Cập nhật: 25-02-2026 02:57:28 | CLASS CERTIFICATES | Lượt xem: 127
ABS approved 6G pipe welders certified under ASME Section IX 2023. LR & Class NK approved marine piping repair services in Vietnam ports. 24/7 support.
Bac Viet Commercial & Shiptech JSC – Professional Marine Pipe Repair Services in Vietnam
Bac Viet Commercial & Shiptech Joint Stock Company (Haiphongshiprepair.com) proudly announces that our welders are officially qualified and approved for 6G pipe welding under ASME Section IX:2023, with acceptance under ABS inspection requirements.
This certification strengthens our capability to perform critical onboard piping repairs for vessels calling at Vietnam ports that require:
ABS approved pipe welders
ASME IX certified welders
6G pipe welding qualification
Class-approved piping repair services
Based in Hai Phong City – Northern Vietnam’s major maritime hub – Bac Viet is a leading marine repair contractor with over 20 years of industry experience.
We provide 24/7 ship repair services across:
Hai Phong Port
Hon gai and Cai lan Port and anchorage
Cam Pha anchorage
Son Duong Port
Vung Tau Port and anchorage
Cai mep Port
Dung Quat Port
All Vietnam ports and anchorages
Our core services include:
Marine piping repair & renewal
Steel structure renewal
Hull and deck repairs
Rudder & steering gear works
Hatch cover repair
Emergency riding crew services
.jpg)
We are proud to confirm that our welder is certified under:
ASME Section IX: 2023 – Boiler & Pressure Vessel Code
Qualification in 6G Position (Fixed Pipe – All Position)
Welding Process: GTAW + FCAW
Position: 6G
Base Material: API 5L Grade B
Joint Type: Groove
Pipe Diameter: 101.625 mm
Thickness: 11 mm
Filler Metal: ER70S-6 (GTAW) / E71T-1C (FCAW)
Shielding Gas: 99.99% Argon / 99.95% CO₂
Visual & Radiographic Test: Accepted
Code Applied: ASME Section IX 2023
ABS Report: Approved
6G qualification is the highest level of pipe welding qualification, allowing welding in all positions including vertical and overhead.
This ensures compliance for:
High-pressure piping repair
Fuel oil lines
Lube oil systems
Steam pipelines
Hydraulic systems
Ballast & seawater pipes

Besides ABS acceptance, Bac Viet welding procedures and welders are also approved by:
Our WPS and WPQ are fully compliant with class requirements for marine structural and piping works.
This allows us to execute piping repair works legally under class survey attendance.
We are proud to have served vessels managed or operated by:
MSC
V.Ships
DANAO Shipping
Transocean Maritime Agencies Monaco
Our reputation is built on technical reliability, fast mobilization, and strict compliance standards.
Bac Viet is an official member of:
IMPA – International Marine Purchasing Association
IMPA membership reflects our commitment to:
International procurement standards
Ethical sourcing
Transparency in marine supply chain
Standardized marine specification compliance

For marine piping systems, improper welding may cause:
Leakage under pressure
Fire hazards
Survey rejection
Vessel detention
Insurance complications
Many ship managers specifically require:
“ABS approved pipe welder”
“ASME IX 6G certified welder”
Without proper certification, repair works may not be accepted.
With Bac Viet, clients receive:
✔ ABS accepted welder qualification
✔ ASME Section IX 2023 compliance
✔ LR & Class NK recognition
✔ Radiographic tested welding
✔ Proper documentation for class submission
✔ 24/7 emergency support
Typical Marine Pipe Repair Works Requiring 6G Certified Welder
Pipeline crack repair
Pipe spool fabrication
High-pressure line renewal
Boiler connection welding
Hydraulic pipe welding
Pump discharge line repair
Engine room pipe modification
If your superintendent requests certified pipe welding in Vietnam, Bac Viet is ready to mobilize immediately.
Contact Bac Viet – ABS Approved Pipe Welding Specialist in Vietnam
If your vessel requires pipes repair/ renewal under Class ABS supervision in Vietnam, please contact us:
Service Areas: Hai Phong | Phu My | Dung Quat | Nghi Son | Cam Pha | Nationwide
1. BACVIET COMMERCIAL AND SHIPTECH JSC - HEAD OFFICE:
+ No. 25/6/302 Van cao street – Haian District- Haiphong City
+ Mobile/ WhatsApp/ WeChat: +84 904 125 520
+ Email: bacviet@haiphongshiprepair.com
2. SHIP REPAIR SERVICES IN HO CHI MINH CITY (Saigon) - HCM CITY BRANCH:
+ No. 66 Dragon Village Phu Long - Phu Huu Ward, Dictrist 9 - Ho Chi Minh City
+ Mobile/ WhatsApp/ WeChat: +84 904 125 520
+ Email: bacviet@haiphongshiprepair.com. Email: Bacviettechco@gmail.com
3. SHIP REPAIR SERVICES IN DA NANG CITY - DA NANG CITY BRANCH:
No. 1109 AZURA Building, 339B Tran Hung Dao Street- Son Tra District - Da Nang City
Mobile/ WhatsApp/ WeChat: +84 904 125 520
Email: quangtrungpr@gmail.com
We are committed to delivering safe, compliant, and efficient marine repair solutions worldwide.
PROJECTS UPDATE




VIDEO