I-EN 10025-2 Hot Rolled Structural Steel Tube

Amabanga S235, S275, S355 – Ikhwalithi JR, J0, J2 – Uphawu lwe-CE luyatholakala

Umbiko womkhiqizo

EN 10025-2 amashubhu ensimbi yesakhiwo angena-alloy ashushu ukwakhiwa, amabhuloho, ama-crane, kanye nezicelo zobunjiniyela ezijwayelekile. Ukumakwa kwe-CE kuyatholakala ngaphansi kwe-CPR.

Amabanga: S235, S275, S355 (ethandwa kakhulu)
Amabanga Ekhwalithi: JR (+20°C), J0 (0°C), J2 (-20°C)
I-OD: 21.3mm – 508mm | I-WT: 2.0mm – 60mm

✅ I-EN 10025-2:2019 – izinga lamanje laseYurophu
✅ I-hot rolled – inezindleko eziphansi ngobuningi
✅ Ukushiselana okuhle nokusebenza kahle ngomshini
✅ Ikhwalithi ye-J2 – ihlolwe ukumelana nokushisa okungu-20°C ezindaweni ezibandayo
✅ Uphawu lwe-CE luyatholakala – i-CPR iyahambisana
✅ I-EN 10204 3.1 MTC enenombolo yokushisa

Ukukhethwa kwezinga – Izicelo zezakhiwo

Osayizi abathandwa kakhulu – S355J2

Othintwayo

Heat Exchanger U-Bend Tube – ASTM A179

U-Bend Heat Exchanger Tube

ASTM A179 | Seamless Cold Drawn | U-Bends for Floating Head HE

Product Overview

Our U-bend tubes are manufactured from ASTM A179 seamless cold-drawn low carbon steel, specifically designed for floating head heat exchangers where tube bundle removal is required.

✅ OD range – 5mm – 256mm
✅ Wall thickness – 0.8mm – 3mm
✅ Min bend radius – 1.5 × OD (typical)
✅ Leg length tolerance – ±1.6mm
✅ Stress relieved after bending

Key Specifications

Applications

• Floating head heat exchangers

• U-tube heat exchangers

• Condensers (U-bend type)

• Chemical process heaters

Contact

EN 10210-1 Hot Finished Structural Hollow Sections

Non-Alloy and Fine Grain Steels – S235, S275, S355, S420 – Circular, Square, Rectangular

Product Overview

EN 10210-1 hot finished structural hollow sections for construction, bridges, cranes, and offshore applications. CE marking available under CPR.

Grades: S235, S275, S355 (most popular) , S420, S460
Quality: JR, J0, J2, N, NL
Shapes: Circular (CHS), Square (SHS), Rectangular (RHS)

✅ EN 10210-1 – hot finished (stress-relieved)
✅ Seamless or welded options
✅ S355J2H – high strength with -20°C impact toughness
✅ S420NH – 420 MPa yield fine grain
✅ CE marking available – CPR compliant
✅ EN 10204 3.1 MTC with heat number

Grade Selection – Structural Applications

Most Popular Sizes – S355J2H

Contact

Ipayipi Lensimbi Eyingxube – ASTM A335 P11 / P22 / P91

Ipayipi lensimbi ye-Chrome Moly Alloy

ASTM A335 P11, P22, P91 | Ukusebenza Ekushiseni Okuphezulu | OD 5-256mm

Uhlolojikelele Lomkhiqizo

Yethu ipayipi lensimbi ye-chrome moly alloy kuya ku-ASTM A335 (P11, P22, P91) iklanyelwe ukusebenza ekushiseni okuphezulu nasekucindezelweni okuphezulu ezindaweni zokuhluza, iziteshi zamandla, nezindawo zamakhemikhali kaphethroliyamu.

✅ Asebenza Ngaphandle Komthungo – Ayikho imithungo yomthungo ukuze kugcinwe amandla okukhasa
✅ Amazinga – P11 (1.25Cr-0.5Mo), P22 (2.25Cr-1Mo), P91 (9Cr-1Mo-V)
✅ Ububanzi be-OD – 5mm – 256mm
✅ Ububanzi be-WT – 2mm – 20mm
✅ Kwelashwe ngokushisa – Ijwayelekile + ifudunyezwa (P91)

Imininingwane Eyisihluthulelo

Izinhlelo Zokusebenza

• Imigqa emikhulu yomusi

• Ama-header ekushiseni okuphezulu

• Amashubhu esifudumezi endlu yokuhluza

• Ipayipi lokuphuma le-superheater

Xhumana

Ipayipi Elishiselwe nge-ERW

Ipayipi elishiselwe ngogesi – Ububanzi 5mm – 256mm | Ubukhulu bodonga 0.8mm – 12mm

Insimbi yeCarbon – i-ASTM A53 / i-API 5L / i-EN 10217 / i-GB/T 3091

Uhlolojikelele Lomkhiqizo

Ethu Ipayipi lensimbi le-ERW (Electric Resistance Welded) ikhiqizwa ngokubumba i-coil yensimbi ebandayo ibe umumo oyindilinga bese kushiselwa umthungo kusetshenziswa i-high-frequency electric resistance welding. Le nqubo ikhiqiza ipayipi elinomthungo wokushisela ongaguquki, ukunemba okuhle kakhulu kobukhulu, kanye nokonga izindleko ezinhle ekusetshenzisweni okuvamile.

Ngobubanzi obungaphandle obusuka ku- 5mm kuya ku-256mm nobukhulu bodonga obusuka ku 0.8mm kuya ku-12mm, amapayipi ethu e-ERW alungele ukuthuthwa kwamanzi, igesi, uwoyela, izinhlelo zokwakha, kanye nezinsiza ezinengcindezi ephansi kuya emaphakathi.

Izici Eziyinhloko:

• Inqubo ye-ERW – I-high-frequency electric resistance welded

• Iyonga izindleko – Intengo ephansi kunepayipi elingenamthungo

• Ikhwalithi engaguquki – Umugqa wokukhiqiza ozenzakalelayo

• Ububanzi obubanzi bosayizi – I-OD engu-5-256mm – ukuthola konke endaweni eyodwa

• Ukushiselwa okuhle – Ukushisela okulula ensimini

• Kuhlolwe nge-hydrostatic ngokugcwele (100%) – Ubuqotho obuqinisekisiwe

• Ukulandeleka okugcwele – I-EN 10204 Uhlobo 3.1 MTC enenombolo yokushisa

✅ Ukukhiqizwa kwe-ERW – Indlela eyonga izindleko esikhundleni sepayipi elingenamthungo
✅ Indawo ebushelelezi – Ukuqedwa okuhlanzekile, okungenazikali
✅ Ukubunjwa Okuhle – Ilungele ukugoba, ukugxoba, nokufaka intambo
✅ Ukulethwa Okusheshayo – Usayizi wesitoko olungele ukuthunyelwa
✅ Ngqo efeni | Ukuthunyelwa emhlabeni wonke

Imininingwane Eyisihluthulelo

Amazinga namabanga

Ukuhlanganiswa kwamakhemikhali (Okujwayelekile – Ibanga B / Q235B)

💡 Ikharboni ephansi iqinisekisa ukuhlangana okuhle emasimini.

Izici Zemishini (Okujwayelekile – Ibanga B / I-Q235B)

Osayizi Abatholakalayo – Ipayipi le-ERW

💡 Osayizi abadume kakhulu: 21.3mm, 26.9mm, 33.7mm, 42.4mm, 48.3mm, 60.3mm, 76.1mm, 88.9mm, 114.3mm, 168.3mm, 219.1mm OD

Umhlahlandlela Wokukhetha Izinga

Izicelo Ngokwemboni

Izinzuzo Zepayipi le-ERW

Ukuqhathanisa i-ERW ne-Seamless

Ukuqinisekiswa Kwekhwalithi Nokuhlolwa

Isitifiketi Sokuhlola Imboni

• I-EN 10204 Uhlobo 3.1 MTC – Okujwayelekile

• I-EN 10204 Uhlobo 3.2 – Kuyatholakala uma kuceliwe (i-SGS, i-BV, i-TUV)

• Ukulandeleka: Ukulandelelwa okugcwele kusukela ekhojini kuya epayipini eliqediwe

Izinsiza zokucubungula

Ukupakisha Nokuthunyelwa

Kungani Ukhetha Ipayipi Lethu Le-ERW Elishiselwe?

Xhumana ukuze Uthole Isilinganiso

Sicela unikeze le mininingwane elandelayo:

• Izinga : ASTM / API / EN / GB / Okunye _______

• Izinga : _______

• OD (mm) : _______

• Ubukhulu bodonga (mm) : _______

• Ubude (m) : _______

• Inani : _______ (izingcezu / amamitha / amathani)

• Ukusetshenziswa : _______

• Ukuqedwa kokugcina : Eliqondile / Eliqoshwe / Elinentambo / Elinomsele

• Ukugqokwa : Mnyama / Uwoyela / I-Galvanized / 3LPE / Akukho

• Ukuhlola : Okujwayelekile / Okwenziwa ngaphandle (SGS/BV/TUV)

Umhlinzeki Wamashubhu E-ERW Welded Carbon Steel A178

Yensiza ye-Boiler & Superheater – I-OD 6~204mm | WT 1~I-18mm

Uhlolojikelele Lomkhiqizo

Yethu I-ASTM A178 / I-ASME SA178 amashubhu ensimbi ekhabhoni ahlanganisiwe (ERW) aklanyelwe ngokukhethekile insiza ye-boiler ne-superheater emazingeni omfutho aphansi kuya kwaphakathi. Akhiqizwa ngokushisela ngogesi (ERW) ngaphandle kokungeza insimbi yokugcwalisa, lawa mashubhu anikeza enye indlela engabizi kakhulu esikhundleni samashubhu e-boiler angenamthungo ezinhlelweni ezingabalulekile.

Imininingwane Eyisisekelo:

• Izinga: I-ASTM A178 / I-ASME SA178

• Ukukhiqiza: I-ERW (Electric Resistance Welded – ayikho insimbi yokugcwalisa)

• Amazinga: A (i-Carbon ephansi), C (i-Carbon ephakathi), D (i-Carbon-Manganese)

• Ububanzi obungaphandle: 6mm – 204mm (Isitoko Esijwayelekile: 19mm – 89mm)

• Ubukhulu Bodonga: 1mm – 18mm

• Ubude: 3m – 12m (Ubude obungokwezifiso buyatholakala)

• Ukwelashwa Ngokushisa: Ijwayelekile ngemuva kokushisela – umthungo opholile wokucindezeleka

✅ Iqinisekiswe nge-ASTM A178 – Ihambisana ne-ASME Boiler & Pressure Vessel Code Isigaba II
✅ Ukwenziwa kwe-ERW – Enye indlela engabizi kakhulu esikhundleni se-seamless
✅ Kwelashwa ngokushisa ngemuva kokushisela – Umthungo wokushisela okhululiwe ingcindezi – izakhiwo ezifanayo
✅ Amazinga amaningi – A (ejwayelekile), C (amandla aphezulu), D (amandla aphezulu kakhulu)
✅ Ihlolwe nge-hydrostatic noma i-NDT ngokugcwele – Ikuqinisekisa ubuqotho
✅ I-EN 10204 Uhlobo 3.1 MTC inikezwe inombolo yokushisa
✅ Ngqo evela efektri – Intengo encintisanayo nokulethwa okusheshayo

Ukukhetha Izinga

💡 I-Grade A ingeyona engonga kakhulu ukusetshenziswa kwe-boiler evamile. I-Grade C ne-D inikeza amandla aphezulu ezinhlelweni ezidinga kakhulu.

Ukwakheka kwamakhemikhali

Izici Zomshini

📌 Izakhiwo zemishini zisebenza kuma-Grades C no-D. I-Grade A ivamise ukusetshenziselwa insiza evamile lapho izidingo eziqondile zamandla zingabalulekile.

Inqubo Yokukhiqiza – I-ERW (Ukushisela Ukumelana Nogesi)

Izinqubo Ezibalulekile Zokwenziwa Kwe-ERW:

1. Ikhoyili lensimbi – Izinto zokuqala ziyi-carbon steel strip yekhwalithi ephezulu

2. Ukubumba – Umucu ugotshwa ube isimo esiyisilinda

3. Ukushisela nge-ERW – Ukushisela ngogesi okumelana namandla aphezulu (akukho nsimbhi yokugcwalisa)

4. Ukwelashwa ngokushisa – Iyajwayeleka ngemva kokushiselwa – ikhulula ingcindezi emgqeni wokushisela

5. Ukulinganisa – Ububanzi bokugcina bufinyelelwa ngokudlula emaroli okulinganisa

6. Ukuhlolwa kwe-NDT okungu-100% – Ukuhlolwa komthungo wokushisela nokuhlolwa kwe-hydrostatic

I-ASTM A178 vs Amashubhu e-Boiler angenamthungo (SA192/SA179)

💡 Khetha i-ASTM A178 kumaphrojekthi anesabelomali esilinganiselwe lapho izidingo zokucindezela zilingene futhi amashubhu angenamthungo engacaciswanga.

Izicelo Ezibalulekile

Kungani Ukhetha Amashubhu Ethu E-ASTM A178 ERW?

Xhumana ukuze Uthole Isilinganiso