira kwedimensional, kurapwa kwekupisa, matekinoroji ekugadzira, zvinodiwa zvekuedza, uye mashandisirwo epasi rose. Yakagadzirirwa kubatsira EPC makondirakiti, vanogadzira boiler, vanogovera, uye yekupedzisira-vashandisi kusarudza iyo chaiyo ASTM A178 kabhoni simbi boiler tubing yemapurojekiti avo.
Chii chinonzi ASTM A178? – Standard Overview
ASTM A178 / A178M ndiyo inocherechedzwa pasi rose yeMagetsi-Resistance-Welded (RW) kabhoni simbi machubhu anoshandiswa mu:
•high-pressure steam boilers
•high-temperature superheaters
•economizers
•kupisa-kudzoreredza steam jenareta (HRSG)
•maindasitiri kudziyisa hurongwa
•petrochemical choto machubhu
•kunatsa boilers
Chiyero chinovharamatatu akasiyana ezvinyorwa mamakisi, imwe neimwe yakarongedzerwa kune akasiyana mashandiro ekumanikidza uye tembiricha:
• ASTM A178 Giredhi A- yakaderera-kabhoni simbi, yakanakisa weldability
• ASTM A178 Giredhi C-pakati-kabhoni simbi, yakakwirira-tembiricha simba
• ASTM A178 Giredhi D- Kabhoni-manganese simbi, yakanakira kudzvinyirira kwakanyanya
Sravana Sameeralu Serial 4th Womic Steelanogadzira zveseASTM A178 mamakisi zvakanyatsoenderana neASTM, ASME SA178, EN 10216, PED,uyeASME Boiler & Pressure Vessel Codezvinodiwa.
Detailed Chemical Composition Comparison
Kemikari inoumbwa inokanganisa zvakananga weldability, simba rekukambaira, kuramba kwecorrosion, uye kuita kwenguva refu. Pazasi pane zvinyorwa zvinodiwa paASTM A178.
⭐ASTM A178 Giredhi A – Yakaderera Carbon ERW Boiler Tube
• C: 0.06–0.18%
• Mn: 0.27–0.63%
• P ≤ 0.035%
• S ≤ 0.035%
Features:
Yakanakisa weldability, yakanakisa ductility, ine mwero tembiricha kugona.Inokodzera general boiler kuvaka.
⭐ ASTM A178 Giredhi C – Medium Carbon ERW Superheater Tube
• C: 0.35–0.65%
• Mn: 0.80–1.20%
• P ≤ 0.035%
• S ≤ 0.035%
Features:
Yakakwira kabhoni inowedzera simba → zvirinani kune yakakwirira-tembiricha superheaters, economizers.
⭐ ASTM A178 Giredhi D - Carbon-Manganese High-Pressure Boiler Tube
• C ≤ 0.27%
• Mn: 0.80–1.20%
• P ≤ 0.035%
• S ≤ 0.035%
Features:
Yakaenzana kuumbwa, kuwedzera simba & kuoma.
Yakagadzirirwa yakakwirira-kumanikidza boiler machubhu uye simba-chirimwa chiutsi mitsara.
Mechanical Properties – Giredhi A vs. C vs. D Comparison
ASTM A178 Giredhi A Mechanical Properties
•Tensile Simba:380 MPa min
•Goho Simba:205 MPa min
•Elongation:30% min
•Yakanakisa ductility → yakanyanya kuumbwa
ASTM A178 Giredhi C Mechanical Properties
•Tensile Simba:485 MPa min
•Goho Simba:275 MPa min
•Elongation:30% min
•Yakanakisa yepamusoro-tembiricha simba kune superheaters
ASTM A178 Giredhi D Mechanical Properties
•Tensile Simba:415 MPa min
•Goho Simba:240 MPa min
•Elongation:30% min
•Yakasimba kupfuura Giredhi A; yakanaka kune yakakwira-kumanikidza boilers
Dimensional Kugona & Kushivirira (ASTM A178 Zvinodiwa)
Womic Steel Production Range
Outer Diameter:15.88–127 mm (5/8"–5")
Kukora Kwemadziro:1.2–12 mm
Urefu:kusvika ku24m
⭐OD (Kunze Diameter) Kushivirira
•OD ≤ 38.1 mm →±0.40 mm
•38.1–88.9 mm →±1%
•OD > 88.9 mm →±0.75%
Womic Simbi inodzora OD mukatihafu yekushivirira uku, kuve nechokwadi chekuenderana kwepamusoro.
⭐Rusvingo Ukobvu (WT) Kushivirira
+20% / -0% (sezviri paASTM A178)
Womic Steel inowanzopa+10% / −0%(yakasimba kupfuura mwero).
⭐Kureba Kushivirira
Urefu hwakagadziriswa:±10 mm
Random urefu:5–7 m / 7–12 m
Yepamberi Yekugadzira Maitiro - Womic Simbi ERW Boiler Tube Kugadzira
Chirimwa chedu chinotevera mutsara wekugadzira weERW wakazara:
1. Raw Material Kugadzirira
•Premium inopisa-yakatenderedzwa coil kubva kuBaosteel, Ansteel, HBIS
•Spectrometer verification kune yega coil
2. High-Frequency Electric Resistance Welding (HF-ERW)
•Precision welding ine controlled heat input
•Laser weld seam monitoring
•Inline weld bead rolling
3. Normalizing Heat Treatment
•900–950°C
•Yakakosha kune ese ASTM A178 mamakisi
•Inovimbisa kunatswa kwezviyo & weld homogeneity
4. Cold Sizing & Straightening
•Inovimbisa chaiyo OD/WT kutonga
•Inowana yepamusoro yepamusoro pekupedzisira
5. Yakazara Isina-Kuparadza Testing (NDT)
•Eddy Iyezvino (ET)
•Ultrasonic Testing (UT)
•Weld musono X-ray (kusarudza)
6. Mechanical Testing
•Tensile test
•Flattening bvunzo
•Flaring test
•Muedzo wekuoma
7. Hydrostatic Test
•100% hydro yekuongorora pane ASTM zvinodiwa
•Machubhu ese anouya nekuzara kupisa nhamba traceability.
Heat Treatment Zvinodiwa paASTM A178
| Giredhi | Inodiwa Heat Treatment |
| A | Inosungirwa yakazara-muviri normalizing |
| C | Inosungirwa yakazara-muviri normalizing |
| D | Normalizing kana stress inodzora |
Womic Steel inoshandisainoenderera mberi roller furnaceskuve nechokwadi chekudziya kweyunifomu.
Kuedza & Kuongorora (ASTM A178 Inosungirwa Miedzo)
Womic Steel inoita:
• Kuongororwa kweHydrostatic (100%)
• Kuvheneka bvunzo
• Flaring test
• Transverse tensile test
• Weld bend test
• Dimensional kuongorora
• NDT: UT, ET
• Metallographic kuongorora
• Kuongororwa kwemhedzisiro (optional)
• Kuomarara bvunzo
Wechitatu-bato ongororo iripo:SGS / BV / TUV nezvimwe
Certification & Documentation
Womic Simbi inogona kupa:
• EN 10204 3.1 / 3.2 zvitupa
• ASME SA178 certification
• ISO 9001 / ISO 14001 / ISO 45001
• PED 2014/68/EU
• Material traceability mishumo
• WPS / PQR yekugadzira bhaira
Zvikumbiro zveASTM A178 Boiler Tubes
ASTM A178 ERW boiler machubhu anoshandiswa zvakanyanya mu:
Power Generation
•Mabhoilers emarasha
•Gasi-kupisa boilers
•Biomass boilers
•HRSG tsvina inopisa boilers
Mafuta & Gasi
•Mavira ekunatsa
•Steam yekugadzira zvikamu
Industrial Heating
•Textile dyeing boilers
•Chikafu chekugadzirisa boilers
•Chemical reactor kudziyisa
Heat Exchangers & Economizers
•Air preheaters
•Flue gasi kupisa kupora
Kukwanisa Kugadzira & Nguva Yekutumira - Womic Steel Advantage
• Mwedzi wega wega:12,000–15,000 matani
• Nguva yekutungamira:10-25 mazuva
• stock iripo:OD 19–76 mm
• Raw materials yakachengetedzwa nezvibvumirano zvepagore
• Izvi zvinovimbisa kugadzikana kwemitengo + kukurumidza kutumira.
Packaging & Export Shipping
Womic Steel inopa kunze-giredhi kurongedza:
•Hexagonal masumbu ane tambo dzesimbi
•Plastic end caps
•Mvura yepurasitiki yekuputira
•Optional mapuranga emapuranga
•Customized markings (laser kana stencil)
Kutumira zvakanakira:
•Tianjin, Qingdao, Shanghai zvakananga ekisipoti
•Specialized steel logistics team
•Yakasimbiswa kurodha kudzivirira seam deformation
Mamwe Masevhisi Ekugadzirisa
Isu tinopa yakazara kukosha-akawedzera masevhisi:
•Black varnish kupfeka
•Oil coating anti-corrosion
•Kupeta & U-kupeta
•Kucheka & beveling
•CNC machining
•Kugadzirwa kwepombi spool
•Mukati kuchenesa / sandblasting
Sei uchisarudza Womic Simbi seASTM A178 yako Mutengesi?
✔ Imwe yeChina inotungamira vagadziri veERW boiler machubhu
✔ Yepamberi HF-ERW mitsetse yekugadzira ine inline NDT
✔ Kushivirira kwakasimba kupfuura ASTM A178 standard
✔ Kurumidza kugadzira + yakagadzika mbishi zvinhu zvekushandisa
✔ Chitupa chizere: ISO, PED, ASME
✔ Yakasimba kutumira kunze kugona uye ruzivo rweprojekiti
✔ Mitengo yemakwikwi uye yakagadzikana mhando
✔ Inyanzvi yeinjiniya rutsigiro kune boiler uye simba-chirimwa matende
Tinodada zveducustomization masevhisi, kukurumidza kugadzira kutenderera,uyeglobal delivery network,kuve nechokwadi chekuti zvaunoda chaizvo zvinozadzikiswa nemazvo uye nekunaka.
Webhusaiti: www.womicsteel.com
Email: sales@womicsteel.com
Tel/WhatsApp/WeChat: Victor: +86-15575100681 kana Jack: +86-18390957568










